CLARK

Oil · District 7B · Lease #25598

Operator: RO-JO, INC.

Cum Oil

37k BBL

Cum Gas

19 MCF

casinghead

Wells

3

Production

1993-01 — 2024-09

Peak Month

2003-05

Production History

Cum Oil: 37,418 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

293 BBL/mo

Di (annual)

29.1%

b-factor

0.2

EUR

14,979 BBL

R-squared

0.624

type

hyperbolic

Operator History (from monthly production reports)

2002-10 — 2026-07 G & F OIL, INC. 286 mo
1998-12 — 2002-09 RO-JO, INC. 46 mo
1993-01 — 1998-11 GLAHN RESOURCES, INC. 71 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3G & F OIL INC.12,7001990-06-06
2G & F OIL INC.23,7001989-12-12
1G & F OIL INC.13,0001989-09-29