Revenue from Contracts with Customers Disaggregation of Revenue (Tables)

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
	(In Thousands)
Completion Fluids & Products
U.S.	34,112		40,870		62,020		81,672
International	42,444		33,125		67,640		48,551
	76,556		73,995		129,660		130,223
Water & Flowback Services
U.S.	70,838		24,277		117,877		48,417
International	12,808		6,809		26,844		20,848
	83,646		31,086		144,721		69,265
Compression
U.S.	90,927		68,887		167,907		126,856
International	8,997		6,425		17,439		14,015
	99,924		75,312		185,346		140,871
Interdivision eliminations
U.S.	—		—		1		(1	)
International	(54	)	(462	)	(275	)	(1,018	)
	(54	)	(462	)	(274	)	(1,019	)
Total Revenue
U.S.	195,877		134,034		347,805		256,944
International	64,195		45,897		111,648		82,396
	260,072		179,931		459,453		339,340