Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Carrying Amount and Fair Value of Financial Instruments

These carrying amounts approximate fair value because of the short maturity of these instruments.

	December 31, 2012				December 31, 2011
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(In thousands)
Mutual Funds	$	5,635	$	5,594	$	0	$	0
7.125% Senior Notes		0		0		225,000		228,375
7.75% Senior Notes due 2019		475,000		472,625		475,000		482,125
7.75% Senior Notes due 2022		300,000		292,500		0		0

Summary of Estimated Useful Lives of the Assets

All property and equipment are depreciated or amortized (to the extent of estimated salvage values) on the straight-line method and the estimated useful lives of the assets are as follows:

Building and improvements	20-30 years
Well servicing units and equipment	3-15 years
Fluid services equipment	5-10 years
Brine and fresh water stations	15 years
Frac/test tanks	10 years
Pressure pumping equipment	5-10 years
Construction equipment	3-10 years
Contract drilling equipment	3-10 years
Disposal facilities	10-15 years
Vehicles	3-7 years
Rental equipment	2-15 years
Aircraft	5 years
Software and computers	3 years

Changes In Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the year ended December 31, 2012, are as follows (in thousands):

	Completion and Remedial Services		Fluid Services		Well Servicing		Contract Drilling		Total
Balance as of December 31, 2011	$	72,369	$	4,086	$	6,116	$	—	$	82,571
Goodwill additions		6,678		16,381		206		—		23,265
Balance as of December 31, 2012	$	79,047	$	20,467	$	6,322	$	—	$	105,836

Amortizable Intangible Assets

Amortizable Intangible Assets at December 31, 2012 (in thousands):
Customer Relationships	$	90,079
Accumulated Amortization Customer Relationships		(16,267	)
Non-Compete Agreements		7,999
Accumulated Amortization Non-Compete Agreements		(1,948	)
Other Intangible Assets		3,065
Accumulated Amortization Other Intangible Assets		(166	)
Total Amortizable Intangible Assets	$	82,762