10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2023

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from         to        

Commission File No. 001-33666

Archrock, Inc.

(Exact name of registrant as specified in its charter)

Delaware	74-3204509
(State or other jurisdiction of incorporation or organization) or organization)	(I.R.S. Employer Identification No.)

9807 Katy Freeway, Suite 100, Houston, Texas 77024

(Address of principal executive offices, zip code)

(281) 836-8000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of exchange on which registered
Common stock, $0.01 par value per share	AROC	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

Number of shares of the common stock of the registrant outstanding as of October 26, 2023: 156,057,991 shares.

TABLE OF CONTENTS

	Page
Glossary	3
Forward-Looking Statements	4
Part I. Financial Information
Item 1. Financial Statements (unaudited)	5
Condensed Consolidated Balance Sheets	5
Condensed Consolidated Statements of Operations	6
Condensed Consolidated Statements of Comprehensive Income	7
Condensed Consolidated Statements of Equity	8
Condensed Consolidated Statements of Cash Flows	10
Notes to Unaudited Condensed Consolidated Financial Statements	11
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	23
Item 3. Quantitative and Qualitative Disclosures About Market Risk	31
Item 4. Controls and Procedures	31
Part II. Other Information
Item 1. Legal Proceedings	32
Item 1A. Risk Factors	32
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	32
Item 3. Defaults Upon Senior Securities	32
Item 4. Mine Safety Disclosures	32
Item 5. Other Information	32
Item 6. Exhibits	33
Signatures	34

2

GLOSSARY

The following terms and abbreviations appearing in the text of this report have the meanings indicated below.

2022 Form 10-K	Annual Report on Form 10-K for the year ended December 31, 2022
2023 Share Repurchase Program	Share repurchase program approved by our Board of Directors on April 27, 2023 that allows us to repurchase up to $50.0 million of outstanding common stock
2027 Notes	$500.0 million of 6.875% senior notes due April 2027, issued in March 2019
2028 Notes	$800.0 million of 6.25% senior notes due April 2028, $500.0 million of which was issued in December 2019, $300.0 million of which was issued in December 2020
Archrock, our, we, us	Archrock, Inc., individually and together with its wholly-owned subsidiaries
Amended and Restated Credit Agreement	Amended and Restated Credit Agreement, dated May 16, 2023, which amended and restated that Credit Agreement, dated as of March 30, 2017, which governs the Credit Facility
ASU	Accounting Standards Update
Credit Facility	$750.0 million asset-based revolving credit facility due May 2028, as governed by the Amended and Restated Credit Agreement, dated May 16, 2023, which amended and restated that Credit Agreement, dated as of March 30, 2017
ECOTEC	Ecotec International Holdings, LLC
ESPP	Employee Stock Purchase Plan
Exchange Act	Securities Exchange Act of 1934, as amended
FASB	Financial Accounting Standards Board
Financial Statements	Condensed consolidated financial statements included in Part I Item 1 of this Quarterly Report on Form 10-Q
GAAP	U.S. generally accepted accounting principles
Hilcorp	Hilcorp Energy Company
LIBOR	London Interbank Offered Rate
Old Ocean Reserves	Old Ocean Reserves, LP, formerly JDH Capital Holdings, L.P.
OTC	Over-the-counter, as related to aftermarket services parts and components
SEC	U.S. Securities and Exchange Commission
SG&A	Selling, general and administrative
SOFR	Secured Overnight Financing Rate
U.S.	United States of America
WACC	Weighted average cost of capital

3

FORWARD–LOOKING STATEMENTS

This Quarterly Report on Form 10–Q (this “Form 10-Q”) contains “forward–looking statements” intended to qualify for the safe harbors from liability established by the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact contained in this Form 10–Q are forward–looking statements within the meaning of the Exchange Act, including, without limitation, our business growth strategy and projected costs; future financial position; the sufficiency of available cash flows to fund continuing operations and pay dividends; the expected amount of our capital expenditures; anticipated cost savings; future revenue, gross margin and other financial or operational measures related to our business; the future value of our equipment; and plans and objectives of our management for our future operations. You can identify many of these statements by words such as “believe,” “expect,” “intend,” “project,” “anticipate,” “estimate,” “will continue” or similar words or the negative thereof.

Such forward–looking statements are subject to various risks and uncertainties that could cause actual results to differ materially from those anticipated as of the date of this Form 10–Q. Although we believe that the expectations reflected in these forward–looking statements are based on reasonable assumptions, no assurance can be given that these expectations will prove to be correct. Known material factors that could cause our actual results to differ materially from the expectations reflected in these forward–looking statements include the risk factors described in our 2022 Form 10–K and those set forth from time to time in our filings with the SEC, which are available through our website at www.archrock.com and through the SEC’s website at www.sec.gov.

All forward–looking statements included in this Form 10–Q are based on information available to us on the date of this Form 10–Q. Except as required by law, we undertake no obligation to publicly update or revise any forward–looking statement, whether as a result of new information, future events or otherwise. All subsequent written and oral forward–looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by the cautionary statements contained throughout this Form 10–Q.

4

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

Archrock, Inc.

Condensed Consolidated Balance Sheets

(in thousands, except par value and share amounts)

(unaudited)

	September 30, 2023		December 31, 2022
Assets
Current assets:
Cash and cash equivalents	$	482	$	1,566
Accounts receivable, net of allowance of $988 and $1,674, respectively		129,306		137,544
Inventory		87,942		84,622
Other current assets		7,147		8,228
Total current assets		224,877		231,960
Property, plant and equipment, net		2,302,417		2,199,253
Operating lease right-of-use assets		14,866		16,706
Intangible assets, net		31,681		37,077
Contract costs, net		37,954		34,736
Deferred tax assets		10,984		33,353
Other assets		41,463		37,079
Non-current assets of discontinued operations		7,868		8,586
Total assets	$	2,672,110	$	2,598,750
Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable, trade	$	52,000	$	64,324
Accrued liabilities		101,101		76,915
Deferred revenue		6,274		7,332
Total current liabilities		159,375		148,571
Long-term debt		1,604,554		1,548,334
Operating lease liabilities		12,928		14,861
Deferred tax liabilities		1,418		854
Other liabilities		24,874		17,569
Non-current liabilities of discontinued operations		7,868		7,868
Total liabilities		1,811,017		1,738,057
Commitments and contingencies (Note 7)
Equity:
Preferred stock: $0.01 par value per share, 50,000,000 shares authorized, zero issued		—		—
Common stock: $0.01 par value per share, 250,000,000 shares authorized, 164,959,743 and 163,439,013 shares issued, respectively		1,649		1,634
Additional paid-in capital		3,467,051		3,456,777
Accumulated deficit		(2,508,743)		(2,509,133)
Treasury stock: 8,839,652 and 7,810,548 common shares, at cost, respectively		(98,864)		(88,585)
Total equity		861,093		860,693
Total liabilities and equity	$	2,672,110	$	2,598,750

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

5

Archrock, Inc.

Condensed Consolidated Statements of Operations

(in thousands, except per share amounts)

(unaudited)

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Revenue:
Contract operations	$	207,552	$	170,497	$	596,417	$	500,451
Aftermarket services		45,815		43,171		134,327		126,246
Total revenue		253,367		213,668		730,744		626,697
Cost of sales (excluding depreciation and amortization):
Contract operations		75,273		71,694		230,788		204,550
Aftermarket services		36,688		35,833		105,939		106,181
Total cost of sales (excluding depreciation and amortization)		111,961		107,527		336,727		310,731
Selling, general and administrative		28,558		30,500		83,632		85,964
Depreciation and amortization		42,155		39,953		123,546		124,348
Long-lived and other asset impairment		2,922		4,154		8,383		16,217
Restructuring charges		592		—		1,554		—
Interest expense		28,339		25,177		83,550		74,879
Gain on sale of assets, net		(3,237)		(12,695)		(8,018)		(33,755)
Other expense (income), net		(235)		(585)		1,831		(52)
Income before income taxes		42,312		19,637		99,539		48,365
Provision for income taxes		11,454		4,266		27,543		14,527
Net income	$	30,858	$	15,371	$	71,996	$	33,838
Basic and diluted earnings per common share	$	0.20	$	0.10	$	0.46	$	0.21
Weighted average common shares outstanding:
Basic		154,163		153,550		154,210		153,168
Diluted		154,401		153,687		154,398		153,297

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

6

Archrock, Inc.

Condensed Consolidated Statements of Comprehensive Income

(in thousands)

(unaudited)

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
Net income	$	30,858	$	15,371	$	71,996	$	33,838
Other comprehensive income, net of tax:
Interest rate swap gain, net of reclassifications to earnings		—		—		—		574
Amortization of dedesignated interest rate swap		—		—		—		410
Total other comprehensive income, net of tax		—		—		—		984
Comprehensive income	$	30,858	$	15,371	$	71,996	$	34,822

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

7

Archrock, Inc.

Condensed Consolidated Statements of Equity

(in thousands, except shares and per share amounts)

(unaudited)

								Accumulated
				Additional				Other
	Common Stock			Paid-in		Accumulated		Comprehensive		Treasury Stock
		Amount	Shares	Capital		Deficit		Loss			Amount	Shares	Total
Balance at June 30, 2022	$	1,633	163,385,390	$	3,450,603	$	(2,489,814)	$	—	$	(88,504)	(7,740,919)	$	873,918
Shares withheld related to net settlement of equity awards		—	—		—		—		—		(31)	(3,636)		(31)
Cash dividends ($0.145 per common share)		—	—		—		(22,559)		—		—	—		(22,559)
Shares issued under ESPP		—	27,390		167		—		—		—	—		167
Stock-based compensation, net of forfeitures		—	—		2,998		—		—		—	(56,595)		2,998
Net proceeds from issuance of common stock		—	—		(48)		—		—		—	—		(48)
Net income		—	—		—		15,371		—		—	—		15,371
Balance at September 30, 2022	$	1,633	163,412,780	$	3,453,720	$	(2,497,002)	$	—	$	(88,535)	(7,801,150)	$	869,816
Balance at June 30, 2023	$	1,649	164,940,249	$	3,463,668	$	(2,515,351)	$	—	$	(94,433)	(8,440,673)	$	855,533
Shares repurchased		—	—		—		—		—		(4,422)	(354,012)		(4,422)
Shares withheld related to net settlement of equity awards		—	—		—		—		—		(9)	(717)		(9)
Cash dividends ($0.155 per common share)		—	—		—		(24,250)		—		—	—		(24,250)
Shares issued under ESPP		—	19,494		192		—		—		—	—		192
Stock-based compensation, net of forfeitures		—	—		3,191		—		—		—	(44,250)		3,191
Net income		—	—		—		30,858		—		—	—		30,858
Balance at September 30, 2023	$	1,649	164,959,743	$	3,467,051	$	(2,508,743)	$	—	$	(98,864)	(8,839,652)	$	861,093

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

8

Archrock, Inc.

Condensed Consolidated Statements of Equity

(in thousands, except shares and per share amounts)

(unaudited)

								Accumulated
				Additional				Other
	Common Stock			Paid-in		Accumulated		Comprehensive		Treasury Stock
		Amount	Shares	Capital		Deficit		Loss			Amount	Shares	Total
Balance at December 31, 2021	$	1,615	161,482,852	$	3,440,059	$	(2,463,114)	$	(984)	$	(86,138)	(7,417,401)	$	891,438
Shares withheld related to net settlement of equity awards		—	—		—		—		—		(2,397)	(276,342)		(2,397)
Cash dividends ($0.435 per common share)		—	—		—		(67,726)		—		—	—		(67,726)
Shares issued under ESPP		—	66,236		462		—		—		—	—		462
Stock-based compensation, net of forfeitures		14	1,416,672		9,021		—		—		—	(107,407)		9,035
Net proceeds from issuance of common stock		4	447,020		4,178		—		—		—	—		4,182
Comprehensive income:														—
Net income		—	—		—		33,838		—		—	—		33,838
Other comprehensive income		—	—		—		—		984		—	—		984
Balance at September 30, 2022	$	1,633	163,412,780	$	3,453,720	$	(2,497,002)	$	—	$	(88,535)	(7,801,150)	$	869,816
Balance at December 31, 2022	$	1,634	163,439,013	$	3,456,777	$	(2,509,133)	$	—	$	(88,585)	(7,810,548)	$	860,693
Shares repurchased		—	—		—		—		—		(6,495)	(576,262)		(6,495)
Shares withheld related to net settlement of equity awards		—	—		—		—		—		(3,784)	(384,684)		(3,784)
Cash dividends ($0.455 per common share)		—	—		—		(71,606)		—		—	—		(71,606)
Shares issued under ESPP		1	61,494		573		—		—		—	—		574
Stock-based compensation, net of forfeitures		14	1,459,236		9,701		—		—		—	(68,158)		9,715
Net income		—	—		—		71,996		—		—	—		71,996
Balance at September 30, 2023	$	1,649	164,959,743	$	3,467,051	$	(2,508,743)	$	—	$	(98,864)	(8,839,652)	$	861,093

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

9

Archrock, Inc.

Condensed Consolidated Statements of Cash Flows

(in thousands)

(unaudited)

	Nine Months Ended
	September 30,
	2023		2022
Cash flows from operating activities:
Net income	$	71,996	$	33,838
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		123,546		124,348
Long-lived and other asset impairment		8,383		16,217
Non-cash restructuring charges		211		—
Unrealized change in fair value of investment in unconsolidated affiliate		1,996		—
Inventory write-downs		381		1,040
Amortization of operating lease right-of-use assets		2,488		2,407
Amortization of deferred financing costs		4,599		3,864
Amortization of debt premium		(1,504)		(1,504)
Amortization of capitalized implementation costs		1,841		—
Amortization of dedesignated interest rate swap		—		410
Interest rate swaps		—		631
Stock-based compensation expense		9,715		9,035
Benefit from credit losses		(234)		(28)
Gain on sale of assets, net		(8,018)		(5,535)
Gain on sale of business		—		(28,220)
Deferred income tax provision		26,411		13,624
Amortization of contract costs		15,636		14,211
Deferred revenue recognized in earnings		(11,043)		(15,709)
Changes in operating assets and liabilities:
Accounts receivable, net		(7,315)		(29,130)
Inventory		(1,672)		(8,339)
Other assets		(1,635)		697
Contract costs		(18,854)		(22,486)
Accounts payable and other liabilities		10,745		37,251
Deferred revenue		10,733		19,614
Other		62		96
Net cash provided by operating activities		238,468		166,332
Cash flows from investing activities:
Capital expenditures		(261,977)		(171,032)
Proceeds from sale of business		—		99,785
Proceeds from sale of property, equipment and other assets		54,663		13,348
Proceeds from insurance and other settlements		1,157		3,353
Investments in unconsolidated entities		(2,000)		(12,000)
Net cash used in investing activities		(208,157)		(66,546)
Cash flows from financing activities:
Borrowings of long-term debt		577,725		579,483
Repayments of long-term debt		(522,075)		(611,983)
Payments of debt issuance costs		(5,734)		—
Payments for settlement of interest rate swaps that include financing elements		—		(1,334)
Dividends paid to stockholders		(71,606)		(67,726)
Net proceeds from issuance of common stock		—		4,182
Repurchases of common stock		(6,495)		—
Taxes paid related to net share settlement of equity awards		(3,784)		(2,397)
Proceeds from stock issued under ESPP		574		462
Net cash used in financing activities		(31,395)		(99,313)
Net increase (decrease) in cash and cash equivalents		(1,084)		473
Cash and cash equivalents, beginning of period		1,566		1,569
Cash and cash equivalents, end of period	$	482	$	2,042

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

10

Archrock, Inc.

Notes to Condensed Consolidated Financial Statements

1. Description of Business and Basis of Presentation

We are an energy infrastructure company with a pure play focus on midstream natural gas compression. We are the leading provider of natural gas compression services, in terms of total compression fleet horsepower, to customers in the energy industry throughout the U.S. and a leading supplier of aftermarket services to customers that own compression equipment in the U.S. We operate in two business segments: contract operations and aftermarket services. Our predominant segment, contract operations, primarily includes designing, sourcing, owning, installing, operating, servicing, repairing and maintaining our owned fleet of natural gas compression equipment to provide natural gas compression services to our customers. In our aftermarket services business, we sell parts and components and provide operations, maintenance, overhaul and reconfiguration services to customers who own compression equipment.

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all information and disclosures required by GAAP. Therefore, this information should be read in conjunction with our consolidated financial statements and notes contained in our 2022 Form 10-K. The information furnished herein reflects all adjustments that are, in the opinion of management, of a normal recurring nature and considered necessary for a fair statement of the results of the interim periods reported. All intercompany balances and transactions have been eliminated in consolidation. Operating results for the nine months ended September 30, 2023 are not necessarily indicative of the results that may be expected for the year ending December 31, 2023.

