Anadarko Petroleum Corporation Form 11-K Exhibit 23 12/31/2005

EX-23 2 exhibit_23.htm ANADARKO PETROLEUM CORPORATION FORM 11-K EXHIBIT 23 Anadarko Petroleum Corporation Form 11-K Exhibit 23 12/31/2005 Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

The Administrative and Investment Committee
Anadarko Employee Savings Plan:

We consent to the incorporation by reference in the Registration Statement (File No. 33-8643) on Form S-8 of Anadarko Petroleum Corporation of our report dated June 14, 2006, relating to the statements of net assets available for benefits of the Anadarko Employee Savings Plan as of December 31, 2005 and 2004, and the related statement of changes in net assets available for benefits for the year ended December 31, 2005 and the related supplemental schedules of schedule H, line 4i - schedule of assets (held at end of year) as of December 31, 2005 and schedule H, line 4j - schedule of reportable transactions for the year ended December 31, 2005, which report appears in the December 31, 2005 Annual Report on Form 11-K of the Anadarko Employee Savings Plan.

/s/ KPMG LLP

Houston, Texas
June 14, 2006