1 EXHIBIT 23.2 CONSENT OF GAFFNEY, CLINE & ASSOCIATES, INC. As Harken Energy Corporation's (Harken's) independent reserve engineers, Gaffney, Cline & Associates, Inc. (GCA) consents to the reference to GCA's report on reserves as disclosed by Harken in its Form 10-K/A for the period ending December 31, 1999, as included in this Form S-3 registration statement (Registration No. 333-34650) for the sale of Harken common stock. Very truly yours, GAFFNEY, CLINE & ASSOCIATES, INC. Houston, Texas August 29, 2000