2. Recent Accounting Developments

Accounting Standards Updates Not Yet Implemented

Business Combinations – Joint Venture Formations

In August 2023, the FASB issued ASU 2023-05, to reduce diversity in practice and provide decision-useful information to a joint venture’s investors by requiring that a joint venture apply a new basis of accounting upon formation. By applying a new basis of accounting, a joint venture will recognize and initially measure its assets and liabilities at fair value, with exceptions to fair value measurement that are consistent with the business combinations guidance, on the date of formation.  ASU 2023-05 is effective prospectively for all joint venture formations with a formation date on or after January 1, 2025.  Additionally, a joint venture that was formed before January 1, 2025, may elect to apply the amendments retrospectively if it has sufficient information to do so. Early adoption is permitted in any interim or annual period in which financial statements have not been issued or been made available for issuance, either prospectively or retrospectively. We expect that the adoption of ASU 2023-05 will have no impact on our consolidated financial statements.

3. Inventory

Inventory is comprised of the following:

	September 30,		December 31,
(in thousands)	2023		2022
Parts and supplies	$	72,933	$	70,228
Work in progress		15,009		14,394
Inventory	$	87,942	$	84,622

11

Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

4. Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	September 30,		December 31,
(in thousands)	2023		2022
Compression equipment, facilities and other fleet assets	$	3,300,366	$	3,234,239
Land and buildings		37,947		44,304
Transportation and shop equipment		98,421		93,189
Computer hardware and software		77,483		77,357
Other		6,228		5,754
Property, plant and equipment		3,520,445		3,454,843
Accumulated depreciation		(1,218,028)		(1,255,590)
Property, plant and equipment, net	$	2,302,417	$	2,199,253

5. Investment in Unconsolidated Affiliate

Investments in which we are deemed to exert significant influence, but not control, are accounted for using the equity method of accounting, except in cases where the fair value option is elected. For such investments where we have elected the fair value option, the election is irrevocable and is applied on an investment–by–investment basis at initial recognition.

As of September 30, 2023, our ownership interest in ECOTEC, a company specializing in methane detection, monitoring and management, is 25% and included in other assets in our unaudited condensed consolidated balance sheets. For greater transparency, we have elected the fair value option for this investment.

Changes in the fair value of this investment are recognized in other expense (income), net in our unaudited condensed consolidated statements of operations. See Note 14 (“Fair Value Measurements”) for further details on fair value accounting.

6. Long-Term Debt

Long–term debt is comprised of the following:

	September 30,		December 31,
(in thousands)	2023		2022
Credit Facility	$	306,900	$	251,250
6.25% senior notes due April 2028:
Principal outstanding		800,000		800,000
Unamortized debt premium		9,026		10,530
Unamortized debt issuance costs		(7,498)		(8,744)
		801,528		801,786
6.875% senior notes due April 2027:
Principal outstanding		500,000		500,000
Unamortized debt issuance costs		(3,874)		(4,702)
		496,126		495,298
Long-term debt	$	1,604,554	$	1,548,334

12

Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

As of September 30, 2023, there were $4.5 million letters of credit outstanding under the Credit Facility and the applicable margin on borrowings outstanding was 2.4%. The weighted average annual interest rate on the outstanding balance under the Credit Facility, excluding the effect of interest rate swaps, was 7.9% and 6.9% at September 30, 2023 and December 31, 2022, respectively. We incurred $0.4 million and $0.5 million of commitment fees on the daily unused amount of the Credit Facility during the three months ended September 30, 2023 and 2022, respectively, and $1.3 million and $1.5 million during the nine months ended September 30, 2023 and 2022, respectively.

As of September 30, 2023, we were in compliance with all covenants under our Credit Facility agreement. Additionally, all undrawn capacity on our Credit Facility was available for borrowings as of September 30, 2023.

Amended and Restated Credit Agreement

On May 16, 2023, we amended and restated our Credit Facility to, among other things:

● extend the maturity date of the Credit Facility from November 8, 2024 to May 16, 2028 (or December 2, 2026 or December 3, 2027 if any portion of 2027 Senior Notes and 2028 Senior Notes, respectively, remain outstanding at such date);

● change the referenced rate from LIBOR to SOFR so that borrowings under the Credit Facility bear interest at, based on our election, either a base rate or SOFR, plus an applicable margin;

● increase the portion of the Credit Facility available for the issuance of swing line loans from $50.0 million to $75.0 million.

We incurred $6.0 million in transaction costs related to the Amended and Restated Credit Agreement, which were included in other assets in our condensed consolidated balance sheets and are being amortized over the remaining term of the Credit Facility. In addition, we wrote off $1.0 million of unamortized deferred financing costs as a result of the Amended and Restated Credit Agreement, which was recorded to interest expense in our condensed consolidated statements of operations during the nine months ended September 30, 2023.

7. Commitments and Contingencies

Insurance Matters

Our business can be hazardous, involving unforeseen circumstances such as uncontrollable flows of natural gas or well fluids and fires or explosions. As is customary in our industry, we review our safety equipment and procedures and carry insurance against some, but not all, risks of our business. Our insurance coverage includes property damage, general liability and commercial automobile liability and other coverage we believe is appropriate. We believe that our insurance coverage is customary for the industry and adequate for our business, however, losses and liabilities not covered by insurance would increase our costs.

Additionally, we are substantially self–insured for workers’ compensation and employee group health claims in view of the relatively high per–incident deductibles we absorb under our insurance arrangements for these risks. Losses up to the deductible amounts are estimated and accrued based upon known facts, historical trends and industry averages. We are also self–insured for property damage to our offshore assets.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

Tax Matters

We are subject to a number of state and local taxes that are not income–based. As many of these taxes are subject to audit by the taxing authorities, it is possible that an audit could result in additional taxes due. We accrue for such additional taxes when we determine that it is probable that we have incurred a liability and we can reasonably estimate the amount of the liability. As of September 30, 2023 and December 31, 2022, we had $4.1 million and $3.9 million, respectively, accrued for the outcomes of non–income–based tax audits. We do not expect that the ultimate resolutions of these audits will result in a material variance from the amounts accrued. We do not accrue for unasserted claims for tax audits unless we believe the assertion of a claim is probable, it is probable that it will be determined that the claim is owed and we can reasonably estimate the claim or range of the claim. We believe the likelihood is remote that the impact of potential unasserted claims from non–income–based tax audits could be material to our consolidated financial position, but it is possible that the resolution of future audits could be material to our consolidated results of operations or cash flows.

During the years ended December 31, 2022 and 2021, certain of our sales and use tax audits advanced from the audit review phase to the contested hearing phase. As of September 30, 2023 and December 31, 2022, we had $0.6 million accrued for these audits.

Litigation and Claims

In the ordinary course of business, we are involved in various pending or threatened legal actions. While we are unable to predict the ultimate outcome of these actions, we believe that any ultimate liability arising from any of these actions will not have a material adverse effect on our consolidated financial position, results of operations or cash flows, including our ability to pay dividends. However, because of the inherent uncertainty of litigation and arbitration proceedings, we cannot provide assurance that the resolution of any particular claim or proceeding to which we are a party will not have a material adverse effect on our consolidated financial position, results of operations or cash flows, including our ability to pay dividends.

8. Stockholders’ Equity

2023 Share Repurchase Program

On April 27, 2023, our Board of Directors authorized a share repurchase program that allows us to repurchase up to $50.0 million of outstanding common stock.  Under the 2023 Share Repurchase Program, shares of our common stock may be repurchased periodically, including in the open market, privately negotiated transactions, or otherwise in accordance with applicable federal securities laws, at any time until April 27, 2024. The actual timing, manner, number, and value of shares repurchased under the program will be determined by us at our discretion.

The following table summarizes shares repurchased under the 2023 Share Repurchase Program during the three and nine months ended September 30, 2023:

	Three Months Ended		Nine Months Ended
(dollars and shares in thousands, except per share amounts)	September 30, 2023		September 30, 2023
Total cost of shares repurchased	$	4,422	$	6,495
Average price per share	$	12.49	$	11.27
Total number of shares repurchased		354		576

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

Cash Dividends

The following table summarizes our dividends declared and paid in each of the quarterly periods of 2023 and 2022:

	Dividends per		Dividends Paid
(dollars in thousands, except per share amounts)	Common Share		(in thousands)
2023
Q3	$	0.155	$	24,250
Q2		0.150		23,504
Q1		0.150		23,852
2022
Q4	$	0.145	$	22,589
Q3		0.145		22,559
Q2		0.145		22,494
Q1		0.145		22,673

On October 26, 2023, our Board of Directors declared a quarterly dividend of $0.155 per share of common stock to be paid on November 14, 2023 to stockholders of record at the close of business on November 7, 2023.

9. Revenue from Contracts with Customers

The following table presents our revenue from contracts with customers by segment and disaggregated by revenue source:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Contract operations:
0 ― 1,000 horsepower per unit	$	43,142	$	38,967	$	126,272	$	121,298
1,001 ― 1,500 horsepower per unit		90,016		72,463		259,830		208,161
Over 1,500 horsepower per unit		74,140		58,818		209,526		170,297
Other (1)		254		249		789		695
Total contract operations revenue (2)		207,552		170,497		596,417		500,451
Aftermarket services:
Services		24,860		23,528		70,676		66,666
OTC parts and components sales		20,955		19,643		63,651		59,580
Total aftermarket services revenue (3)		45,815		43,171		134,327		126,246
Total revenue	$	253,367	$	213,668	$	730,744	$	626,697

(1) Primarily relates to fees associated with owned non-compression equipment.

(2) Includes $1.0 million and $0.7 million for the three months ended September 30, 2023 and 2022, respectively, and $2.9 million and $1.8 million for the nine months ended September 30, 2023 and 2022, respectively, related to billable maintenance on owned compressors that was recognized at a point in time. All other contract operations revenue is recognized over time.

(3) Services revenue within aftermarket services is recognized over time. OTC parts and components sales revenue is recognized at a point in time.

See Note 16 (“Segment Information”) for further information on segments.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

Performance Obligations

As of September 30, 2023, we had $431.7 million of remaining performance obligations related to our contract operations segment, which will be recognized through 2028 as follows:

(in thousands)	2023		2024		2025		2026		2027		2028		Total
Remaining performance obligations	$	117,864	$	176,902	$	90,951	$	31,648	$	9,672	$	4,620	$	431,657

We do not disclose the aggregate transaction price for the remaining performance obligations for aftermarket services as there are no contracts with customers with an original contract term that is greater than one year.

Contract Assets and Liabilities

Contract Assets

As September 30, 2023 and December 31, 2022, our receivables from contracts with customers, net of allowance for credit losses, were $124.8 million and $111.9 million, respectively.

Allowance for Credit Losses

Our allowance for credit losses balance changed as follows during the nine months ended September 30, 2023:

(in thousands)
Balance at beginning of period	$	1,674
Benefit from credit losses		(234)
Write-offs charged against allowance		(452)
Balance at end of period	$	988

Contract Liabilities

Freight billings to customers for the transport of compression assets, customer–specified modifications of compression assets and milestone billings on aftermarket services often result in a contract liability. As of September 30, 2023 and December 31, 2022, our contract liabilities were $7.7 million and $8.0 million, respectively.

During the nine months ended September 30, 2023, we deferred revenue of $10.7 million and recognized $11.0 million as revenue. The revenue recognized during the period primarily related to freight billings and milestone billings on aftermarket services.

10. Long-Lived and Other Asset Impairment

We review long–lived assets, including property, plant and equipment and identifiable intangibles that are being amortized, for impairment whenever events or changes in circumstances, including the removal of compressors from our active fleet, indicate that the carrying amount of an asset may not be recoverable.

Compression Fleet

We periodically review the future deployment of our idle compression assets for units that are not of the type, configuration, condition, make or model that are cost efficient to maintain and operate. Based on these reviews, we determine that certain idle compressors should be retired from the active fleet. The retirement of these units from the active fleet triggers a review of these assets for impairment and as a result of our review, we may record an asset impairment to reduce the book value of each unit to its estimated fair value. The fair value of each unit is estimated based on the expected net sale proceeds compared to other fleet units we recently sold, a review of other units recently offered for sale by third parties or the estimated component value of the equipment we plan to use.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

In connection with our review of our idle compression assets, we evaluate for impairment idle units that were culled from our fleet in prior years and are available for sale. Based on that review, we may reduce the expected proceeds from disposition and record additional impairment to reduce the book value of each unit to its estimated fair value.

The following table presents the results of our compression fleet impairment review as recorded in our contract operations segment:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(dollars in thousands)	2023		2022		2023		2022
Idle compressors retired from the active fleet		30		25		75		100
Horsepower of idle compressors retired from the active fleet		16,000		23,000		39,000		80,000
Impairment recorded on idle compressors retired from the active fleet	$	2,922	$	4,149	$	8,383	$	16,205

See Note 14 (“Fair Value Measurements”) for further details on fair value accounting.

11. Restructuring Charges

During the first quarter of 2023, a plan to further streamline our organization and more fully align our teams to improve our customer service and profitability was approved by management. We do not expect to incur additional restructuring charges related to these restructuring activities.

The following table presents the changes to our accrued liability balance related to restructuring charges during the nine months ended September 30, 2023:

(in thousands)	Total
Balance at December 31, 2022	$	—
Charges incurred		1,554
Payments		(1,343)
Balance at September 30, 2023	$	211

The following table presents restructuring charges incurred by segment:

	Contract		Aftermarket
(in thousands)	Operations		Services		Other(1)		Total
Three months ended September 30, 2023
Organizational restructuring	$	—	$	387	$	205	$	592
Total restructuring charges	$	—	$	387	$	205	$	592
Nine months ended September 30, 2023
Organizational restructuring	$	101	$	387	$	1,066	$	1,554
Total restructuring charges	$	101	$	387	$	1,066	$	1,554

(1) Represents expense incurred within our corporate function and not directly attributable to our segments.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

The following table presents restructuring charges incurred by cost type:

	Three Months Ended		Nine Months Ended
(in thousands)	September 30, 2023		September 30, 2023
Organizational restructuring
Severance costs	$	592	$	1,296
Consulting costs		—		258
Total restructuring charges	$	592	$	1,554

12. Income Taxes

Valuation Allowance

The amount of our deferred tax assets considered realizable could be adjusted if projections of future taxable income are reduced or objective negative evidence in the form of a three–year cumulative loss is present or both. Should we no longer have a level of sustained profitability, excluding nonrecurring charges, we will have to rely more on our future projections of taxable income to determine if we have an adequate source of taxable income for the realization of our deferred tax assets, namely net operating loss, interest limitation and tax credit carryforwards. This may result in the need to record a valuation allowance against all or a portion of our deferred tax assets.

Effective Tax Rate

The year-to-date effective tax rate for the nine months ended September 30, 2023 differed significantly from our statutory rate primarily due to state taxes, unrecognized tax benefits and the limitation on executive compensation.

Unrecognized Tax Benefits

As of September 30, 2023, we believe it is reasonably possible that $2.8 million of our unrecognized tax benefits, including penalties, interest and discontinued operations, will be reduced prior to September 30, 2024 due to the settlement of audits or the expiration of statutes of limitations or both. However, due to the uncertain and complex application of the tax regulations, it is possible that the ultimate resolution of these matters may result in liabilities that could materially differ from this estimate.

13. Earnings Per Common Share

Basic earnings per common share is computed using the two–class method, which is an earnings allocation formula that determines net income per share for each class of common stock and participating security according to dividends declared and participation rights in undistributed earnings. Under the two–class method, basic earnings per common share is determined by dividing net income, after deducting amounts allocated to participating securities, by the weighted average number of common shares outstanding for the period. Participating securities include unvested restricted stock and stock–settled restricted stock units that have nonforfeitable rights to receive dividends or dividend equivalents, whether paid or unpaid. During periods of net loss, only distributed earnings (dividends) are allocated to participating securities, as participating securities do not have a contractual obligation to participate in our undistributed losses.

