Oasis Midstream Partners LP filed SEC Form 8-K: Entry Into A Material Definitive Agreement, Item 2, Creation Of A Direct Financial Obligation Or An Obligation Under An Off-Balance Sheet Arrangement Of A Registrant, Fourth Amendmentas Previously Disclosed, The Partnership Is Party To The Credit Agreement Dated As Of September 25, 2017, By And Among The Partnership, Omp Operating, Certain Lenders Party Thereto, Wells Fargo Bank, N, Unregistered Sales Of Equity Securities, Departure Of Directors Or Certain Officers; Election Of Directors; Appointment Of Certain Officers; Compensatory Arrangements