Western Division Exploration & Production Office
Denver, CO
1675 Broadway Suite 1600
Denver, CO 80202
(303) 592-8880
(303) 592-8881 fax

Mid-Continent Division Exploration & Production Office
Oklahoma City, OK
204 North Robinson Suite 2300
Oklahoma City, OK 73102
(405) 232-0201
(405) 235-5134 fax

Gulf Coast Division Exploration Office
Houston, TX
4801 Woodway Suite 345W
Houston, TX 77056-1884
(713) 759-1311
(713) 759-1309 fax

Wichita Corporate Office
Wichita, KS
River Park Place Suite 400
727 North Waco
Wichita, KS 67203
(316) 263-3201
(316) 268-0702 fax