Diluted earnings per common share is computed using the weighted average number of common shares outstanding adjusted for the incremental common stock equivalents attributed to outstanding performance–based restricted stock units and stock to be issued pursuant to our ESPP unless their effect would have been anti–dilutive.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

The following table shows the calculation of net income attributable to common stockholders, which is used in the calculation of basic and diluted earnings per common share, potential shares of common stock that were included in computing diluted earnings per common share and the potential shares of common stock issuable that were excluded from computing diluted earnings per common share as their inclusion would have been anti–dilutive:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Net income	$	30,858	$	15,371	$	71,996	$	33,838
Less: Allocation of earnings to participating securities		(434)		(294)		(1,418)		(1,114)
Net income attributable to common stockholders	$	30,424	$	15,077	$	70,578	$	32,724
Weighted average common shares outstanding used in basic earnings per common share		154,163		153,550		154,210		153,168
Effect of dilutive securities:
Performance-based restricted stock units		235		131		181		125
ESPP shares		3		6		7		4
Weighted average common shares outstanding used in diluted earnings per common share		154,401		153,687		154,398		153,297

14. Fair Value Measurements

Assets and Liabilities Measured at Fair Value on a Recurring Basis

As of September 30, 2023, we own a 25% equity interest in ECOTEC. The fair value is determined using an average of the income approach that includes the use of a discounted cash flow model, and the market approach that includes the financial metrics of comparable public companies under the guideline public company method. The determination of this investment primarily consisted of unobservable inputs, which creates uncertainty in the measurement of fair value as of the reporting date. Significant increases (decreases) in these inputs in isolation would result in a significantly higher (lower) fair value measurement. As of September 30, 2023, the fair value of our investment in ECOTEC was $12.8 million.

This fair value measurement is classified as Level 3. The significant unobservable inputs used in the fair value measurement are the WACC and the revenue multiples. Additional quantitative information related to the significant unobservable inputs are as follows:

	Significant Unobservable Inputs		Range	Median
Valuation technique:
Discounted cash flow	WACC	0% - 17.4%		10.0%
Guideline public company	Revenue multiple	1.6x - 10x		4.0x

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

The reconciliation of changes in the fair value of our investment in ECOTEC is as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)		2023		2022		2023		2022
Balance at beginning of period	$	12,807	$	8,000	$	12,803	$	—
Purchases of equity interests		—		4,000		2,000		12,000
Unrealized loss (1)		—		—		(1,996)		—
Balance at end of period	$	12,807	$	12,000	$	12,807	$	12,000

(1) Included in other expense (income), net in our unaudited condensed consolidated statement of operations.

See Note 5 (“Investment in Unconsolidated Affiliate”) for further details.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

During the nine months ended September 30, 2023, we recorded nonrecurring fair value measurements related to our idle compressors. Our estimate of the compressors’ fair value was primarily based on the expected net sale proceeds compared with other fleet units we recently sold and/or a review of other units recently offered for sale by third parties, or the estimated component value of the equipment we plan to use. We discounted the expected proceeds, net of selling and other carrying costs, using a weighted average disposal period of four years. The fair value of our compressors impaired in 2023 and 2022 was as follows:

(in thousands)	September 30, 2023		December 31, 2022
Impaired compressors	$	1,036	$	1,961

These fair value measurements are classified as Level 3. The significant unobservable inputs used to develop the above fair value measurements were weighted by the relative fair value of the compressors being measured. Additional quantitative information related to our significant unobservable inputs follows:

	Range	Weighted Average (1)
Estimated net sale proceeds:
As of September 30, 2023	$0 - $310 per horsepower	$51 per horsepower
As of December 31, 2022	$0 - $621 per horsepower	$47 per horsepower

(1) Calculated based on an estimated discount for market liquidity of 35% and 51% as of September 30, 2023 and December 31, 2022, respectively.

See Note 10 (“Long-Lived and Other Asset Impairments”) for further details.

Other Financial Instruments

The carrying amounts of our cash, accounts receivable and accounts payable approximate fair value due to the short–term nature of these instruments.

The carrying amount of borrowings outstanding under our Credit Facility approximates fair value due to the variable interest rate. The measurement of the fair value of these outstanding borrowings is a Level 3 measurement.

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

The fair value of our fixed rate debt is estimated using yields observable in active markets, which are Level 2 inputs, and was as follows:

(in thousands)	September 30, 2023		December 31, 2022
Carrying amount of fixed rate debt (1)	$	1,297,654	$	1,297,084
Fair value of fixed rate debt		1,230,000		1,214,000

(1) Carrying amounts are shown net of unamortized premium and deferred financing costs. See Note 6 (“Long-Term Debt”).

15. Related Party Transactions

Old Ocean Reserves, an affiliate of our customer Hilcorp, had the right to designate one director to serve on our Board of Directors as long as Old Ocean Reserves or its successors (together with its affiliates) owned at least 7.5% of our outstanding common stock. This right terminated in September 2023 when Old Ocean Reserves ownership of our outstanding common stock fell below 7.5%. 

Revenue from Hilcorp was $8.9 million and $9.2 million during the three months ended September 30, 2023 and 2022, respectively, and $26.7 million and $27.8 million during the nine months ended September 30, 2023 and 2022, respectively. Accounts receivable, net due from Hilcorp was $3.2 million and $3.0 million as of September 30, 2023 and December 31, 2022, respectively.

16. Segment Information

We manage our business segments primarily based on the type of product or service provided. We have two segments: contract operations and aftermarket services. Our contract operations segment primarily provides natural gas compression services to meet specific customer requirements. Our aftermarket services segment provides a full range of services to support the compression needs of customers, from parts sales and normal maintenance services to full operation of a customer’s owned assets. All of our operations are located in the U.S.

We evaluate the performance of our segments based on gross margin, defined as revenue less cost of sales (excluding depreciation and amortization) for each segment. Segment revenue includes only sales to external customers.

Summarized financial information for our reporting segments is shown below:

	Contract		Aftermarket
(in thousands)	Operations		Services		Total
Three months ended September 30, 2023
Revenue	$	207,552	$	45,815	$	253,367
Gross margin		132,279		9,127		141,406
Three months ended September 30, 2022
Revenue	$	170,497	$	43,171	$	213,668
Gross margin		98,803		7,338		106,141
Nine months ended September 30, 2023
Revenue	$	596,417	$	134,327	$	730,744
Gross margin		365,629		28,388		394,017
Nine months ended September 30, 2022
Revenue	$	500,451	$	126,246	$	626,697
Gross margin		295,901		20,065		315,966

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Archrock, Inc.

Notes to Condensed Consolidated Financial Statements (continued)

The following table reconciles total gross margin to income before income taxes:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Total gross margin	$	141,406	$	106,141	$	394,017	$	315,966
Less:
Selling, general and administrative		28,558		30,500		83,632		85,964
Depreciation and amortization		42,155		39,953		123,546		124,348
Long-lived and other asset impairment		2,922		4,154		8,383		16,217
Restructuring charges		592		—		1,554		—
Interest expense		28,339		25,177		83,550		74,879
Gain on sale of assets, net		(3,237)		(12,695)		(8,018)		(33,755)
Other expense (income), net		(235)		(585)		1,831		(52)
Income before income taxes	$	42,312	$	19,637	$	99,539	$	48,365

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our unaudited Financial Statements and the notes thereto included in this Form 10-Q and in conjunction with our 2022 Form 10-K.

OVERVIEW

We are an energy infrastructure company with a pure–play focus on midstream natural gas compression. We are the leading provider of natural gas compression services, in terms of total compression fleet horsepower, to customers in the energy industry throughout the U.S., and a leading supplier of aftermarket services to customers that own compression equipment in the U.S. We operate in two business segments: contract operations and aftermarket services. Our contract operations services primarily include designing, sourcing, owning, installing, operating, servicing, repairing and maintaining our owned fleet of natural gas compression equipment to provide natural gas compression services to our customers. In our aftermarket services business, we sell parts and components and provide operations, maintenance, overhaul and reconfiguration services to customers who own compression equipment.

Operating Highlights

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(horsepower in thousands)	2023		2022		2023		2022
Total available horsepower (at period end)(1)	3,773		3,747		3,773		3,747
Total operating horsepower (at period end)(2)	3,608		3,353		3,608		3,353
Average operating horsepower	3,593		3,355		3,539		3,304
Horsepower utilization:
Spot (at period end)	96	%	89	%	96	%	89	%
Average	95	%	88	%	94	%	86	%

(1) Defined as idle and operating horsepower. Includes new compressors completed by third party manufacturers that have been delivered to us.

(2) Defined as horsepower that is operating under contract and horsepower that is idle but under contract and generating revenue such as standby revenue.

Non–GAAP Financial Measures

Management uses a variety of financial and operating metrics to analyze our performance. These metrics are significant factors in assessing our operating results and profitability and include the non–GAAP financial measure of gross margin.

We define gross margin as total revenue less cost of sales (excluding depreciation and amortization). Gross margin is included as a supplemental disclosure because it is a primary measure used by our management to evaluate the results of revenue and cost of sales (excluding depreciation and amortization), which are key components of our operations. We believe gross margin is important because it focuses on the current operating performance of our operations and excludes the impact of the prior historical costs of the assets acquired or constructed that are utilized in those operations, the indirect costs associated with our SG&A activities, our financing methods and income taxes. In addition, depreciation and amortization may not accurately reflect the costs required to maintain and replenish the operational usage of our assets and therefore may not portray the costs of current operating activity. As an indicator of our operating performance, gross margin should not be considered an alternative to, or more meaningful than, net income (loss) as determined in accordance with GAAP. Our gross margin may not be comparable to a similarly–titled measure of other entities because other entities may not calculate gross margin in the same manner.

23

Gross margin has certain material limitations associated with its use as compared to net income. These limitations are primarily due to the exclusion of SG&A, depreciation and amortization, impairments, restructuring charges, interest expense, gain on sale of assets, net, other expense (income), net and provision for income taxes. Because we intend to finance a portion of our operations through borrowings, interest expense is a necessary element of our costs and our ability to generate revenue. Additionally, because we use capital assets, depreciation expense is a necessary element of our costs and our ability to generate revenue and SG&A is necessary to support our operations and required corporate activities. To compensate for these limitations, management uses this non–GAAP measure as a supplemental measure to other GAAP results to provide a more complete understanding of our performance.

The following table reconciles net income to gross margin:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Net income	$	30,858	$	15,371	$	71,996	$	33,838
Selling, general and administrative		28,558		30,500		83,632		85,964
Depreciation and amortization		42,155		39,953		123,546		124,348
Long-lived and other asset impairment		2,922		4,154		8,383		16,217
Restructuring charges		592		—		1,554		—
Interest expense		28,339		25,177		83,550		74,879
Gain on sale of assets, net		(3,237)		(12,695)		(8,018)		(33,755)
Other expense (income), net		(235)		(585)		1,831		(52)
Provision for income taxes		11,454		4,266		27,543		14,527
Gross margin	$	141,406	$	106,141	$	394,017	$	315,966

RESULTS OF OPERATIONS

Summary of Results

Revenue was $253.4 million and $213.7 million during the three months ended September 30, 2023 and 2022, respectively, and $730.7 million and $626.7 million during the nine months ended September 30, 2023 and 2022, respectively. The increase in consolidated revenue was primarily due to increased revenue from both our contract operations business and aftermarket services business during the three and nine months ended September 30, 2023. See “Contract Operations” and “Aftermarket Services” below for further details.

Net income was $30.9 million and $15.4 million during the three months ended September 30, 2023 and 2022, respectively. The increase was primarily driven by higher gross margin from both our contract operations business and aftermarket services business and decreases in SG&A and long-lived and other asset impairment expense.  These changes were partially offset by a decrease in the gain on sale of assets and increases in our provision for income taxes, interest expense and depreciation and amortization expense.

Net income was $72.0 million and $33.8 million during the nine months ended September 30, 2023 and 2022, respectively. The increase was primarily driven by higher gross margin from both our contract operations business and aftermarket services business and decreases in long-lived and other asset impairment expense and SG&A.  These changes were partially offset by a decrease in the gain on sale of assets and increases in our provision for income taxes, interest expense, unrealized change in fair value of our investment in an unconsolidated affiliate and restructuring charges.

24

Three Months Ended September 30, 2023 Compared to Three Months Ended September 30, 2022

Contract Operations

	Three Months Ended
	September 30,						Increase
(dollars in thousands)	2023			2022			(Decrease)
Revenue	$	207,552		$	170,497		22	%
Cost of sales (excluding depreciation and amortization)		75,273			71,694		5	%
Gross margin	$	132,279		$	98,803		34	%
Gross margin percentage (1)		64	%		58	%	6	%

(1) Defined as gross margin divided by revenue.

Revenue in our contract operations business increased primarily due to higher rates and an increase in average operating horsepower for contract compression in response to market conditions, partially offset by the impact of strategic dispositions of horsepower in 2022.

Gross margin percentage increased primarily due to an increase in revenue which exceeded the increase in cost of sales. Cost of sales for the three months ended September 30, 2023 includes an increase of $2.4 million for sales tax as a result of a change in tax compliance for sales tax associated with contract operations cost of sales. Prior to 2023, amounts were recognized in SG&A. Further, maintenance and other operating expenses increased, driven by higher pricing throughout our supply chain, as well as increased volumes associated with unit redeployment as customer activity accelerated. Partially offsetting these cost increases was the decrease in expense attributable to the horsepower sold in 2022.

Aftermarket Services

	Three Months Ended
	September 30,						Increase
(dollars in thousands)	2023			2022			(Decrease)
Revenue	$	45,815		$	43,171		6	%
Cost of sales (excluding depreciation and amortization)		36,688			35,833		2	%
Gross margin	$	9,127		$	7,338		24	%
Gross margin percentage		20	%		17	%	3	%

Revenue in our aftermarket services business increased primarily due to higher service activities and parts sales from the continuation of the market recovery which began in the prior year and continues to drive an increase in customer demand.

Gross margin increased in our aftermarket services business as a result of an increase in revenue which exceeded the increases in cost of sales, which was primarily driven by customer demand and improved pricing for parts sales and services activities.

Costs and Expenses

	Three Months Ended
	September 30,
(in thousands)	2023		2022
Selling, general and administrative	$	28,558	$	30,500
Depreciation and amortization		42,155		39,953
Long-lived and other asset impairment		2,922		4,154
Restructuring charges		592		—
Interest expense		28,339		25,177
Gain on sale of assets, net		(3,237)		(12,695)
Other expense (income), net		(235)		(585)

25

Selling, general and administrative. The decrease in SG&A was primarily due to a decrease of $2.2 million for sales tax as a result of a change in tax compliance for sales tax associated with contract operations cost of sales. Beginning in 2023, amounts are recognized in contract operations cost of sales. Further, SG&A for the three months ended September 30, 2023 includes a $0.7 million decrease in professional expense and a $0.4 million decrease in employee compensation expense, partially offset by a $1.9 million increase in long-term performance-based incentive compensation expense.

Depreciation and amortization. The increase in depreciation and amortization expense was primarily due to fixed assets additions and accelerated depreciation associated with certain assets. These increases were partially offset by a decrease in depreciation expense associated with assets reaching the end of their depreciable lives, the impact of compression and other asset sales, and long-lived asset impairments.

Long-lived and other asset impairment. We periodically review the future deployment of our idle compressors for units that are not of the type, configuration, condition, make or model that are cost efficient to maintain and operate. We also evaluate for impairment our idle units that have been culled from our compression fleet in prior years and are available for sale. During the three months ended September 30, 2023 and 2022, we recognized $2.9 million and $4.1 million, respectively, of impairment charges to write down these compressors to their fair value. See Note 10 (“Long-Lived Asset and Other Impairments”) for further details on these impairment charges. The following table presents the results of our compression fleet impairment review, as recorded in our contract operations segment:

	Three Months Ended
	September 30,
(dollars in thousands)	2023		2022
Idle compressors retired from the active fleet		30		25
Horsepower of idle compressors retired from the active fleet		16,000		23,000
Impairment recorded on idle compressors retired from the active fleet	$	2,922	$	4,149

Restructuring charges. Restructuring charges of $0.6 million during the three months ended September 30, 2023 consisted of severance costs related to our restructuring activities. See Note 11 (“Restructuring Charges”) for further details on these restructuring charges.

Interest expense. The increase in interest expense was due to an increase in interest rates and a higher average outstanding balance of long–term debt, partially offset by an increase in capitalized interest.

Gain on sale of assets, net. The decrease in gain on sale of assets was primarily due to gains of $3.2 million on compression asset sales during the three months ended September 30, 2023, compared to gains of $12.7 million on compression asset sales during the three months ended September 30, 2022.

Provision for Income Taxes

The increase in provision for income taxes was primarily due to the tax effect of the increase in book income during the three months ended September 30, 2023 compared with the three months ended September 30, 2022.

