Segment Reporting Level 3 (Tables)

6 Months Ended

Jun. 30, 2013

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

Summarized financial information concerning our segments is shown in the following table (in thousands):



(Unaudited)	Reservoir Description		Production Enhancement		Reservoir Management		Corporate & Other ¹			Consolidated
Three Months Ended June 30, 2013
Revenues from unaffiliated customers	$	129,222	$	110,199	$	23,718	$	—		$	263,139
Inter-segment revenues	1,090		740		400		(2,230		)	—
Segment operating income (loss)	36,918		37,239		7,475		237			81,869
Total assets (at end of period)	299,399		255,987		35,570		64,160			655,116
Capital expenditures	6,424		1,851		517		700			9,492
Depreciation and amortization	3,599		1,797		189		379			5,964
Three Months Ended June 30, 2012
Revenues from unaffiliated customers	$	126,462	$	99,547	$	20,997	$	—		$	247,006
Inter-segment revenues	760		615		785		(2,160		)	—
Segment operating income (loss)	38,076		29,564		7,113		(2,627		)	72,126
Total assets (at end of period)	279,823		246,837		24,756		71,257			622,673
Capital expenditures	3,667		2,426		29		1,475			7,597
Depreciation and amortization	3,445		902		175		555			5,077
Six Months Ended June 30, 2013
Revenues from unaffiliated customers	$	254,467	$	217,630	$	51,969	$	—		$	524,066
Inter-segment revenues	1,475		1,677		823		(3,975		)	—
Segment operating income (loss)	71,769		71,477		17,321		339			160,906
Total assets	299,399		255,987		35,570		64,160			655,116
Capital expenditures	11,853		3,939		1,036		1,107			17,935
Depreciation and amortization	7,224		3,614		380		771			11,989
Six Months Ended June 30, 2012
Revenues from unaffiliated customers	$	242,568	$	196,280	$	42,349	$	—		$	481,197
Inter-segment revenues	1,296		1,083		804		(3,183		)	—
Segment operating income (loss)	70,491		63,095		15,028		(2,582		)	146,032
Total assets	279,823		246,837		24,756		71,257			622,673
Capital expenditures	6,146		4,268		440		4,040			14,894
Depreciation and amortization	6,992		2,500		342		1,126			10,960

- 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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