EXHIBIT 23


                       CONSENT OF INDEPENDENT ACCOUNTANTS


We  hereby  consent  to the  incorporation  by  reference  in  the  Registration
Statements on Form S-3 (Nos. 33-63719 and 333-58415-01) of Unocal Corporation of
our report  dated  February  14, 2002,  relating to the  consolidated  financial
statements and financial statement schedule, which appears in this Annual Report
on Form 10-K/A (Amendment No. 2) for the year ended December 31, 2001.




/s/PricewaterhouseCoopers LLP
- ------------------------------
PricewaterhouseCoopers LLP
Los Angeles, California
September 23, 2002