HOUSTON, Feb. 8, 2012 /PRNewswire/ -- Oasis Petroleum Inc. (NYSE: OAS) ("Oasis" or the "Company") plans to issue its press release announcing fourth quarter and full year 2011 financial and operational results on Wednesday, February 22, 2012 after the close of trading on the NYSE. Additionally, the Company will host a conference call on Thursday, February 23, 2012 at 11:00 a.m. Central Time to discuss its fourth quarter and full year 2011 financial and operational results. Investors, analysts and other interested parties are invited to listen to the conference call by dialing 877-621-0256 (U.S.) or 706-634-0151 (International); the Conference ID is 46774975 or via the Company's website at www.oasispetroleum.com. A recording of the conference call will be available by dialing 855-859-2056 (U.S.) or 404-537-3406 (International), using the Conference ID 46774975 beginning at 2:00 p.m. Central Time on the day of the call, and available until Friday, March 2, 2012. The conference call will also be available for replay for approximately 30 days at www.oasispetroleum.com. About Oasis Petroleum Inc.Oasis is an independent exploration and production company focused on the acquisition and development of unconventional oil and natural gas resources, primarily operating in the Williston Basin. For more information, please visit the Company's website at www.oasispetroleum.com. Contact:Oasis Petroleum Inc. Richard Robuck, (281) 404-9600Director – Finance SOURCE Oasis Petroleum Inc.