EXHIBIT 23.3

                CONSENT OF NETHERLAND, SEWELL & ASSOCIATES, INC.

         We hereby consent to the incorporation by reference in the Annual
Report on Form 10-K of Harken Energy Corporation (the "Company") and in the
following Registration Statements of the Company and in the related Prospectuses
to the references to this firm for the Company's estimated domestic proved
reserves contained in the Annual Report on Form 10-K, those Registration
Statements and related Prospectuses for the year ended December 31, 2001.

Form                               Description
- ----                               -----------

S-3    Registration of 135,000 shares of common stock issued to Parkcrest (No.
       333-71751)

S-3    Registration of 190,863 shares of common stock issued to Sidro, S.A (No.
       333-78859)

S-3    Registration of 131,682 shares of common stock issued to Crescent
       International Ltd. (No. 333-79281)

S-3    Registration of 648,151 shares of common stock (No. 333-79617)

S-3    Registration of 112,173 shares of common stock issued to Lambertine (No.
       333-80031)

S-3    Registration of 260,000 shares of common stock issued to International
       Rochester Energy Corporation (No. 333-85057)

S-3    Registration of 300,000 shares of common stock (No. 333-30490)

S-3    Registration of 200,000 shares of common stock (No. 333-34534)

S-3    Registration of 239,840 shares of common stock (No. 333-34650)

S-3    Registration of 173,973 shares of common stock (No. 333-34720)

S-3    Registration of 274,013 shares of common stock (No. 333-34830)

S-3    Registration of 246,153 shares of common stock (No. 333-38050)

S-3    Registration of 133,333 shares of common stock (No. 333-44564)

S-3    Registration of 777,142 shares of common stock (No. 333-48760)



S-3    Registration of 3,968,920 shares of common stock (No. 333-67156)

S-3    Registration of 3,193,334 shares of common stock (No. 333-74410)

S-3    Registration of 521,232 shares of common stock (No. 333-59092)


                                           NETHERLAND, SEWELL & ASSOCIATES, INC.


Houston, Texas
December 20, 2002