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                                                                    EXHIBIT 23.1


                       CONSENT OF DEGOLYER AND MACNAUGHTON


                                                               February 14, 2001


         We hereby consent to the references to our firm and to the opinions
delivered to EOG Resources, Inc., formerly Enron Oil & Gas Company (the
Company), regarding our comparison of estimates prepared by us with those
furnished to us by the Company of the proved oil, condensate, natural gas
liquids, and natural gas reserves of certain selected properties owned by the
Company. The opinions are contained in our letter reports dated January 11,
1999, February 8, 2000, and February 8, 2001 for estimates as of December 31,
1998, December 31, 1999, and December 31, 2000, respectively. The opinions are
referred to in the section "Supplemental Information to Consolidated Financial
Statements--Oil and Gas Producing Activities" in the Company's Current Report on
Form 8-K dated February 20, 2001, to be filed with the Securities and Exchange
Commission (the "Form 8-K"). DeGolyer and MacNaughton also consents to the
inclusion of our letter report, dated February 8, 2001, addressed to the Company
as Exhibit (23.2) to the Company's Form 8-K. Additionally, we hereby consent to
the incorporation by reference of such references to our firm and to our
opinions included in the Company's Form 8-K in the Company'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, and 333-46858.


                                              DeGOLYER and MacNAUGHTON




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