Exhibit 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby consent to the incorporation by reference in this Registration
Statement on Form S-8 of Unocal Corporation (the "Company") of our report dated
February 14, 2002 relating to the consolidated financial statements and
financial statement schedule, 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-8 of Unocal Corporation of our report dated March 10, 2000
relating to the consolidated statements of operations, of cash flows, and of
changes in stockholders' equity and owner's net investment of Pure Resources,
Inc. and 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.


                                /s/ PricewaterhouseCoopers

                                PricewaterhouseCoopers LLP

Los Angeles, California
November 6, 2002