Exhibit

We hereby consent to the references to DeGolyer and MacNaughton in the Registration Statement on Form S-8 (the Registration Statement) of Oasis Petroleum Inc. (the Company) to be filed with the United States Securities and Exchange Commission on August 12, 2016. We also consent to the use in and incorporation by reference in the Registration Statement of information contained in our “Appraisal Report as of December 31, 2015 on Certain Properties owned by Oasis Petroleum Inc.” included as an exhibit to the Company’s Annual Report on Form 10-K for the year ended December 31, 2015. We further consent to specific references to DeGolyer and MacNaughton as the independent petroleum engineering firm in the Registration Statement.