ED Oklahoma November 2017 casesRoop v. Kan. City S. Ry. Co.Cantrell v. JohnsonCragg v. BerryhillChieftain Royalty Co. v. BP Am. Prod. Co.Hughes v. BerryhillBurgess v. BerryhillCowan v. Devon Energy Corp.San Bois Health Servs., Inc. v. HarganSafeco Ins. Co. of Am. v. WiemerKyser v. D.J.F. Servs., Inc.Looper v. BrasseurMorgan v. Berryhill