EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-8 pertaining to Stock Option Agreement/Michael J. Stevens of Inland Resources Inc. of our report dated March 24, 2000, with respect to the consolidated financial statements of Inland Resources Inc. included in its Form 10-K for the year ended December 31, 1999. /s/ Arthur Andersen LLP Denver, Colorado August 9, 2000