1 EXHIBIT 23.2 [GAFFNEY, CLINE & ASSOCIATES, INC. LETTERHEAD] GHJ/jk/C368.00/2097 October 28, 1999 Ms. Karen Bustamante Harken Energy Corporation 16285 Park Ten Place, Suite 600 Houston, Texas 77084 RE: CONSENT OF INDEPENDENT RESERVE ENGINEERS Dear Ms. Bustamante: As Harken Energy Corporation's (Harken's) independent reserve engineers, Gaffney, Cline & Associates, Inc. (GCA) consents to the reference to GCA's reserve report dated December 31, 1998, as included in Harken's registration statement Amendment No. 1 to Form S-3. Very truly yours, GAFFNEY, CLINE & ASSOCIATES, INC. /s/ GLENN H. JONES Glenn H. Jones CEO North American Region