EXHIBIT 23.1


                  DeGolyer and MacNaughton
              4925 Greenville Avenue, Suite 400
                      One Energy Square
                     Dallas, Texas 75206


                      February 24, 2005





EOG Resources, Inc.
333 Clay Street, Suite 4200
Houston, Texas 77002


Gentlemen:

     We hereby consent to the inclusion of references to our
firm and to the opinions as mentioned below delivered to EOG
Resources, Inc. (EOG) regarding our comparison of estimates
prepared by us with those furnished to us by EOG of the
proved oil, condensate, natural gas liquids, and natural gas
reserves of certain selected properties owned by EOG in the
section "Supplemental Information to Consolidated Financial
Statements - Oil and Gas Producing Activities" in EOG's
Annual Report on Form 10-K for the year ended December 31,
2004 filed with the United States Securities and Exchange
Commission (SEC) on February 24, 2005 (the Form 10-K). The
opinions are contained in our letter reports dated
January 31, 2003,  March 1, 2004 and January 28, 2005, for
estimates as of December 31, 2002, and December 31, 2003 and
December 31, 2004, respectively. Additionally, we hereby
consent to the incorporation by reference of such references
to our firm and to our opinions in EOG's previously filed
Registration Statement Nos. 33-48358, 33-52201, 33-58103,
33-62005, 333-09919, 333-20841, 333-18511, 333-31715,
333-44785, 333-69483, 333-46858, 333-62256, 333-63184,
333-84014, 333-88924 and 333-116701.

                              Very truly yours,



                              DeGOLYER and MacNAUGHTON