EXHIBIT 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS

     We hereby consent to the incorporation by reference in this Registration
Statement on Form S-4 of Unocal Corporation (the "Company") of our report dated
February 14, 2002 relating to the consolidated financial statements and
financial statement schedules, which appears in the Company's Annual Report on
Form 10-K/A for the year ended December 31, 2001.

     We also hereby consent to the incorporation by reference in this
Registration Statement on Form S-4 of Unocal Corporation of our report dated
March 10, 2000 relating to the consolidated statements of operations, of cash
flows, and charges in stockholders' equity and owner's net investment of Pure
Resources, Inc. and its subsidiaries ("Pure"), formerly referred to as Union
Oil's Permian Basin business unit, for the year ended December 31, 1999, which
appears in Pure's Annual Report on Form 10-K/A for the year ended December 31,
2001.

     We also consent to the reference to us under the heading "Experts" in such
Registration Statement.


                                          PRICEWATERHOUSECOOPERS LLP

Los Angeles, California
September 20, 2002