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                                                                    EXHIBIT 23.1
 
                       CONSENT OF INDEPENDENT ACCOUNTANTS
 
     We hereby consent to the incorporation by reference in the Prospectus
constituting part of this Registration Statement on Form S-3 of our reports
dated July 24, 1998 and October 21, 1998 relating to the combined financial
statements and the pro forma combined statement of income, respectively, of
Conoco, which appear in the prospectus of Conoco Inc. dated October 21, 1998 as
filed with the Securities and Exchange Commission pursuant to Rule 424(b) under
the Securities Act of 1933. We also consent to the references to us under the
caption "Experts" in the Prospectus constituting part of this Registration
Statement on Form S-3.
 
PRICEWATERHOUSECOOPERS LLP
 
Houston, Texas
February 11, 1999