	Three Months Ended
	September 30,						Increase
(dollars in thousands)	2023			2022			(Decrease)
Provision for income taxes	$	11,454		$	4,266		168	%
Effective tax rate		27	%		22	%	5	%

26

Nine Months Ended September 30, 2023 Compared to Nine Months Ended September 30, 2022

Contract Operations

	Nine Months Ended
	September 30,						Increase
(dollars in thousands)	2023			2022			(Decrease)
Revenue	$	596,417		$	500,451		19	%
Cost of sales (excluding depreciation and amortization)		230,788			204,550		13	%
Gross margin	$	365,629		$	295,901		24	%
Gross margin percentage (1)		61	%		59	%	2	%

(1) Defined as gross margin divided by revenue.

Revenue in our contract operations business increased primarily due to an increase in average operating horsepower and higher rates for contract compression in response to market conditions, partially offset by the impact of strategic dispositions of horsepower in 2022.

Gross margin percentage increased primarily due to an increase in revenue which exceeded the increase in cost of sales. Maintenance, lube oil and other operating expenses increased, driven by higher pricing throughout our supply chain, as well as increased volumes associated with unit redeployment as customer activity accelerated. Further, cost of sales for the nine months ended September 30, 2023 includes an increase of $6.6 million for sales tax as a result of a change in tax compliance for sales tax associated with contract operations cost of sales. Prior to 2023, amounts were recognized in SG&A. Partially offsetting these cost increases was the decrease in expense attributable to the horsepower sold in 2022.

Aftermarket Services

	Nine Months Ended
	September 30,						Increase
(dollars in thousands)	2023			2022			(Decrease)
Revenue	$	134,327		$	126,246		6	%
Cost of sales (excluding depreciation and amortization)		105,939			106,181		(0)	%
Gross margin	$	28,388		$	20,065		41	%
Gross margin percentage		21	%		16	%	5	%

Revenue in our aftermarket services business increased primarily due to higher parts sales and service activities from the continuation of the market recovery which began in the prior year and continues to drive an increase in customer demand.

Gross margin increased in our aftermarket services business as a result of increased revenue from customer demand and improved pricing for parts sales and service activities and a decrease in cost of sales primarily driven by differences in the scope, timing and type of service activities performed resulting in lower costs associated with service activities.

Costs and Expenses

	Nine Months Ended
	September 30,
(in thousands)	2023		2022
Selling, general and administrative	$	83,632	$	85,964
Depreciation and amortization		123,546		124,348
Long-lived and other asset impairment		8,383		16,217
Restructuring charges		1,554		—
Interest expense		83,550		74,879
Gain on sale of assets, net		(8,018)		(33,755)
Other expense (income), net		1,831		(52)

27

Selling, general and administrative. The decrease in SG&A was primarily due to a decrease of $6.4 million for sales tax as a result of a change in tax compliance for sales tax associated with contract operations cost of sales. Beginning in 2023, amounts are recognized in contract operations cost of sales. Further, SG&A for the nine months ended September 30, 2023 includes a $0.6 million decrease in professional expense and a $0.3 million decrease in allowance for credit losses, partially offset by a $3.3 million increase in long-term performance-based incentive compensation expense, a $1.4 million increase in short-term incentive expense and a $1.2 million increase in software and maintenance expense.

Depreciation and amortization. The decrease in depreciation and amortization expense was primarily due to a decrease in depreciation expense resulting from assets reaching the end of their depreciable lives, the impact of compression and other asset sales, and long-lived asset impairments. These decreases were partially offset by an increase in depreciation expense associated with fixed asset additions and accelerated depreciation associated with certain assets.

Long-lived and other asset impairment. We periodically review the future deployment of our idle compressors for units that are not of the type, configuration, condition, make or model that are cost efficient to maintain and operate. We also evaluate for impairment our idle units that have been culled from our compression fleet in prior years and are available for sale. During the nine months ended September 30, 2023 and 2022, we recognized $8.4 million and $16.2 million, respectively, of impairment charges to write down these compressors to their fair value. See Note 10 (“Long-Lived Asset and Other Impairments”) for further details on these impairment charges. The following table presents the results of our compression fleet impairment review, as recorded in our contract operations segment:

	Nine Months Ended
	September 30,
(dollars in thousands)	2023		2022
Idle compressors retired from the active fleet		75		100
Horsepower of idle compressors retired from the active fleet		39,000		80,000
Impairment recorded on idle compressors retired from the active fleet	$	8,383	$	16,205

Restructuring charges. Restructuring charges of $1.6 million during the nine months ended September 30, 2023 consisted of severance and consulting costs related to our restructuring activities. See Note 11 (“Restructuring Charges”) for further details on these restructuring charges.

Interest expense. The increase in interest expense was due to an increase in interest rates, a higher average outstanding balance of long–term debt and the write-off of $1.0 million of unamortized deferred financing costs as a result of the Amended and Restated Credit Agreement, partially offset by an increase in capitalized interest.

Gain on sale of assets, net. The decrease in gain on sale of assets was primarily due to gains of $7.3 million on compression asset sales during the nine months ended September 30, 2023 compared to gains of $32.5 million on compression asset sales during the nine months ended September 30, 2022.

Other expense (income), net. The increase in other expense (income), net was primarily due to a $2.0 million unrealized change in the fair value of our investment in an unconsolidated affiliate.

Provision for Income Taxes

The increase in provision for income taxes was primarily due to the tax effect of the increase in book income during the nine months ended September 30, 2023 compared with the nine months ended September 30, 2022.

	Nine Months Ended
	September 30,						Increase
(dollars in thousands)	2023			2022			(Decrease)
Provision for income taxes	$	27,543		$	14,527		90	%
Effective tax rate		28	%		30	%	(2)	%

28

LIQUIDITY AND CAPITAL RESOURCES

Overview

Our ability to fund operations, finance capital expenditures and pay dividends depends on the levels of our operating cash flows and access to the capital and credit markets. Our primary sources of liquidity are cash flows generated from our operations and our borrowing availability under our Credit Facility. Our cash flow is affected by numerous factors including prices and demand for our services, oil and natural gas exploration and production spending, conditions in the financial markets and other factors. We have no near-term maturities and believe that our operating cash flows and borrowings under the Credit Facility will be sufficient to meet our future liquidity needs.

We may from time to time seek to retire or purchase our outstanding debt through cash purchases and/or exchanges for equity or debt securities in open market purchases, privately negotiated transactions or otherwise. Such repurchases or exchanges, if any, may be material, will be upon terms and prices as we may determine and will depend on prevailing market conditions, our liquidity requirements, contractual restrictions and other factors.

Cash Requirements

Our contract operations business is capital intensive, requiring significant investment to maintain and upgrade existing operations. Our capital spending is primarily dependent on the demand for our contract operations services and the availability of the type of compression equipment required for us to provide those contract operations services to our customers. Our capital requirements have consisted primarily of, and we anticipate will continue to consist of, the following:

• operating expenses, namely employee compensation and benefits and inventory and lube oil purchases;

• growth capital expenditures;

• maintenance capital expenditures;

• interest on our outstanding debt obligations; and

• dividend payments to our stockholders.

Capital Expenditures

Growth Capital Expenditures. The majority of our growth capital expenditures are related to the acquisition cost of new compressors when our idle equipment cannot be reconfigured to economically fulfill a project’s requirements and the new compressor is expected to generate economic returns that exceed our cost of capital over the compressor’s expected useful life. In addition to newly-acquired compressors, growth capital expenditures include the upgrading of major components on an existing compression package where the current configuration of the compression package is no longer in demand and the compressor is not likely to return to an operating status without the capital expenditures. These expenditures substantially modify the operating parameters of the compression package such that it can be used in applications for which it previously was not suited.

Maintenance Capital Expenditures. Maintenance capital expenditures are related to major overhauls of significant components of a compression package, such as the engine, compressor and cooler, which return the components to a like-new condition, but do not modify the application for which the compression package was designed.

Projected Capital Expenditures. We currently plan to spend approximately $295 million in capital expenditures during 2023, primarily consisting of approximately $200 million for growth capital expenditures and approximately $79 million for maintenance capital expenditures. While market activity continues to be strong, we currently anticipate reducing growth capital expenditures to approximately $160 million in 2024 which reflects the capital discipline needed to support free cash flow generation after dividends.

29

Dividends

On October 26, 2023, our Board of Directors declared a quarterly dividend of $0.155 per share of common stock to be paid on November 14, 2023 to stockholders of record at the close of business on November 7, 2023. Any future determinations to pay cash dividends to our stockholders will be at the discretion of our Board of Directors and will be dependent upon our financial condition, results of operations and credit and loan agreements in effect at that time and other factors deemed relevant by our Board of Directors.

Share Repurchase Program

On April 27, 2023, our Board of Directors authorized a share repurchase program that allows us to repurchase up to $50.0 million of outstanding common stock.  Under the 2023 Share Repurchase Program, shares of our common stock may be repurchased periodically, including in the open market, privately negotiated transactions, or otherwise in accordance with applicable federal securities laws, at any time until April 27, 2024. The actual timing, manner, number, and value of shares repurchased under the program will be determined by us at our discretion.

The following table summarizes shares repurchased under the 2023 Share Repurchase Program during the three and nine months ended September 30, 2023:

	Three Months Ended		Nine Months Ended
(dollars and shares in thousands, except per share amounts)	September 30, 2023		September 30, 2023
Total cost of shares repurchased	$	4,422	$	6,495
Average price per share	$	12.49	$	11.27
Total number of shares repurchased		354		576

Sources of Cash

Revolving Credit Facility

During the nine months ended September 30, 2023 and 2022, our Credit Facility had an average debt balance of $294.5 million and $228.9 million, respectively. The weighted average annual interest rate on the outstanding balance under the Credit Facility, excluding the effect of interest rate swaps, was 7.9% and 6.9% at September 30, 2023 and December 31, 2022, respectively. As of September 30, 2023, there were $4.5 million letters of credit outstanding under the Credit Facility and the applicable margin on borrowings outstanding was 2.4%.

As of September 30, 2023, we were in compliance with all covenants under our Credit Facility. Additionally, all undrawn capacity on our Credit Facility was available for borrowings as of September 30, 2023.

Cash Flows

Our cash flows, as reflected in our unaudited condensed consolidated statements of cash flows, are summarized below:

	Nine Months Ended
	September 30,
(in thousands)	2023		2022
Net cash provided by (used in):
Operating activities	$	238,468	$	166,332
Investing activities		(208,157)		(66,546)
Financing activities		(31,395)		(99,313)
Net (decrease) increase in cash and cash equivalents	$	(1,084)	$	473

Operating Activities

The increase in net cash provided by operating activities was primarily due to increased cash inflows from gross margin and accounts receivable, partially offset by changes in accounts payable and other liabilities and deferred revenue.

30

Investing Activities

The increase in net cash used in investing activities was primarily due to a $90.9 million increase in capital expenditures and a $99.8 million decrease in proceeds from the sale of business, partially offset by a $40.3 million increase in proceeds from sales of property, plant and equipment and a $10.0 million decrease in investments in non-consolidated affiliates.

Financing Activities

The decrease in net cash used in financing activities was primarily due to an $88.2 million increase in net borrowings of long-term debt, partially offset by $6.5 million of common stock purchased under the 2023 Share Repurchase Program, a $5.7 million payment for debt issuance costs related to the Amended and Restated Credit Agreement and a $3.9 million increase in dividends paid to stockholders.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We are exposed to market risks associated with changes in the variable interest rate of our Credit Facility. A 1% increase in the effective interest rate on our Credit Facility’s outstanding balance at September 30, 2023 would have resulted in an annual increase in our interest expense of $3.1 million.

ITEM 4. CONTROLS AND PROCEDURES

This Item 4 includes information concerning the controls and controls evaluation referred to in the certifications of our Chief Executive Officer and Chief Financial Officer required by Rule 13a–14 of the Exchange Act included in this Form 10–Q as Exhibits 31.1 and 31.2.

Management’s Evaluation of Disclosure Controls and Procedures

Disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) are designed to ensure that information required to be disclosed in reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that such information is accumulated and communicated to management to allow timely decisions regarding required disclosures.

As of the end of the period covered by this Quarterly Report on Form 10-Q, our principal executive officer and principal financial officer evaluated the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) of the Exchange Act), which are designed to provide reasonable assurance that we are able to record, process, summarize and report the information required to be disclosed in our reports under the Exchange Act within the time periods specified in the rules and forms of the SEC. Based on the evaluation, as of September 30, 2023 our principal executive officer and principal financial officer concluded that our disclosure controls and procedures were effective to provide reasonable assurance that the information required to be disclosed in reports that we file or submit under the Exchange Act is accumulated and communicated to management, and made known to our principal executive officer and principal financial officer, on a timely basis to ensure that it is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms.

31

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

In the ordinary course of business, we are involved in various pending or threatened legal actions. While we are unable to predict the ultimate outcome of these actions, we believe that any ultimate liability arising from any of these actions will not have a material adverse effect on our consolidated financial position, results of operations or cash flows, including our ability to pay dividends. However, because of the inherent uncertainty of litigation and arbitration proceedings, we cannot provide assurance that the resolution of any particular claim or proceeding to which we are a party will not have a material adverse effect on our consolidated financial position, results of operations or cash flows, including our ability to pay dividends.

ITEM 1A. RISK FACTORS

There have been no material changes or updates to the risk factors previously disclosed in our Form 10–K.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES BY ISSUER AND USE OF PROCEEDS

Sales of Unregistered Securities

None

Purchase of Equity Securities by the Issuer and Affiliated Purchasers

The following table summarizes our share repurchase activity for the three months ended September 30, 2023:

					Approximate Dollar
					Value of Shares
				Total Number of	That May Yet be
		Average		Shares Purchased	Purchased Under
	Total Number	Price		as Part of Publicly	the Publicly
	of Shares	Paid per		Announced Plans	Announced Plans
(dollars in thousands, except per share amounts)	Purchased (1)	Share(2)		or Programs	or Programs
July 1, 2023 — July 31, 2023	—	$	—	—	$	47,927
August 1, 2023 — August 31, 2023	164,089		12.66	163,372		45,858
September 1, 2023 — September 30, 2023	190,640		12.34	190,640		43,505
Total	354,729	$	12.49	354,012

(1) Represents shares of common stock purchased from employees to satisfy tax withholding obligations in connection with the vesting of restricted stock awards and shares repurchased under the 2023 Share Repurchase Program during the period. See Note 8 (“Stockholders’ Equity”) for further details on the 2023 Share Repurchase Program.

(2) Average price paid per share includes costs associated with the repurchase, as applicable.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

Not applicable.

