ONEOK Rockies Midstream, L.L.C. v. Great Plains Technical Services Inc.

IN THE UNITED STATES DISTRICT COURT FOR THE NORTHERN DISTRICT OF OKLAHOMA ONEOK ROCKIES MIDSTREAM, ) L.L.C., ) ) Plaintiff, ) ) v. ) Case No. 20-cv-00580-CVE-SH ) GREAT PLAINS TECHNICAL ) SERVICES, INC., ) ) Defendant. ) OPINION AND ORDER Before the Court is the amended motion of Plaintiff ONEOK Rockies Midstream, L.L.C. (“ONEOK”) to strike or exclude expert opinions disclosed by Defendant Great Plains Technical Services, Inc. (“Great Plains”) after the expert disclosure deadline. (ECF No. 75.) In its motion, ONEOK argues that the supplemental reports submitted by Great Plains’ four…