COFFIELD-LOCKHART

Oil · District 01 · Lease #12292

Operator: O. H. B. INC.

Cum Oil

37k BBL

Cum Gas

20 MCF

casinghead

Wells

1

Production

1993-01 — 2001-10

Peak Month

1993-01

Production History

Cum Oil: 36,950 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

833 BBL/mo

Di (annual)

25.0%

b-factor

0.0

EUR

39,933 BBL

R-squared

0.432

type

exponential

Operator History (from monthly production reports)

2011-01 — 2012-12 ADS OIL & GAS, INC. 24 mo
2004-01 — 2010-12 ADS 84 mo
2003-04 — 2003-12 O. H. B. INC. 9 mo
2002-10 — 2003-03 CENTRAL PLAINS OIL&GAS CORP. (A) 6 mo
1993-01 — 2002-09 HEARTLAND RESOURCES, INC. 117 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ADS OIL & GAS INC.12,5001989-06-01