32

ITEM 6. EXHIBITS

The exhibits listed below are filed or furnished as part of this report:

3.1	Composite Certificate of Incorporation of Archrock, Inc., as amended as of November 3, 2015, (incorporated by reference to Exhibit 3.3 to Archrock Inc.’s Annual Report on Form 10–K for the year ended December 31, 2015)
3.2	Fourth Amended and Restated Bylaws of Exterran Holdings, Inc., now Archrock, Inc. (incorporated by reference to Exhibit 3.1 of Archrock Inc.’s Current Report on Form 8–K filed on July 27, 2023)
31.1*	Certification of the Principal Executive Officer pursuant to Section 302 of the Sarbanes–Oxley Act of 2002
31.2*	Certification of the Principal Financial Officer pursuant to Section 302 of the Sarbanes–Oxley Act of 2002
32.1**	Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes–Oxley Act of 2002
32.2**	Certification of the Chief Financial Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes–Oxley Act of 2002
101.1*	Interactive data files (formatted in Inline XBRL) pursuant to Rule 405 of Regulation S–T
104.1*	Cover page interactive data file (formatted in Inline XBRL) pursuant to Rule 406 of Regulation S–T

*      Filed herewith

**    Furnished, not filed

33

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Archrock, Inc.
By:	/s/ Douglas S. Aron
	Douglas S. Aron
	Senior Vice President and Chief Financial Officer
	(Principal Financial Officer)
By:	/s/ Donna A. Henderson
	Donna A. Henderson
	Vice President and Chief Accounting Officer
	(Principal Accounting Officer)
	November 2, 2023

34

EX-31.1

Exhibit 31.1

Certification

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, D. Bradley Childers, certify that:

1. I have reviewed this Quarterly Report on Form 10–Q of Archrock, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a–15(f) and 15d–15(f)) for the registrant and have:

a. designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 2, 2023

By:	/s/ D. Bradley Childers
	Name:  D. Bradley Childers
	Title:    President and Chief Executive Officer
	(Principal Executive Officer)

EX-31.2

Exhibit 31.2

Certification

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Douglas S. Aron, certify that:

1. I have reviewed this Quarterly Report on Form 10–Q of Archrock, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a–15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a–15(f) and 15d–15(f)) for the registrant and have:

a. designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 2, 2023

By:	/s/ Douglas S. Aron
	Name:  Douglas S. Aron
	Title:    Senior Vice President and Chief Financial Officer
	(Principal Financial Officer)

EX-32.1

Exhibit 32.1

Certification of CEO Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report on Form 10–Q of Archrock, Inc. (the “Company”) for the quarter ended March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), D. Bradley Childers, as Chief Executive Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes–Oxley Act of 2002, that, to his knowledge:

1. the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ D. Bradley Childers

Name:  D. Bradley Childers

Title:    President and Chief Executive Officer

Date: November 2, 2023

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

Certification of CFO Pursuant to

18 U.S.C. Section 1350,

as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

In connection with the Quarterly Report on Form 10–Q of Archrock, Inc. (the “Company”) for the quarter ended March 31, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Douglas S. Aron, as Chief Financial Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes–Oxley Act of 2002, that, to his knowledge:

1. the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Douglas S. Aron

Name:   Douglas S. Aron

Title:     Senior Vice President and Chief Financial Officer

Date: November 2, 2023

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

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Cover - shares	9 Months Ended
	Sep. 30, 2023	Oct. 26, 2023
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Commission File Number	001-33666
Entity Registrant Name	Archrock, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	74-3204509
Entity Street Address	9807 Katy Freeway
Entity Suite Number	Suite 100
Entity City	Houston
Entity State	TX
Entity Postal Zip Code	77024
City Area Code	281
Local Phone Number	836-8000
Title of each class	Common stock, $0.01 par value per share
Trading Symbol	AROC
Name of exchange on which registered	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		156,057,991
Entity Central Index Key	0001389050
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Amendment Flag	false

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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 482	$ 1,566
Accounts receivable, net of allowance of $988 and $1,674, respectively	129,306	137,544
Inventory	87,942	84,622
Other current assets	7,147	8,228
Total current assets	224,877	231,960
Property, plant and equipment, net	2,302,417	2,199,253
Operating lease right-of-use assets	14,866	16,706
Intangible assets, net	31,681	37,077
Contract costs, net	37,954	34,736
Deferred tax assets	10,984	33,353
Other assets	41,463	37,079
Non-current assets of discontinued operations	7,868	8,586
Total assets	2,672,110	2,598,750
Current liabilities:
Accounts payable, trade	52,000	64,324
Accrued liabilities	101,101	76,915
Deferred revenue	6,274	7,332
Total current liabilities	159,375	148,571
Long-term debt	1,604,554	1,548,334
Operating lease liabilities	12,928	14,861
Deferred tax liabilities	1,418	854
Other liabilities	24,874	17,569
Non-current liabilities of discontinued operations	7,868	7,868
Total liabilities	1,811,017	1,738,057
Commitments and contingencies (Note 7)
Equity:
Preferred stock: $0.01 par value per share, 50,000,000 shares authorized, zero issued
Common stock: $0.01 par value per share, 250,000,000 shares authorized, 164,959,743 and 163,439,013 shares issued, respectively	1,649	1,634
Additional paid-in capital	3,467,051	3,456,777
Accumulated deficit	(2,508,743)	(2,509,133)
Treasury stock: 8,839,652 and 7,810,548 common shares, at cost, respectively	(98,864)	(88,585)
Total equity	861,093	860,693
Total liabilities and equity	$ 2,672,110	$ 2,598,750

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Condensed Consolidated Balance Sheets
Accounts receivable, allowance	$ 988	$ 1,674
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	50,000,000	50,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	164,959,743	163,439,013
Treasury stock, common shares (in shares)	8,839,652	7,810,548

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Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue	$ 253,367	$ 213,668	$ 730,744	$ 626,697
Total cost of sales (excluding depreciation and amortization)	111,961	107,527	336,727	310,731
Selling, general and administrative	28,558	30,500	83,632	85,964
Depreciation and amortization	42,155	39,953	123,546	124,348
Long-lived and other asset impairment	2,922	4,154	8,383	16,217
Restructuring charges	592		1,554
Interest expense	28,339	25,177	83,550	74,879
Gain on sale of assets, net	(3,237)	(12,695)	(8,018)	(33,755)
Other expense (income), net	(235)	(585)	1,831	(52)
Income before income taxes	42,312	19,637	99,539	48,365
Provision for income taxes	11,454	4,266	27,543	14,527
Net income	$ 30,858	$ 15,371	$ 71,996	$ 33,838
Basic earnings per common share (in dollars per share)	$ 0.20	$ 0.10	$ 0.46	$ 0.21
Diluted earnings per common share(in dollars per share)	$ 0.20	$ 0.10	$ 0.46	$ 0.21
Weighted average common shares outstanding:
Basic (in shares)	154,163	153,550	154,210	153,168
Diluted (in shares)	154,401	153,687	154,398	153,297
Contract operations
Revenue	$ 207,552	$ 170,497	$ 596,417	$ 500,451
Total cost of sales (excluding depreciation and amortization)	75,273	71,694	230,788	204,550
Aftermarket services
Revenue	45,815	43,171	134,327	126,246
Total cost of sales (excluding depreciation and amortization)	$ 36,688	$ 35,833	$ 105,939	$ 106,181

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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 30,858	$ 15,371	$ 71,996	$ 33,838
Other comprehensive income, net of tax:
Interest rate swap gain, net of reclassifications to earnings				574
Amortization of dedesignated interest rate swap				410
Total other comprehensive income, net of tax				984
Comprehensive income	$ 30,858	$ 15,371	$ 71,996	$ 34,822

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Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Treasury Stock, Common	Total
Beginning balance at Dec. 31, 2021	$ 1,615	$ 3,440,059	$ (2,463,114)	$ (984)	$ (86,138)	$ 891,438
Beginning balance (in shares) at Dec. 31, 2021	161,482,852
Treasury stock, common shares, Beginning balance (in shares) at Dec. 31, 2021					7,417,401
Increase (Decrease) in Stockholders' Equity
Shares withheld related to net settlement of equity awards					$ (2,397)	(2,397)
Shares withheld related to net settlement of equity awards (in shares)					276,342
Cash dividends			(67,726)			(67,726)
Shares issued in ESPP		462				462
Shares issued in ESPP (in shares)	66,236
Stock-based compensation, net of forfeitures	$ 14	9,021				9,035
Stock-based compensation, net of forfeitures (in shares)	1,416,672				107,407
Net proceeds from issuance of common stock	$ 4	4,178				4,182
Net proceeds from issuance of common stock (in shares)	447,020
Comprehensive income
Net income			33,838			33,838
Other comprehensive income				$ 984		984
Ending balance at Sep. 30, 2022	$ 1,633	3,453,720	(2,497,002)		$ (88,535)	869,816
Ending balance (in shares) at Sep. 30, 2022	163,412,780
Treasury stock, common shares, Ending balance (in shares) at Sep. 30, 2022					7,801,150
Beginning balance at Jun. 30, 2022	$ 1,633	3,450,603	(2,489,814)		$ (88,504)	873,918
Beginning balance (in shares) at Jun. 30, 2022	163,385,390
Treasury stock, common shares, Beginning balance (in shares) at Jun. 30, 2022					7,740,919
Increase (Decrease) in Stockholders' Equity
Shares withheld related to net settlement of equity awards					$ (31)	(31)
Shares withheld related to net settlement of equity awards (in shares)					3,636
Cash dividends			(22,559)			(22,559)
Shares issued in ESPP		167				167
Shares issued in ESPP (in shares)	27,390
Stock-based compensation, net of forfeitures		2,998				2,998
Stock-based compensation, net of forfeitures (in shares)					56,595
Net proceeds from issuance of common stock		(48)				(48)
Comprehensive income
Net income			15,371			15,371
Ending balance at Sep. 30, 2022	$ 1,633	3,453,720	(2,497,002)		$ (88,535)	869,816
Ending balance (in shares) at Sep. 30, 2022	163,412,780
Treasury stock, common shares, Ending balance (in shares) at Sep. 30, 2022					7,801,150
Beginning balance at Dec. 31, 2022	$ 1,634	3,456,777	(2,509,133)		$ (88,585)	$ 860,693
Beginning balance (in shares) at Dec. 31, 2022	163,439,013
Treasury stock, common shares, Beginning balance (in shares) at Dec. 31, 2022					7,810,548	7,810,548
Increase (Decrease) in Stockholders' Equity
Shares repurchased					$ (6,495)	$ (6,495)
Shares repurchased (in shares)					576,262
Shares withheld related to net settlement of equity awards					$ (3,784)	(3,784)
Shares withheld related to net settlement of equity awards (in shares)					384,684
Cash dividends			(71,606)			(71,606)
Shares issued in ESPP	$ 1	573				574
Shares issued in ESPP (in shares)	61,494
Stock-based compensation, net of forfeitures	$ 14	9,701				9,715
Stock-based compensation, net of forfeitures (in shares)	1,459,236				68,158
Comprehensive income
Net income			71,996			71,996
Ending balance at Sep. 30, 2023	$ 1,649	3,467,051	(2,508,743)		$ (98,864)	$ 861,093
Ending balance (in shares) at Sep. 30, 2023	164,959,743
Treasury stock, common shares, Ending balance (in shares) at Sep. 30, 2023					8,839,652	8,839,652
Beginning balance at Jun. 30, 2023	$ 1,649	3,463,668	(2,515,351)		$ (94,433)	$ 855,533
Beginning balance (in shares) at Jun. 30, 2023	164,940,249
Treasury stock, common shares, Beginning balance (in shares) at Jun. 30, 2023					8,440,673
Increase (Decrease) in Stockholders' Equity
Shares repurchased					$ (4,422)	(4,422)
Shares repurchased (in shares)					354,012
Shares withheld related to net settlement of equity awards					$ (9)	(9)
Shares withheld related to net settlement of equity awards (in shares)					717
Cash dividends			(24,250)			(24,250)
Shares issued in ESPP		192				192
Shares issued in ESPP (in shares)	19,494
Stock-based compensation, net of forfeitures		3,191				3,191
Stock-based compensation, net of forfeitures (in shares)					44,250
Comprehensive income
Net income			30,858			30,858
Ending balance at Sep. 30, 2023	$ 1,649	$ 3,467,051	$ (2,508,743)		$ (98,864)	$ 861,093
Ending balance (in shares) at Sep. 30, 2023	164,959,743
Treasury stock, common shares, Ending balance (in shares) at Sep. 30, 2023					8,839,652	8,839,652

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Condensed Consolidated Statements of Equity (Parenthetical) - $ / shares	3 Months Ended							9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Condensed Consolidated Statements of Equity
Dividend declared per common stock (in dollars per share)	$ 0.155	$ 0.150	$ 0.150	$ 0.145	$ 0.145	$ 0.145	$ 0.145	$ 0.455	$ 0.435

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 71,996	$ 33,838
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	123,546	124,348
Long-lived and other asset impairment	8,383	16,217
Non-cash restructuring charges	211
Unrealized change in fair value of investment in unconsolidated affiliate	1,996
Inventory write-downs	381	1,040
Amortization of operating lease right-of-use assets	2,488	2,407
Amortization of deferred financing costs	4,599	3,864
Amortization of debt premium	(1,504)	(1,504)
Amortization of capitalized implementation costs	1,841
Amortization of dedesignated interest rate swap		410
Interest rate swaps		631
Stock-based compensation expense	9,715	9,035
Benefit from credit losses	(234)	(28)
Gain on sale of assets, net	(8,018)	(5,535)
Gain on sale of business		(28,220)
Deferred income tax provision	26,411	13,624
Amortization of contract costs	15,636	14,211
Deferred revenue recognized in earnings	(11,043)	(15,709)
Changes in operating assets and liabilities:
Accounts receivable, net	(7,315)	(29,130)
Inventory	(1,672)	(8,339)
Other assets	(1,635)	697
Contract costs	(18,854)	(22,486)
Accounts payable and other liabilities	10,745	37,251
Deferred revenue	10,733	19,614
Other	62	96
Net cash provided by operating activities	238,468	166,332
Cash flows from investing activities:
Capital expenditures	(261,977)	(171,032)
Proceeds from sale of business		99,785
Proceeds from sale of property, equipment and other assets	54,663	13,348
Proceeds from insurance and other settlements	1,157	3,353
Investments in unconsolidated entities	(2,000)	(12,000)
Net cash used in investing activities	(208,157)	(66,546)
Cash flows from financing activities:
Borrowings of long-term debt	577,725	579,483
Repayments of long-term debt	(522,075)	(611,983)
Payments of debt issuance costs	(5,734)
Payments for settlement of interest rate swaps that include financing elements		(1,334)
Dividends paid to stockholders	(71,606)	(67,726)
Net proceeds from issuance of common stock		4,182
Repurchases of common stock	(6,495)
Taxes paid related to net share settlement of equity awards	(3,784)	(2,397)
Proceeds from stock issued under ESPP	574	462
Net cash used in financing activities	(31,395)	(99,313)
Net increase (decrease) in cash and cash equivalents	(1,084)	473
Cash and cash equivalents, beginning of period	1,566	1,569
Cash and cash equivalents, end of period	$ 482	$ 2,042

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Description of Business and Basis of Presentation

9 Months Ended

Sep. 30, 2023

Description of Business and Basis of Presentation

Description of Business and Basis of Presentation

1. Description of Business and Basis of Presentation

We are an energy infrastructure company with a pure play focus on midstream natural gas compression. We are the leading provider of natural gas compression services, in terms of total compression fleet horsepower, to customers in the energy industry throughout the U.S. and a leading supplier of aftermarket services to customers that own compression equipment in the U.S. We operate in two business segments: contract operations and aftermarket services. Our predominant segment, contract operations, primarily includes designing, sourcing, owning, installing, operating, servicing, repairing and maintaining our owned fleet of natural gas compression equipment to provide natural gas compression services to our customers. In our aftermarket services business, we sell parts and components and provide operations, maintenance, overhaul and reconfiguration services to customers who own compression equipment.

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all information and disclosures required by GAAP. Therefore, this information should be read in conjunction with our consolidated financial statements and notes contained in our 2022 Form 10-K. The information furnished herein reflects all adjustments that are, in the opinion of management, of a normal recurring nature and considered necessary for a fair statement of the results of the interim periods reported. All intercompany balances and transactions have been eliminated in consolidation. Operating results for the nine months ended September 30, 2023 are not necessarily indicative of the results that may be expected for the year ending December 31, 2023.

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Recent Accounting Developments

9 Months Ended

Sep. 30, 2023

Recent Accounting Developments

Recent Accounting Developments

2. Recent Accounting Developments

Accounting Standards Updates Not Yet Implemented

Business Combinations – Joint Venture Formations

In August 2023, the FASB issued ASU 2023-05, to reduce diversity in practice and provide decision-useful information to a joint venture’s investors by requiring that a joint venture apply a new basis of accounting upon formation. By applying a new basis of accounting, a joint venture will recognize and initially measure its assets and liabilities at fair value, with exceptions to fair value measurement that are consistent with the business combinations guidance, on the date of formation.  ASU 2023-05 is effective prospectively for all joint venture formations with a formation date on or after January 1, 2025.  Additionally, a joint venture that was formed before January 1, 2025, may elect to apply the amendments retrospectively if it has sufficient information to do so. Early adoption is permitted in any interim or annual period in which financial statements have not been issued or been made available for issuance, either prospectively or retrospectively. We expect that the adoption of ASU 2023-05 will have no impact on our consolidated financial statements.

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Inventory

9 Months Ended

Sep. 30, 2023

Inventory

Inventory

3. Inventory

Inventory is comprised of the following:

	September 30,		December 31,
(in thousands)	2023		2022
Parts and supplies	$	72,933	$	70,228
Work in progress		15,009		14,394
Inventory	$	87,942	$	84,622

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Property, Plant and Equipment

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment

Property, Plant and Equipment

4. Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	September 30,		December 31,
(in thousands)	2023		2022
Compression equipment, facilities and other fleet assets	$	3,300,366	$	3,234,239
Land and buildings		37,947		44,304
Transportation and shop equipment		98,421		93,189
Computer hardware and software		77,483		77,357
Other		6,228		5,754
Property, plant and equipment		3,520,445		3,454,843
Accumulated depreciation		(1,218,028)		(1,255,590)
Property, plant and equipment, net	$	2,302,417	$	2,199,253

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Investment in Unconsolidated Affiliate

9 Months Ended

Sep. 30, 2023

Investment in Unconsolidated Affiliate

Investment in Unconsolidated Affiliate

5. Investment in Unconsolidated Affiliate

Investments in which we are deemed to exert significant influence, but not control, are accounted for using the equity method of accounting, except in cases where the fair value option is elected. For such investments where we have elected the fair value option, the election is irrevocable and is applied on an investment–by–investment basis at initial recognition.

