COFFIELD B-7A

Oil // district 3 // lease#11868

op: HEARTLAND RESOURCES, INC.

cum_oil

38k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1995-03

-- production_history

cum_oil: 37,580 BBL cum_gas: 0 MCF

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6SEAGULL OPERATING CO. INC.13,5001981-11-17
4 ACADDO OIL CO.-CALDWELL DIST.13,7501978-08-10
5CADDO OIL CO.-CALDWELL DIST.13,7501978-07-17
3CADDO OIL COMPANY, INC.13,7001978-01-11
EOF // multi-state drilling data platform // 2026