Goodwill

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

GOODWILL

The changes in the carrying amount of goodwill for each reportable segment for the years ended December 31, 2018 and 2017 were as follows (in thousands):

	Reservoir Description		Production Enhancement			Total
Balance at December 31, 2016	$	99,484	$	79,560		$	179,044
Goodwill acquired during the year	—		—			—
Balance at December 31, 2017	99,484		79,560			179,044
Goodwill allocated to discontinued operations	—		(915		)	(915		)
Goodwill acquired during the year	—		41,283			41,283
Balance at December 31, 2018	$	99,484	$	119,928		$	219,412