Exhibit 23.4

CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

We have issued our report dated December 1, 2010 with respect to the special-purpose combined financial statements included in the Current Report on Form 8-K/A of Concho Resources Inc., dated December 1, 2010, which are incorporated by reference in this Registration Statement. We consent to the incorporation by reference in the Registration Statement of the aforementioned report, and to the use of our name as it appears under the caption “Experts.”

/s/ GRANT THORNTON LLP

Tulsa, Oklahoma
December 7, 2010