As of September 30, 2023, our ownership interest in ECOTEC, a company specializing in methane detection, monitoring and management, is 25% and included in other assets in our unaudited condensed consolidated balance sheets. For greater transparency, we have elected the fair value option for this investment.

Changes in the fair value of this investment are recognized in other expense (income), net in our unaudited condensed consolidated statements of operations. See Note 14 (“Fair Value Measurements”) for further details on fair value accounting.

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Long-Term Debt

9 Months Ended

Sep. 30, 2023

Long-Term Debt

Long-Term Debt

6. Long-Term Debt

Long–term debt is comprised of the following:

	September 30,		December 31,
(in thousands)	2023		2022
Credit Facility	$	306,900	$	251,250
6.25% senior notes due April 2028:
Principal outstanding		800,000		800,000
Unamortized debt premium		9,026		10,530
Unamortized debt issuance costs		(7,498)		(8,744)
		801,528		801,786
6.875% senior notes due April 2027:
Principal outstanding		500,000		500,000
Unamortized debt issuance costs		(3,874)		(4,702)
		496,126		495,298
Long-term debt	$	1,604,554	$	1,548,334

As of September 30, 2023, there were $4.5 million letters of credit outstanding under the Credit Facility and the applicable margin on borrowings outstanding was 2.4%. The weighted average annual interest rate on the outstanding balance under the Credit Facility, excluding the effect of interest rate swaps, was 7.9% and 6.9% at September 30, 2023 and December 31, 2022, respectively. We incurred $0.4 million and $0.5 million of commitment fees on the daily unused amount of the Credit Facility during the three months ended September 30, 2023 and 2022, respectively, and $1.3 million and $1.5 million during the nine months ended September 30, 2023 and 2022, respectively.

As of September 30, 2023, we were in compliance with all covenants under our Credit Facility agreement. Additionally, all undrawn capacity on our Credit Facility was available for borrowings as of September 30, 2023.

Amended and Restated Credit Agreement

On May 16, 2023, we amended and restated our Credit Facility to, among other things:

● extend the maturity date of the Credit Facility from November 8, 2024 to May 16, 2028 (or December 2, 2026 or December 3, 2027 if any portion of 2027 Senior Notes and 2028 Senior Notes, respectively, remain outstanding at such date);

● change the referenced rate from LIBOR to SOFR so that borrowings under the Credit Facility bear interest at, based on our election, either a base rate or SOFR, plus an applicable margin;

● increase the portion of the Credit Facility available for the issuance of swing line loans from $50.0 million to $75.0 million.

We incurred $6.0 million in transaction costs related to the Amended and Restated Credit Agreement, which were included in other assets in our condensed consolidated balance sheets and are being amortized over the remaining term of the Credit Facility. In addition, we wrote off $1.0 million of unamortized deferred financing costs as a result of the Amended and Restated Credit Agreement, which was recorded to interest expense in our condensed consolidated statements of operations during the nine months ended September 30, 2023.

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2023

Commitments and Contingencies

Commitments and Contingencies

7. Commitments and Contingencies

Insurance Matters

Our business can be hazardous, involving unforeseen circumstances such as uncontrollable flows of natural gas or well fluids and fires or explosions. As is customary in our industry, we review our safety equipment and procedures and carry insurance against some, but not all, risks of our business. Our insurance coverage includes property damage, general liability and commercial automobile liability and other coverage we believe is appropriate. We believe that our insurance coverage is customary for the industry and adequate for our business, however, losses and liabilities not covered by insurance would increase our costs.

Additionally, we are substantially self–insured for workers’ compensation and employee group health claims in view of the relatively high per–incident deductibles we absorb under our insurance arrangements for these risks. Losses up to the deductible amounts are estimated and accrued based upon known facts, historical trends and industry averages. We are also self–insured for property damage to our offshore assets.

Tax Matters

We are subject to a number of state and local taxes that are not income–based. As many of these taxes are subject to audit by the taxing authorities, it is possible that an audit could result in additional taxes due. We accrue for such additional taxes when we determine that it is probable that we have incurred a liability and we can reasonably estimate the amount of the liability. As of September 30, 2023 and December 31, 2022, we had $4.1 million and $3.9 million, respectively, accrued for the outcomes of non–income–based tax audits. We do not expect that the ultimate resolutions of these audits will result in a material variance from the amounts accrued. We do not accrue for unasserted claims for tax audits unless we believe the assertion of a claim is probable, it is probable that it will be determined that the claim is owed and we can reasonably estimate the claim or range of the claim. We believe the likelihood is remote that the impact of potential unasserted claims from non–income–based tax audits could be material to our consolidated financial position, but it is possible that the resolution of future audits could be material to our consolidated results of operations or cash flows.

During the years ended December 31, 2022 and 2021, certain of our sales and use tax audits advanced from the audit review phase to the contested hearing phase. As of September 30, 2023 and December 31, 2022, we had $0.6 million accrued for these audits.

Litigation and Claims

In the ordinary course of business, we are involved in various pending or threatened legal actions. While we are unable to predict the ultimate outcome of these actions, we believe that any ultimate liability arising from any of these actions will not have a material adverse effect on our consolidated financial position, results of operations or cash flows, including our ability to pay dividends. However, because of the inherent uncertainty of litigation and arbitration proceedings, we cannot provide assurance that the resolution of any particular claim or proceeding to which we are a party will not have a material adverse effect on our consolidated financial position, results of operations or cash flows, including our ability to pay dividends.

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Stockholders' Equity

9 Months Ended

Sep. 30, 2023

Stockholders' Equity

Stockholders' Equity

8. Stockholders’ Equity

2023 Share Repurchase Program

On April 27, 2023, our Board of Directors authorized a share repurchase program that allows us to repurchase up to $50.0 million of outstanding common stock.  Under the 2023 Share Repurchase Program, shares of our common stock may be repurchased periodically, including in the open market, privately negotiated transactions, or otherwise in accordance with applicable federal securities laws, at any time until April 27, 2024. The actual timing, manner, number, and value of shares repurchased under the program will be determined by us at our discretion.

The following table summarizes shares repurchased under the 2023 Share Repurchase Program during the three and nine months ended September 30, 2023:

	Three Months Ended		Nine Months Ended
(dollars and shares in thousands, except per share amounts)	September 30, 2023		September 30, 2023
Total cost of shares repurchased	$	4,422	$	6,495
Average price per share	$	12.49	$	11.27
Total number of shares repurchased		354		576

Cash Dividends

The following table summarizes our dividends declared and paid in each of the quarterly periods of 2023 and 2022:

	Dividends per		Dividends Paid
(dollars in thousands, except per share amounts)	Common Share		(in thousands)
2023
Q3	$	0.155	$	24,250
Q2		0.150		23,504
Q1		0.150		23,852
2022
Q4	$	0.145	$	22,589
Q3		0.145		22,559
Q2		0.145		22,494
Q1		0.145		22,673

On October 26, 2023, our Board of Directors declared a quarterly dividend of $0.155 per share of common stock to be paid on November 14, 2023 to stockholders of record at the close of business on November 7, 2023.

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Revenue from Contracts with Customers

9 Months Ended

Sep. 30, 2023

Revenue from Contracts with Customers

Revenue from Contracts with Customers

9. Revenue from Contracts with Customers

The following table presents our revenue from contracts with customers by segment and disaggregated by revenue source:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Contract operations:
0 ― 1,000 horsepower per unit	$	43,142	$	38,967	$	126,272	$	121,298
1,001 ― 1,500 horsepower per unit		90,016		72,463		259,830		208,161
Over 1,500 horsepower per unit		74,140		58,818		209,526		170,297
Other (1)		254		249		789		695
Total contract operations revenue (2)		207,552		170,497		596,417		500,451
Aftermarket services:
Services		24,860		23,528		70,676		66,666
OTC parts and components sales		20,955		19,643		63,651		59,580
Total aftermarket services revenue (3)		45,815		43,171		134,327		126,246
Total revenue	$	253,367	$	213,668	$	730,744	$	626,697

(1) Primarily relates to fees associated with owned non-compression equipment.

(2) Includes $1.0 million and $0.7 million for the three months ended September 30, 2023 and 2022, respectively, and $2.9 million and $1.8 million for the nine months ended September 30, 2023 and 2022, respectively, related to billable maintenance on owned compressors that was recognized at a point in time. All other contract operations revenue is recognized over time.

(3) Services revenue within aftermarket services is recognized over time. OTC parts and components sales revenue is recognized at a point in time.

See Note 16 (“Segment Information”) for further information on segments.

Performance Obligations

As of September 30, 2023, we had $431.7 million of remaining performance obligations related to our contract operations segment, which will be recognized through 2028 as follows:

(in thousands)	2023		2024		2025		2026		2027		2028		Total
Remaining performance obligations	$	117,864	$	176,902	$	90,951	$	31,648	$	9,672	$	4,620	$	431,657

We do not disclose the aggregate transaction price for the remaining performance obligations for aftermarket services as there are no contracts with customers with an original contract term that is greater than one year.

Contract Assets and Liabilities

Contract Assets

As September 30, 2023 and December 31, 2022, our receivables from contracts with customers, net of allowance for credit losses, were $124.8 million and $111.9 million, respectively.

Allowance for Credit Losses

Our allowance for credit losses balance changed as follows during the nine months ended September 30, 2023:

(in thousands)
Balance at beginning of period	$	1,674
Benefit from credit losses		(234)
Write-offs charged against allowance		(452)
Balance at end of period	$	988

Contract Liabilities

Freight billings to customers for the transport of compression assets, customer–specified modifications of compression assets and milestone billings on aftermarket services often result in a contract liability. As of September 30, 2023 and December 31, 2022, our contract liabilities were $7.7 million and $8.0 million, respectively.

During the nine months ended September 30, 2023, we deferred revenue of $10.7 million and recognized $11.0 million as revenue. The revenue recognized during the period primarily related to freight billings and milestone billings on aftermarket services.

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Long-Lived and Other Asset Impairment

9 Months Ended

Sep. 30, 2023

Long-Lived and Other Asset Impairment

Long-Lived and Other Asset Impairment

10. Long-Lived and Other Asset Impairment

We review long–lived assets, including property, plant and equipment and identifiable intangibles that are being amortized, for impairment whenever events or changes in circumstances, including the removal of compressors from our active fleet, indicate that the carrying amount of an asset may not be recoverable.

Compression Fleet

We periodically review the future deployment of our idle compression assets for units that are not of the type, configuration, condition, make or model that are cost efficient to maintain and operate. Based on these reviews, we determine that certain idle compressors should be retired from the active fleet. The retirement of these units from the active fleet triggers a review of these assets for impairment and as a result of our review, we may record an asset impairment to reduce the book value of each unit to its estimated fair value. The fair value of each unit is estimated based on the expected net sale proceeds compared to other fleet units we recently sold, a review of other units recently offered for sale by third parties or the estimated component value of the equipment we plan to use.

In connection with our review of our idle compression assets, we evaluate for impairment idle units that were culled from our fleet in prior years and are available for sale. Based on that review, we may reduce the expected proceeds from disposition and record additional impairment to reduce the book value of each unit to its estimated fair value.

The following table presents the results of our compression fleet impairment review as recorded in our contract operations segment:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(dollars in thousands)	2023		2022		2023		2022
Idle compressors retired from the active fleet		30		25		75		100
Horsepower of idle compressors retired from the active fleet		16,000		23,000		39,000		80,000
Impairment recorded on idle compressors retired from the active fleet	$	2,922	$	4,149	$	8,383	$	16,205

See Note 14 (“Fair Value Measurements”) for further details on fair value accounting.

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Restructuring Charges

9 Months Ended

Sep. 30, 2023

Restructuring Charges

Restructuring Charges

11. Restructuring Charges

During the first quarter of 2023, a plan to further streamline our organization and more fully align our teams to improve our customer service and profitability was approved by management. We do not expect to incur additional restructuring charges related to these restructuring activities.

The following table presents the changes to our accrued liability balance related to restructuring charges during the nine months ended September 30, 2023:

(in thousands)	Total
Balance at December 31, 2022	$	—
Charges incurred		1,554
Payments		(1,343)
Balance at September 30, 2023	$	211

The following table presents restructuring charges incurred by segment:

	Contract		Aftermarket
(in thousands)	Operations		Services		Other(1)		Total
Three months ended September 30, 2023
Organizational restructuring	$	—	$	387	$	205	$	592
Total restructuring charges	$	—	$	387	$	205	$	592
Nine months ended September 30, 2023
Organizational restructuring	$	101	$	387	$	1,066	$	1,554
Total restructuring charges	$	101	$	387	$	1,066	$	1,554

(1) Represents expense incurred within our corporate function and not directly attributable to our segments.

The following table presents restructuring charges incurred by cost type:

	Three Months Ended		Nine Months Ended
(in thousands)	September 30, 2023		September 30, 2023
Organizational restructuring
Severance costs	$	592	$	1,296
Consulting costs		—		258
Total restructuring charges	$	592	$	1,554

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Income Taxes

9 Months Ended

Sep. 30, 2023

Income Taxes

Income Taxes

12. Income Taxes

Valuation Allowance

The amount of our deferred tax assets considered realizable could be adjusted if projections of future taxable income are reduced or objective negative evidence in the form of a three–year cumulative loss is present or both. Should we no longer have a level of sustained profitability, excluding nonrecurring charges, we will have to rely more on our future projections of taxable income to determine if we have an adequate source of taxable income for the realization of our deferred tax assets, namely net operating loss, interest limitation and tax credit carryforwards. This may result in the need to record a valuation allowance against all or a portion of our deferred tax assets.

Effective Tax Rate

The year-to-date effective tax rate for the nine months ended September 30, 2023 differed significantly from our statutory rate primarily due to state taxes, unrecognized tax benefits and the limitation on executive compensation.

Unrecognized Tax Benefits

As of September 30, 2023, we believe it is reasonably possible that $2.8 million of our unrecognized tax benefits, including penalties, interest and discontinued operations, will be reduced prior to September 30, 2024 due to the settlement of audits or the expiration of statutes of limitations or both. However, due to the uncertain and complex application of the tax regulations, it is possible that the ultimate resolution of these matters may result in liabilities that could materially differ from this estimate.

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Earnings Per Common Share

9 Months Ended

Sep. 30, 2023

Earnings Per Common Share

Earnings Per Common Share

13. Earnings Per Common Share

Basic earnings per common share is computed using the two–class method, which is an earnings allocation formula that determines net income per share for each class of common stock and participating security according to dividends declared and participation rights in undistributed earnings. Under the two–class method, basic earnings per common share is determined by dividing net income, after deducting amounts allocated to participating securities, by the weighted average number of common shares outstanding for the period. Participating securities include unvested restricted stock and stock–settled restricted stock units that have nonforfeitable rights to receive dividends or dividend equivalents, whether paid or unpaid. During periods of net loss, only distributed earnings (dividends) are allocated to participating securities, as participating securities do not have a contractual obligation to participate in our undistributed losses.

Diluted earnings per common share is computed using the weighted average number of common shares outstanding adjusted for the incremental common stock equivalents attributed to outstanding performance–based restricted stock units and stock to be issued pursuant to our ESPP unless their effect would have been anti–dilutive.

The following table shows the calculation of net income attributable to common stockholders, which is used in the calculation of basic and diluted earnings per common share, potential shares of common stock that were included in computing diluted earnings per common share and the potential shares of common stock issuable that were excluded from computing diluted earnings per common share as their inclusion would have been anti–dilutive:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Net income	$	30,858	$	15,371	$	71,996	$	33,838
Less: Allocation of earnings to participating securities		(434)		(294)		(1,418)		(1,114)
Net income attributable to common stockholders	$	30,424	$	15,077	$	70,578	$	32,724
Weighted average common shares outstanding used in basic earnings per common share		154,163		153,550		154,210		153,168
Effect of dilutive securities:
Performance-based restricted stock units		235		131		181		125
ESPP shares		3		6		7		4
Weighted average common shares outstanding used in diluted earnings per common share		154,401		153,687		154,398		153,297

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Fair Value Measurements

9 Months Ended

Sep. 30, 2023

Fair Value Measurements

Fair Value Measurements

14. Fair Value Measurements

Assets and Liabilities Measured at Fair Value on a Recurring Basis

As of September 30, 2023, we own a 25% equity interest in ECOTEC. The fair value is determined using an average of the income approach that includes the use of a discounted cash flow model, and the market approach that includes the financial metrics of comparable public companies under the guideline public company method. The determination of this investment primarily consisted of unobservable inputs, which creates uncertainty in the measurement of fair value as of the reporting date. Significant increases (decreases) in these inputs in isolation would result in a significantly higher (lower) fair value measurement. As of September 30, 2023, the fair value of our investment in ECOTEC was $12.8 million.

