EXHIBIT 23.1

                       CONSENT OF INDEPENDENT ACCOUNTANTS

     We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 of our report dated February 14, 2002, relating to the
financial statements and financial statement schedule, which appears in Unocal
Corporation's Amended 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 LLP
PricewaterhouseCoopers LLP

Los Angeles, California
February 10, 2003