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Segment Reporting (Tables)
3 Months Ended
Mar. 31, 2017
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
 
Corporate & Other 1
 
Consolidated
Three Months Ended March 31, 2017
 
 
 
 
 
 
 
Revenue from unaffiliated clients
$
104,895

 
$
52,912

 
$

 
$
157,807

Inter-segment revenue
174

 
201

 
(375
)
 

Segment operating income (loss)
15,940

 
7,395

 
(156
)
 
23,179

Total assets (at end of period)
320,543

 
199,541

 
60,332

 
580,416

Capital expenditures
2,577

 
3,020

 
852

 
6,449

Depreciation and amortization
4,620

 
1,287

 
520

 
6,427

 
 
 
 
 
 
 
 
Three Months Ended March 31, 2016
 
 
 

 
 

 
 

Revenue from unaffiliated clients
$
107,425

 
$
46,222

 
$

 
$
153,647

Inter-segment revenue
742

 
220

 
(962
)
 

Segment operating income (loss)
18,598

 
4,250

 
92

 
22,940

Total assets (at end of period)
331,889

 
206,566

 
48,795

 
587,250

Capital expenditures
2,082

 
378

 
398

 
2,858

Depreciation and amortization
4,636

 
1,587

 
624

 
6,847