This fair value measurement is classified as Level 3. The significant unobservable inputs used in the fair value measurement are the WACC and the revenue multiples. Additional quantitative information related to the significant unobservable inputs are as follows:

	Significant Unobservable Inputs		Range	Median
Valuation technique:
Discounted cash flow	WACC	0% - 17.4%		10.0%
Guideline public company	Revenue multiple	1.6x - 10x		4.0x

The reconciliation of changes in the fair value of our investment in ECOTEC is as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)		2023		2022		2023		2022
Balance at beginning of period	$	12,807	$	8,000	$	12,803	$	—
Purchases of equity interests		—		4,000		2,000		12,000
Unrealized loss (1)		—		—		(1,996)		—
Balance at end of period	$	12,807	$	12,000	$	12,807	$	12,000

(1) Included in other expense (income), net in our unaudited condensed consolidated statement of operations.

See Note 5 (“Investment in Unconsolidated Affiliate”) for further details.

Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis

During the nine months ended September 30, 2023, we recorded nonrecurring fair value measurements related to our idle compressors. Our estimate of the compressors’ fair value was primarily based on the expected net sale proceeds compared with other fleet units we recently sold and/or a review of other units recently offered for sale by third parties, or the estimated component value of the equipment we plan to use. We discounted the expected proceeds, net of selling and other carrying costs, using a weighted average disposal period of four years. The fair value of our compressors impaired in 2023 and 2022 was as follows:

(in thousands)	September 30, 2023		December 31, 2022
Impaired compressors	$	1,036	$	1,961

These fair value measurements are classified as Level 3. The significant unobservable inputs used to develop the above fair value measurements were weighted by the relative fair value of the compressors being measured. Additional quantitative information related to our significant unobservable inputs follows:

	Range	Weighted Average (1)
Estimated net sale proceeds:
As of September 30, 2023	$0 - $310 per horsepower	$51 per horsepower
As of December 31, 2022	$0 - $621 per horsepower	$47 per horsepower

(1) Calculated based on an estimated discount for market liquidity of 35% and 51% as of September 30, 2023 and December 31, 2022, respectively.

See Note 10 (“Long-Lived and Other Asset Impairments”) for further details.

Other Financial Instruments

The carrying amounts of our cash, accounts receivable and accounts payable approximate fair value due to the short–term nature of these instruments.

The carrying amount of borrowings outstanding under our Credit Facility approximates fair value due to the variable interest rate. The measurement of the fair value of these outstanding borrowings is a Level 3 measurement.

The fair value of our fixed rate debt is estimated using yields observable in active markets, which are Level 2 inputs, and was as follows:

(in thousands)	September 30, 2023		December 31, 2022
Carrying amount of fixed rate debt (1)	$	1,297,654	$	1,297,084
Fair value of fixed rate debt		1,230,000		1,214,000

(1) Carrying amounts are shown net of unamortized premium and deferred financing costs. See Note 6 (“Long-Term Debt”).

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Related Party Transactions

9 Months Ended

Sep. 30, 2023

Related Party Transactions

Related Party Transactions

15. Related Party Transactions

Old Ocean Reserves, an affiliate of our customer Hilcorp, had the right to designate one director to serve on our Board of Directors as long as Old Ocean Reserves or its successors (together with its affiliates) owned at least 7.5% of our outstanding common stock. This right terminated in September 2023 when Old Ocean Reserves ownership of our outstanding common stock fell below 7.5%. 

Revenue from Hilcorp was $8.9 million and $9.2 million during the three months ended September 30, 2023 and 2022, respectively, and $26.7 million and $27.8 million during the nine months ended September 30, 2023 and 2022, respectively. Accounts receivable, net due from Hilcorp was $3.2 million and $3.0 million as of September 30, 2023 and December 31, 2022, respectively.

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Segment Information

9 Months Ended

Sep. 30, 2023

Segment Information

Segment Information

16. Segment Information

We manage our business segments primarily based on the type of product or service provided. We have two segments: contract operations and aftermarket services. Our contract operations segment primarily provides natural gas compression services to meet specific customer requirements. Our aftermarket services segment provides a full range of services to support the compression needs of customers, from parts sales and normal maintenance services to full operation of a customer’s owned assets. All of our operations are located in the U.S.

We evaluate the performance of our segments based on gross margin, defined as revenue less cost of sales (excluding depreciation and amortization) for each segment. Segment revenue includes only sales to external customers.

Summarized financial information for our reporting segments is shown below:

	Contract		Aftermarket
(in thousands)	Operations		Services		Total
Three months ended September 30, 2023
Revenue	$	207,552	$	45,815	$	253,367
Gross margin		132,279		9,127		141,406
Three months ended September 30, 2022
Revenue	$	170,497	$	43,171	$	213,668
Gross margin		98,803		7,338		106,141
Nine months ended September 30, 2023
Revenue	$	596,417	$	134,327	$	730,744
Gross margin		365,629		28,388		394,017
Nine months ended September 30, 2022
Revenue	$	500,451	$	126,246	$	626,697
Gross margin		295,901		20,065		315,966

The following table reconciles total gross margin to income before income taxes:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Total gross margin	$	141,406	$	106,141	$	394,017	$	315,966
Less:
Selling, general and administrative		28,558		30,500		83,632		85,964
Depreciation and amortization		42,155		39,953		123,546		124,348
Long-lived and other asset impairment		2,922		4,154		8,383		16,217
Restructuring charges		592		—		1,554		—
Interest expense		28,339		25,177		83,550		74,879
Gain on sale of assets, net		(3,237)		(12,695)		(8,018)		(33,755)
Other expense (income), net		(235)		(585)		1,831		(52)
Income before income taxes	$	42,312	$	19,637	$	99,539	$	48,365

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Description of Business and Basis of Presentation (Policies)

9 Months Ended

Sep. 30, 2023

Description of Business and Basis of Presentation

Basis of Presentation

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all information and disclosures required by GAAP. Therefore, this information should be read in conjunction with our consolidated financial statements and notes contained in our 2022 Form 10-K. The information furnished herein reflects all adjustments that are, in the opinion of management, of a normal recurring nature and considered necessary for a fair statement of the results of the interim periods reported. All intercompany balances and transactions have been eliminated in consolidation. Operating results for the nine months ended September 30, 2023 are not necessarily indicative of the results that may be expected for the year ending December 31, 2023.

Accounting Standards Updates Not Yet Implemented

Accounting Standards Updates Not Yet Implemented

Business Combinations – Joint Venture Formations

In August 2023, the FASB issued ASU 2023-05, to reduce diversity in practice and provide decision-useful information to a joint venture’s investors by requiring that a joint venture apply a new basis of accounting upon formation. By applying a new basis of accounting, a joint venture will recognize and initially measure its assets and liabilities at fair value, with exceptions to fair value measurement that are consistent with the business combinations guidance, on the date of formation.  ASU 2023-05 is effective prospectively for all joint venture formations with a formation date on or after January 1, 2025.  Additionally, a joint venture that was formed before January 1, 2025, may elect to apply the amendments retrospectively if it has sufficient information to do so. Early adoption is permitted in any interim or annual period in which financial statements have not been issued or been made available for issuance, either prospectively or retrospectively. We expect that the adoption of ASU 2023-05 will have no impact on our consolidated financial statements.

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Inventory (Tables)

9 Months Ended

Sep. 30, 2023

Inventory

Schedule of inventory, net of reserves

	September 30,		December 31,
(in thousands)	2023		2022
Parts and supplies	$	72,933	$	70,228
Work in progress		15,009		14,394
Inventory	$	87,942	$	84,622

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Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment

Schedule of property, plant and equipment, net

	September 30,		December 31,
(in thousands)	2023		2022
Compression equipment, facilities and other fleet assets	$	3,300,366	$	3,234,239
Land and buildings		37,947		44,304
Transportation and shop equipment		98,421		93,189
Computer hardware and software		77,483		77,357
Other		6,228		5,754
Property, plant and equipment		3,520,445		3,454,843
Accumulated depreciation		(1,218,028)		(1,255,590)
Property, plant and equipment, net	$	2,302,417	$	2,199,253

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Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2023

Long-Term Debt

Schedule of long-term debt

	September 30,		December 31,
(in thousands)	2023		2022
Credit Facility	$	306,900	$	251,250
6.25% senior notes due April 2028:
Principal outstanding		800,000		800,000
Unamortized debt premium		9,026		10,530
Unamortized debt issuance costs		(7,498)		(8,744)
		801,528		801,786
6.875% senior notes due April 2027:
Principal outstanding		500,000		500,000
Unamortized debt issuance costs		(3,874)		(4,702)
		496,126		495,298
Long-term debt	$	1,604,554	$	1,548,334

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Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2023

Stockholders' Equity

Summary of shares repurchased

	Three Months Ended		Nine Months Ended
(dollars and shares in thousands, except per share amounts)	September 30, 2023		September 30, 2023
Total cost of shares repurchased	$	4,422	$	6,495
Average price per share	$	12.49	$	11.27
Total number of shares repurchased		354		576

Summary of entity's dividends per common share

	Dividends per		Dividends Paid
(dollars in thousands, except per share amounts)	Common Share		(in thousands)
2023
Q3	$	0.155	$	24,250
Q2		0.150		23,504
Q1		0.150		23,852
2022
Q4	$	0.145	$	22,589
Q3		0.145		22,559
Q2		0.145		22,494
Q1		0.145		22,673

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Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 30, 2023

Revenue from Contracts with Customers

Schedule of disaggregation of revenue

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Contract operations:
0 ― 1,000 horsepower per unit	$	43,142	$	38,967	$	126,272	$	121,298
1,001 ― 1,500 horsepower per unit		90,016		72,463		259,830		208,161
Over 1,500 horsepower per unit		74,140		58,818		209,526		170,297
Other (1)		254		249		789		695
Total contract operations revenue (2)		207,552		170,497		596,417		500,451
Aftermarket services:
Services		24,860		23,528		70,676		66,666
OTC parts and components sales		20,955		19,643		63,651		59,580
Total aftermarket services revenue (3)		45,815		43,171		134,327		126,246
Total revenue	$	253,367	$	213,668	$	730,744	$	626,697

(1) Primarily relates to fees associated with owned non-compression equipment.

(2) Includes $1.0 million and $0.7 million for the three months ended September 30, 2023 and 2022, respectively, and $2.9 million and $1.8 million for the nine months ended September 30, 2023 and 2022, respectively, related to billable maintenance on owned compressors that was recognized at a point in time. All other contract operations revenue is recognized over time.

(3) Services revenue within aftermarket services is recognized over time. OTC parts and components sales revenue is recognized at a point in time.

Schedule of remaining Performance Obligation

(in thousands)	2023		2024		2025		2026		2027		2028		Total
Remaining performance obligations	$	117,864	$	176,902	$	90,951	$	31,648	$	9,672	$	4,620	$	431,657

Summary of changes in allowance for credit losses

(in thousands)
Balance at beginning of period	$	1,674
Benefit from credit losses		(234)
Write-offs charged against allowance		(452)
Balance at end of period	$	988

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Long-Lived and Other Asset Impairment (Tables)

9 Months Ended

Sep. 30, 2023

Long-Lived and Other Asset Impairment

Schedule of impairment of long-lived assets

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(dollars in thousands)	2023		2022		2023		2022
Idle compressors retired from the active fleet		30		25		75		100
Horsepower of idle compressors retired from the active fleet		16,000		23,000		39,000		80,000
Impairment recorded on idle compressors retired from the active fleet	$	2,922	$	4,149	$	8,383	$	16,205

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Restructuring Charges (Tables)

9 Months Ended

Sep. 30, 2023

Restructuring Charges

Schedule of changes to accrued liability balance related to restructuring charges

(in thousands)	Total
Balance at December 31, 2022	$	—
Charges incurred		1,554
Payments		(1,343)
Balance at September 30, 2023	$	211

Schedule of restructuring charges by segment

	Contract		Aftermarket
(in thousands)	Operations		Services		Other(1)		Total
Three months ended September 30, 2023
Organizational restructuring	$	—	$	387	$	205	$	592
Total restructuring charges	$	—	$	387	$	205	$	592
Nine months ended September 30, 2023
Organizational restructuring	$	101	$	387	$	1,066	$	1,554
Total restructuring charges	$	101	$	387	$	1,066	$	1,554

(1) Represents expense incurred within our corporate function and not directly attributable to our segments.

Schedule of restructuring charges by type

	Three Months Ended		Nine Months Ended
(in thousands)	September 30, 2023		September 30, 2023
Organizational restructuring
Severance costs	$	592	$	1,296
Consulting costs		—		258
Total restructuring charges	$	592	$	1,554

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Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Common Share

Schedule calculation of basic and diluted net income (loss) per common share

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Net income	$	30,858	$	15,371	$	71,996	$	33,838
Less: Allocation of earnings to participating securities		(434)		(294)		(1,418)		(1,114)
Net income attributable to common stockholders	$	30,424	$	15,077	$	70,578	$	32,724
Weighted average common shares outstanding used in basic earnings per common share		154,163		153,550		154,210		153,168
Effect of dilutive securities:
Performance-based restricted stock units		235		131		181		125
ESPP shares		3		6		7		4
Weighted average common shares outstanding used in diluted earnings per common share		154,401		153,687		154,398		153,297

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2023

Fair value

Schedule of carrying value and estimated fair value of debt instruments

(in thousands)	September 30, 2023		December 31, 2022
Carrying amount of fixed rate debt (1)	$	1,297,654	$	1,297,084
Fair value of fixed rate debt		1,230,000		1,214,000

(1) Carrying amounts are shown net of unamortized premium and deferred financing costs. See Note 6 (“Long-Term Debt”).

Compressors

Fair value

Schedule of significant unobservable inputs

	Range	Weighted Average (1)
Estimated net sale proceeds:
As of September 30, 2023	$0 - $310 per horsepower	$51 per horsepower
As of December 31, 2022	$0 - $621 per horsepower	$47 per horsepower

(1) Calculated based on an estimated discount for market liquidity of 35% and 51% as of September 30, 2023 and December 31, 2022, respectively.

Schedule of non-recurring fair value assets

(in thousands)	September 30, 2023		December 31, 2022
Impaired compressors	$	1,036	$	1,961

ECOTEC | Equity investment

Fair value

Schedule of significant unobservable inputs

	Significant Unobservable Inputs		Range	Median
Valuation technique:
Discounted cash flow	WACC	0% - 17.4%		10.0%
Guideline public company	Revenue multiple	1.6x - 10x		4.0x

Schedule of changes in assets measured at fair value on a recurring basis

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)		2023		2022		2023		2022
Balance at beginning of period	$	12,807	$	8,000	$	12,803	$	—
Purchases of equity interests		—		4,000		2,000		12,000
Unrealized loss (1)		—		—		(1,996)		—
Balance at end of period	$	12,807	$	12,000	$	12,807	$	12,000

(1) Included in other expense (income), net in our unaudited condensed consolidated statement of operations.

