Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Long-Lived Assets, by Reporting Segment

Our Drilling Services Segment provides contract land drilling services with its fleet of 70 drilling rigs which are currently assigned to the following divisions:



Drilling Division		Rig Count
South Texas		14
East Texas		4
West Texas		23
North Dakota		12
Utah		5
Appalachia		4
Colombia		8
		70

Drilling Services Segment—Our Drilling Services Segment provides contract land drilling services to a diverse group of oil and gas exploration and production companies with its fleet of 70 drilling rigs which are currently assigned to the following divisions:



Drilling Division		Rig Count
South Texas		14
East Texas		4
West Texas		23
North Dakota		12
Utah		5
Appalachia		4
Colombia		8
		70

Schedule of Segment Reporting Information, by Segment

The following tables set forth certain financial information for our two operating segments and corporate as of and for the years ending December 31, 2012, 2011 and 2010 (amounts in thousands):



	As of and for the year ended December 31, 2012
	Drilling Services Segment		Production Services Segment		Corporate		Total
Identifiable assets	$	867,526	$	439,113	$	33,137	$	1,339,776
Revenues	$	498,867	$	420,576	$	—	$	919,443
Operating costs	333,846		252,775		—		586,621
Segment margin	$	165,021	$	167,801	$	—	$	332,822
Depreciation and amortization	$	108,151	$	55,693	$	873	$	164,717
Capital expenditures	$	265,966	$	110,813	$	2,493	$	379,272



	As of and for the year ended December 31, 2011
	Drilling Services Segment		Production Services Segment		Corporate		Total
Identifiable assets	$	667,588	$	398,128	$	107,038	$	1,172,754
Revenues	$	433,902	$	282,039	$	—	$	715,941
Operating costs	292,559		164,365		—		456,924
Segment margin	$	141,343	$	117,674	$	—	$	259,017
Depreciation and amortization	$	99,302	$	32,683	$	847	$	132,832
Capital expenditures	$	168,120	$	68,908	$	759	$	237,787



	As of and for the year ended December 31, 2010
	Drilling Services Segment		Production Services Segment		Corporate		Total
Identifiable assets	$	542,242	$	261,777	$	37,324	$	841,343
Revenues	$	312,196	$	175,014	$	—	$	487,210
Operating costs	227,136		105,295		—		332,431
Segment margin	$	85,060	$	69,719	$	—	$	154,779
Depreciation and amortization	$	92,800	$	26,740	$	1,271	$	120,811
Capital expenditures	$	109,261	$	25,411	$	479	$	135,151

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The following table reconciles the segment profits reported above to income from operations as reported on the consolidated statements of operations for the years ended December 31, 2012, 2011 and 2010 (amounts in thousands):



	Year ended December 31,
	2012			2011			2010
Segment margin	$	332,822		$	259,017		$	154,779
Depreciation and amortization	(164,717		)	(132,832		)	(120,811		)
General and administrative	(85,603		)	(67,318		)	(52,047		)
Bad debt recovery (expense)	440			(925		)	(493		)
Impairment of equipment	(1,131		)	(484		)	—
Income (loss) from operations	$	81,811		$	57,458		$	(18,572	)

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

The following table sets forth certain financial information for our international operations in Colombia as of and for the years ended December 31, 2012, 2011 and 2010 (amounts in thousands):



	As of and for the year ended December 31,
	2012		2011		2010
Identifiable assets	$	148,567	$	151,448	$	157,509
Revenues	$	95,338	$	109,539	$	86,432

- Definition

Tabular disclosure of all significant reconciling items in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations.

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- Definition

Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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