REVENUES (Tables)

3 Months Ended

Mar. 31, 2020

REVENUES

Schedule of disaggregation of revenues

	Three months ended
	March 31,
(in thousands)	2020		2019
Oilfield services transferred at a point in time	$	—	$	—
Oilfield services transferred over time		243,777		334,656
Total revenues	$	243,777	$	334,656

Schedule of contract assets included in accounts receivable

	March 31,		December 31,		March 31,		December 31,
(in thousands)	2020		2019		2019		2018
Unbilled trade receivables	$	47,128	$	52,052	$	90,539	$	56,408