Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Revenue from External Customers by Products and Services [Table Text Block]

SEGMENT BREAKDOWN BETWEEN SERVICES / PRODUCT SALES	For the Years Ended December 31,
	2013		2012		2011
Reservoir Description Services	$	493,402	$	472,426	$	443,050
Production Enhancement Services	209,770		161,679		129,400
Reservoir Management Services	62,256		59,790		49,302
Total Revenue - Services	$	765,428	$	693,895	$	621,752
Reservoir Description Product sales	$	28,849	$	23,103	$	26,725
Production Enhancement Product sales	242,645		242,113		242,049
Reservoir Management Product sales	36,586		21,969		17,122
Total Revenue - Product sales	$	308,080	$	287,185	$	285,896
Total Revenue	$	1,073,508	$	981,080	$	907,648

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Results for these business segments are presented below. We use the same accounting policies to prepare our business segment results as are used to prepare our Consolidated Financial Statements. All interest and other non-operating income (expense) is attributable to Corporate & Other area and is not allocated to specific business segments. Summarized financial information concerning our segments is shown in the following table (in thousands):

	Reservoir Description		Production Enhancement		Reservoir Management		Corporate & Other (1)			Consolidated
December 31, 2013
Revenues from unaffiliated clients	$	522,251	$	452,415	$	98,842	$	—		$	1,073,508
Inter-segment revenues	3,432		3,140		1,742		(8,314		)	—
Segment operating income (loss)	146,338		154,715		31,555		811			333,419
Total assets (at end of period)	321,106		255,764		37,660		46,480			661,010
Capital expenditures	22,601		7,124		1,366		4,325			35,416
Depreciation and amortization	14,898		7,745		945		1,883			25,471
December 31, 2012
Revenues from unaffiliated clients	$	495,529	$	403,792	$	81,759	$	—		$	981,080
Inter-segment revenue	2,484		2,757		1,492		(6,733		)	—
Segment operating income (loss)	144,502		128,602		26,428		(2,252		)	297,280
Total assets (at end of period)	293,974		242,254		34,532		65,756			636,516
Capital expenditures	16,987		7,423		920		5,821			31,151
Depreciation and amortization	14,094		6,139		731		1,953			22,917

December 31, 2011
Revenue from unaffiliated clients	$	469,775	$	371,449	$	66,424	$	—		$	907,648
Inter-segment revenue	1,515		1,947		1,686		(5,148		)	—
Segment operating income (loss)	116,244		112,576		21,887		47			250,754
Total assets (at end of period)	270,270		221,599		26,070		92,934			610,873
Capital expenditures	15,320		8,700		1,318		4,589			29,927
Depreciation and amortization	14,073		6,449		666		2,115			23,303
(1) "Corporate and other" represents those items that are not directly relating to a particular segment and eliminations.

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

The following tables show a summary of our U.S. and non-U.S. operations and a breakdown between services and product sales for December 31, 2013, 2012 and 2011 (in thousands):

GEOGRAPHIC INFORMATION	United States		Canada		Other Countries (1) (2)		Consolidated
December 31, 2013
Revenue	$	507,239	$	120,697	$	445,572	$	1,073,508
Property, plant and equipment, net	73,870		17,195		47,759		138,824
December 31, 2012
Revenue	$	505,200	$	101,387	$	374,493	$	981,080
Property, plant and equipment, net	66,092		17,263		42,063		125,418
December 31, 2011
Revenue	$	470,600	$	85,287	$	351,761	$	907,648
Property, plant and equipment, net	53,566		20,113		41,616		115,295
(1) Revenue earned in other countries, including The Netherlands, was not individually greater than 10% of our consolidated revenue in 2013, 2012 or 2011.
(2) Property, plant and equipment, net in other countries, including The Netherlands, were not individually greater than 10% of our consolidated fixed assets in 2013, 2012 or 2011.