Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

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

	Reservoir Description		Production Enhancement		Reservoir Management		Corporate & Other 1			Consolidated
Three Months Ended March 31, 2016
Revenue from unaffiliated clients	$	101,549	$	44,145	$	7,953	$	—		$	153,647
Inter-segment revenue	1,907		220		5		(2,132		)	—
Segment operating income (loss)	18,220		4,141		487		92			22,940
Total assets (at end of period)	316,705		202,470		19,282		48,793			587,250
Capital expenditures	2,074		378		8		398			2,858
Depreciation and amortization	4,436		1,425		363		623			6,847
Three Months Ended March 31, 2015
Revenue from unaffiliated clients	$	121,759	$	75,145	$	16,739	$	—		$	213,643
Inter-segment revenue	2,776		717		149		(3,642		)	—
Segment operating income (loss)	28,530		9,923		3,866		398			42,717
Total assets (at end of period)	312,129		233,414		29,505		54,960			630,008
Capital expenditures	4,437		1,803		221		408			6,869
Depreciation and amortization	3,783		1,761		431		591			6,566