Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our reports dated March 9, 2023 with respect to the consolidated financial statements and internal control over financial reporting of Ranger Oil Corporation incorporated by reference from the Annual Report on Form 10-K for the year ended December 31, 2022 in the registration statement on Form F-4, as amended (File No. 333-271191), which are incorporated by reference in this Registration Statement on Form F-4MEF. We consent to the incorporation by reference of the aforementioned reports in this Registration Statement, and to the use of our name as it appears under the caption “Experts” in the prospectus incorporated by reference in this Registration Statement.

/s/ GRANT THORNTON LLP

Houston, Texas

May 19, 2023