Exhibit

We hereby consent to the references to DeGolyer and MacNaughton in the Registration Statement on Form S-3 (the Registration Statement) of Oasis Petroleum Inc. and the related prospectus that is a part thereof to be filed with the United States Securities and Exchange Commission on or about July 14, 2017. We also consent to the use in and incorporation by reference in the Registration Statement and prospectus of information contained in our “Report as of December 31, 2016 on Reserves and Revenue of Certain Properties owned by Oasis Petroleum Inc.”, our “Report as of December 31, 2015 on Reserves and Revenue owned by Oasis Petroleum Inc.” and our “Appraisal Report as of December 31, 2014 on Certain Properties owned by Oasis Petroleum Inc.” We further consent to specific references to DeGolyer and MacNaughton as the independent petroleum engineering firm under the heading “Experts” in the Registration Statement.