EX-23.1 8 h03353exv23w1.txt CONSENT OF ERNST & YOUNG LLP EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC AUDITORS As independent public auditors, we hereby consent to the incorporation by reference of our report dated March 14, 2003, included in this Form 10-K for the year ended December 31, 2002, into Apache Corporation's previously filed Registration Statements on Form S-3 (Nos. 33-53129, 333-57785, 333-75633 and 333-32580) and Form S-8 (Nos. 33-31407, 33-37402, 33-53442, 33-59721, 33-59723, 33-63817, 333-04059, 333-25201, 333-26255, 333-32557, 333-36131, 333-53961, 333-31092, 333-48758, 333-97403, 333-102330 and 333-103758). /s/ Ernst & Young LLP ERNST & YOUNG LLP Houston, Texas March 14, 2003