Correspondence
P.O. Box 18496
Oklahoma City, OK 73154-0496
Division Orders
inquirydo@chk.com (877) CHK-1GAS
Fax: (405) 879-9563
Revenue
revinquiry@chk.com (877) CHK-1GAS
Fax: (405) 879-9558
Production
production@chk.com (877) CHK-1GAS
Fax: (405) 849-4211
Daily Activity Report
contact@chk.com (877) CHK-1GAS
Fax: (405) 879-9534
Joint Interest Billing
jib@chk.com (877) CHK-1GAS
Fax: (405) 879-9532
P.O. Box 960165
Oklahoma City, OK 73196-0165