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2023

Segment Information

Summary of revenue and other financial information by reportable segment

	Contract		Aftermarket
(in thousands)	Operations		Services		Total
Three months ended September 30, 2023
Revenue	$	207,552	$	45,815	$	253,367
Gross margin		132,279		9,127		141,406
Three months ended September 30, 2022
Revenue	$	170,497	$	43,171	$	213,668
Gross margin		98,803		7,338		106,141
Nine months ended September 30, 2023
Revenue	$	596,417	$	134,327	$	730,744
Gross margin		365,629		28,388		394,017
Nine months ended September 30, 2022
Revenue	$	500,451	$	126,246	$	626,697
Gross margin		295,901		20,065		315,966

Reconciliation of total gross margin to income before taxes

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2023		2022		2023		2022
Total gross margin	$	141,406	$	106,141	$	394,017	$	315,966
Less:
Selling, general and administrative		28,558		30,500		83,632		85,964
Depreciation and amortization		42,155		39,953		123,546		124,348
Long-lived and other asset impairment		2,922		4,154		8,383		16,217
Restructuring charges		592		—		1,554		—
Interest expense		28,339		25,177		83,550		74,879
Gain on sale of assets, net		(3,237)		(12,695)		(8,018)		(33,755)
Other expense (income), net		(235)		(585)		1,831		(52)
Income before income taxes	$	42,312	$	19,637	$	99,539	$	48,365

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Description of Business and Basis of Presentation (Details)	9 Months Ended
	Sep. 30, 2023 segment
Description of Business and Basis of Presentation
Number of reportable segments	2

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Inventory (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Composition of Inventory net of reserves
Parts and supplies	$ 72,933	$ 70,228
Work in progress	15,009	14,394
Inventory	$ 87,942	$ 84,622

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Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment
Property, plant and equipment	$ 3,520,445	$ 3,454,843
Accumulated depreciation	(1,218,028)	(1,255,590)
Property, plant and equipment, net	2,302,417	2,199,253
Compression equipment, facilities and other fleet assets
Property, Plant and Equipment
Property, plant and equipment	3,300,366	3,234,239
Land and buildings
Property, Plant and Equipment
Property, plant and equipment	37,947	44,304
Transportation and shop equipment
Property, Plant and Equipment
Property, plant and equipment	98,421	93,189
Computer hardware and software
Property, Plant and Equipment
Property, plant and equipment	77,483	77,357
Other
Property, Plant and Equipment
Property, plant and equipment	$ 6,228	$ 5,754

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Investment in Unconsolidated Affiliate (Details)	Sep. 30, 2023
ECOTEC
Investments
Ownership interest (as a percent)	25.00%

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Long-Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Instruments
Long-term debt	$ 1,604,554	$ 1,548,334
Credit Facility
Debt Instruments
Long-term debt	306,900	251,250
6.25% senior notes due April 2028
Debt Instruments
Principal outstanding	800,000	800,000
Unamortized debt premium	9,026	10,530
Unamortized debt issuance costs	(7,498)	(8,744)
Long-term debt	$ 801,528	$ 801,786
Interest rate (as a percent)	6.25%	6.25%
6.875% senior notes due April 2027
Debt Instruments
Principal outstanding	$ 500,000	$ 500,000
Unamortized debt issuance costs	(3,874)	(4,702)
Long-term debt	$ 496,126	$ 495,298
Interest rate (as a percent)	6.875%	6.875%

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Long-Term Debt - Credit Facility (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	May 16, 2023	Mar. 31, 2023	Dec. 31, 2022
Credit Facility
Line of Credit Facility
Letter of credit outstanding	$ 4.5		$ 4.5
Debt instrument, variable rate (percentage)			2.40%
Debt instrument weighted average interest rate (percent)	7.90%		7.90%				6.90%
Commitment fee amount	$ 0.4	$ 0.5	$ 1.3	$ 1.5
Debt issuance cost written off			$ 1.0
Swing Line Loans, Credit Facility
Line of Credit Facility
Maximum borrowing capacity					$ 75.0	$ 50.0
Credit Facility, Amendment 4
Line of Credit Facility
Transaction costs					$ 6.0

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Commitments and Contingencies- Tax Matters - Loss contingencies (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Non-income based tax audits
Loss Contingencies
Accrued liability	$ 4.1	$ 3.9
Non-income based tax audits in contested hearing phase
Loss Contingencies
Accrued liability	$ 0.6	$ 0.6

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Stockholders' Equity - 2023 Share Repurchase Program (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Apr. 27, 2023
Treasury Stock
Total cost of shares repurchased (in dollars)	$ 4,422	$ 6,495
2023 Share Repurchase Program
Treasury Stock
Shares authorized to be repurchased (in dollars)			$ 50,000
Total cost of shares repurchased (in dollars)	$ 4,422	$ 6,495
Average price per share (in dollars per share)	$ 12.49	$ 11.27
Total number of shares repurchased (in shares)	354	576

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Stockholders' Equity - Cash Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended							9 Months Ended
	Nov. 14, 2023	Oct. 26, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Distributions
Declared Dividends per Common Share (in dollars per share)			$ 0.155	$ 0.150	$ 0.150	$ 0.145	$ 0.145	$ 0.145	$ 0.145	$ 0.455	$ 0.435
Dividends Paid (in dollars)			$ 24,250	$ 23,504	$ 23,852	$ 22,589	$ 22,559	$ 22,494	$ 22,673	$ 71,606	$ 67,726
Subsequent Event
Distributions
Declared Dividends per Common Share (in dollars per share)		$ 0.155
Subsequent Event | Forecasted
Distributions
Dividends Paid (in dollars per share)	$ 0.155

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Revenue from Contracts with Customers - Disaggregate Revenue (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) hp	Sep. 30, 2022 USD ($) hp	Sep. 30, 2023 USD ($) hp	Sep. 30, 2022 USD ($) hp
Disaggregation of Revenue
Revenue	$ 253,367	$ 213,668	$ 730,744	$ 626,697
Contract operations
Disaggregation of Revenue
Revenue	207,552	170,497	596,417	500,451
Contract operations | Transferred at Point in Time
Disaggregation of Revenue
Revenue	1,000	700	2,900	1,800
Contract operations | 0 - 1,000 horsepower per unit
Disaggregation of Revenue
Revenue	$ 43,142	$ 38,967	$ 126,272	$ 121,298
Contract operations | 0 - 1,000 horsepower per unit | Minimum
Disaggregation of Revenue
Compressor unit horsepower (horsepower) | hp	0	0	0	0
Contract operations | 0 - 1,000 horsepower per unit | Maximum
Disaggregation of Revenue
Compressor unit horsepower (horsepower) | hp	1,000	1,000	1,000	1,000
Contract operations | 1,001 - 1,500 horsepower per unit
Disaggregation of Revenue
Revenue	$ 90,016	$ 72,463	$ 259,830	$ 208,161
Contract operations | 1,001 - 1,500 horsepower per unit | Minimum
Disaggregation of Revenue
Compressor unit horsepower (horsepower) | hp	1,001	1,001	1,001	1,001
Contract operations | 1,001 - 1,500 horsepower per unit | Maximum
Disaggregation of Revenue
Compressor unit horsepower (horsepower) | hp	1,500	1,500	1,500	1,500
Contract operations | Over 1,500 horsepower per unit
Disaggregation of Revenue
Revenue	$ 74,140	$ 58,818	$ 209,526	$ 170,297
Contract operations | Over 1,500 horsepower per unit | Minimum
Disaggregation of Revenue
Compressor unit horsepower (horsepower) | hp	1,500	1,500	1,500	1,500
Contract operations | Other
Disaggregation of Revenue
Revenue	$ 254	$ 249	$ 789	$ 695
Aftermarket services
Disaggregation of Revenue
Revenue	45,815	43,171	134,327	126,246
Aftermarket services | Service
Disaggregation of Revenue
Revenue	24,860	23,528	70,676	66,666
Aftermarket services | OTC parts and components sales
Disaggregation of Revenue
Revenue	$ 20,955	$ 19,643	$ 63,651	$ 59,580

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Revenue from Contracts with Customers - Performance Obligations (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Remaining performance obligations	$ 431,657
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Remaining performance obligations	$ 117,864
Performance obligations expected to be satisfied, expected timing	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Remaining performance obligations	$ 176,902
Performance obligations expected to be satisfied, expected timing	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Remaining performance obligations	$ 90,951
Performance obligations expected to be satisfied, expected timing	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Remaining performance obligations	$ 31,648
Performance obligations expected to be satisfied, expected timing	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Remaining performance obligations	$ 9,672
Performance obligations expected to be satisfied, expected timing	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2028-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
Remaining performance obligations	$ 4,620
Performance obligations expected to be satisfied, expected timing	1 year

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Revenue from Contracts with Customers - Contract Assets (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Revenue from Contracts with Customers
Accounts receivable, net of allowance - Customer related	$ 124.8	$ 111.9

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Revenue from Contracts with Customers - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Changes in the allowance for credit losses balance
Balance at beginning of period	$ 1,674
Benefit from credit losses	(234)	$ (28)
Write-offs charged against the allowance	(452)
Balance at end of period	$ 988

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Revenue from Contracts with Customers - Contract Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Revenue from Contracts with Customers
Contract liability	$ 7,700		$ 8,000
Deferred revenue	10,733	$ 19,614
Deferred revenue recognized in earnings	$ 11,043	$ 15,709

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Long-Lived and Other Asset Impairment (Details) - Idle Compressor Units hp in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) CompressorUnit hp	Sep. 30, 2022 USD ($) CompressorUnit hp	Sep. 30, 2023 USD ($) CompressorUnit hp	Sep. 30, 2022 USD ($) CompressorUnit hp
Impaired Long-Lived Assets Held and Used
Idle compressors retired from the active fleet | CompressorUnit	30	25	75	100
Horsepower of idle compressors retired from the active fleet | hp	16	23	39	80
Impairment recorded on idle compressors retired from the active fleet | $	$ 2,922	$ 4,149	$ 8,383	$ 16,205
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income	Long-lived and other asset impairment	Long-lived and other asset impairment	Long-lived and other asset impairment	Long-lived and other asset impairment

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Restructuring Charges - Changes to accrued liability balance (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)
Changes to accrued liability balance related to restructuring
Restructuring charges	$ 592	$ 1,554
Payments		(1,343)
Balance at end of period	211	211
2023 Restructuring Plan
Restructuring charges
Expected additional charges	$ 0	$ 0

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Restructuring Charges - By segment (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Restructuring charges
Restructuring charges	$ 592	$ 1,554
Organizational Restructuring
Restructuring charges
Restructuring charges	592	1,554
Corporate
Restructuring charges
Restructuring charges	205	1,066
Corporate | Organizational Restructuring
Restructuring charges
Restructuring charges	205	1,066
Contract operations | Operating
Restructuring charges
Restructuring charges		101
Contract operations | Operating | Organizational Restructuring
Restructuring charges
Restructuring charges		101
Aftermarket services | Operating
Restructuring charges
Restructuring charges	387	387
Aftermarket services | Operating | Organizational Restructuring
Restructuring charges
Restructuring charges	$ 387	$ 387

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Restructuring Charges - By type (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Restructuring charges
Restructuring charges	$ 592	$ 1,554
Organizational Restructuring
Restructuring charges
Restructuring charges	592	1,554
Severance costs | Organizational Restructuring
Restructuring charges
Restructuring charges	$ 592	1,296
Consulting costs | Organizational Restructuring
Restructuring charges
Restructuring charges		$ 258

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Income Taxes (Details) $ in Millions	Sep. 30, 2023 USD ($)
Income Taxes
Potential decrease in unrecognized tax benefit in next twelve months	$ 2.8

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Earnings Per Common Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Common Share
Net income	$ 30,858	$ 15,371	$ 71,996	$ 33,838
Less: Allocation of earnings to participating securities	(434)	(294)	(1,418)	(1,114)
Net income attributable to common stockholders, basic	30,424	15,077	70,578	32,724
Net income attributable to common stockholders, diluted	$ 30,424	$ 15,077	$ 70,578	$ 32,724
Weighted average common shares outstanding used in basic earnings per common share	154,163	153,550	154,210	153,168
Effect of dilutive securities:
Performance-based restricted stock units (in shares)	235	131	181	125
ESPP shares (in shares)	3	6	7	4
Weighted average common shares outstanding used in diluted earnings per common share (in shares)	154,401	153,687	154,398	153,297

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Fair Value Measurements - FV on Recurring Basis - Investment (Details) - ECOTEC $ in Millions	Sep. 30, 2023 USD ($)
Fair value measurement of assets and liabilities
Ownership interest (as a percent)	25.00%
Investment	$ 12.8

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Fair Value Measurements - Investment unobservable inputs (Details) - ECOTEC - Equity investment - Level 3	Sep. 30, 2023
Discounted cash flow | WACC | Minimum
Fair value measurement of assets and liabilities
Equity Securities, FV-NI, Measurement Input	0
Discounted cash flow | WACC | Maximum
Fair value measurement of assets and liabilities
Equity Securities, FV-NI, Measurement Input	0.174
Discounted cash flow | WACC | Median
Fair value measurement of assets and liabilities
Equity Securities, FV-NI, Measurement Input	0.100
Guideline public company | Revenue multiple | Minimum
Fair value measurement of assets and liabilities
Equity Securities, FV-NI, Measurement Input	1.6
Guideline public company | Revenue multiple | Maximum
Fair value measurement of assets and liabilities
Equity Securities, FV-NI, Measurement Input	10
Guideline public company | Revenue multiple | Median
Fair value measurement of assets and liabilities
Equity Securities, FV-NI, Measurement Input	4.0

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Fair Value Measurements - Reconciliation of changes in FV of investment (Details) - ECOTEC - Equity investment - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reconciliation of changes in fair value
Balance, beginning of period	$ 12,807	$ 8,000	$ 12,803
Purchases of equity interests		4,000	2,000	$ 12,000
Unrealized loss			(1,996)
Balance, end of period	$ 12,807	$ 12,000	$ 12,807	$ 12,000

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Fair Value Measurements - Measured on Nonrecurring Basis (Details) - Level 3 - Impaired Long-Lived Assets - Compressors $ in Thousands	Sep. 30, 2023 USD ($) Y $ / hp	Dec. 31, 2022 USD ($) $ / hp
Measurement Input, Weighted average disposal period
Fair value
Measurement input | Y	4
Measurement Input, Sale proceeds | Minimum
Fair value
Measurement input	0	0
Measurement Input, Sale proceeds | Maximum
Fair value
Measurement input	310	621
Measurement Input, Sale proceeds | Weighted average
Fair value
Measurement input	51	47
Measurement Input, Discount for market liquidity
Fair value
Measurement input	0.35	0.51
Nonrecurring Basis
Fair value
Impaired assets | $	$ 1,036	$ 1,961

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Fair Value Measurements - Other Financial Instruments (Details) - Fixed Rate Debt - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt, fair value	$ 1,297,654	$ 1,297,084
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Long-term debt, fair value	$ 1,230,000	$ 1,214,000
Long-Term Debt, Fair Value by Fair Value Hierarchy Level	us-gaap:FairValueInputsLevel2Member	us-gaap:FairValueInputsLevel2Member

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Related Party Transactions (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) director	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Related Party Transaction
Revenue	$ 253,367	$ 213,668	$ 730,744	$ 626,697
Accounts receivable, net of allowance - Customer related	124,800		124,800		$ 111,900
Accounts receivable, net of allowance of $1,487 and $2,152, respectively	129,306		129,306		137,544
Affiliated Entity
Related Party Transaction
Revenue	8,900	$ 9,200	26,700	$ 27,800
Accounts receivable, net of allowance - Customer related	$ 3,200		$ 3,200		$ 3,000
Revenue, Related Party, Name [Extensible Enumeration]	aroc:HilcorpAndAffiliatesMember	aroc:HilcorpAndAffiliatesMember	aroc:HilcorpAndAffiliatesMember	aroc:HilcorpAndAffiliatesMember
Accounts Receivable, after Allowance for Credit Loss, Current, Related Party, Name [Extensible Enumeration]	aroc:HilcorpAndAffiliatesMember		aroc:HilcorpAndAffiliatesMember		aroc:HilcorpAndAffiliatesMember
Affiliated Entity | Old Ocean Reserves | Archrock, Inc. | Maximum
Related Party Transaction
Ownership interest (percent)	7.50%		7.50%
Affiliated Entity | Old Ocean Reserves
Related Party Transaction
Number of directors shareholders have right to designate when owning specified percentage of entity's outstanding common stock | director			1
Minimum ownership interest of outstanding shares required to elect a board of director (percent)	7.50%		7.50%

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Segment Information - Number (Details)	9 Months Ended
	Sep. 30, 2023 segment
Segment Information
Number of reportable segments	2

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Segment Information - Revenue and Gross Margin by Reportable Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue and other financial information by reportable segment
Revenue	$ 253,367	$ 213,668	$ 730,744	$ 626,697
Gross margin	141,406	106,141	394,017	315,966
Contract operations
Revenue and other financial information by reportable segment
Revenue	207,552	170,497	596,417	500,451
Gross margin	132,279	98,803	365,629	295,901
Aftermarket services
Revenue and other financial information by reportable segment
Revenue	45,815	43,171	134,327	126,246
Gross margin	$ 9,127	$ 7,338	$ 28,388	$ 20,065

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Segment Information - Reconciliation of gross margin to income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reconciliation of total gross margin to income
Total gross margin	$ 141,406	$ 106,141	$ 394,017	$ 315,966
Less:
Selling, general and administrative	28,558	30,500	83,632	85,964
Depreciation and amortization	42,155	39,953	123,546	124,348
Long-lived and other asset impairment	2,922	4,154	8,383	16,217
Restructuring charges	592		1,554
Interest expense	28,339	25,177	83,550	74,879
Gain on sale of assets, net	(3,237)	(12,695)	(8,018)	(33,755)
Other expense (income), net	(235)	(585)	1,831	(52)
Income before income taxes	$ 42,312	$ 19,637	$ 99,539	$ 48,365

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Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pay vs Performance Disclosure
Net Income (Loss)	$ 30,858	$ 15,371	$ 71,996	$ 33,838

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Insider Trading Arrangements	3 Months Ended
	Sep. 30, 2023
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false