0001688476 2020-03-20 2020-03-20 false 0001688476 8-K 2020-03-20 NexTier Oilfield Solutions Inc. DE 001-37988 38-4016639 3990 Rogerdale Rd. Houston, TX 77042 713 325-6000 Common Stock, $0.01, par value NEX NYSE false false false false false