REVENUES (Tables)

6 Months Ended

Jun. 30, 2021

REVENUES

Schedule of disaggregation of revenues

	Three months ended				Six months ended
	June 30,				June 30,
(in thousands)		2021	2020			2021	2020
Oilfield services transferred at a point in time	$	—	$	—	$	—	$	—
Oilfield services transferred over time		188,757		89,300		371,367		333,077
Total revenues	$	188,757	$	89,300	$	371,367	$	333,077

Schedule of contract assets included in accounts receivable

	June 30,		December 31,		June 30,		December 31,
(in thousands)	2021		2020		2020		2019
Unbilled trade receivables	$	45,183	$	29,574	$	21,578	$	52,052