BRITTAIN

Oil · District 7B · Lease #27272

Operator: R & B ENERGY CO.

Fields: RANGER (BLACK LIME WEST)

Cum Oil

86 BBL

Cum Gas

8k MCF

casinghead

Wells

1

Production

1994-09 — 1998-06

Peak Month

1995-11

Production History

Cum Oil: 86 BBL Cum Gas: 7,608 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2 BBL/mo

Di (annual)

63.6%

b-factor

0.0

EUR

26 BBL

R-squared

0.574

type

exponential

Operator History (from monthly production reports)

1999-12 — 2026-07 EASTLAND OPERATING, L.L.C. 320 mo

1999-02 — 1999-11 R & B ENERGY CO. 10 mo

1998-07 — 1999-01 GRUY PETROLEUM MANAGEMENT CO. 7 mo

1994-09 — 1998-06 MUSTANG OIL & GAS CORPORATION 46 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-429-33552	RIDGE OIL COMPANY	1	3,750	1982-12-31