RHONE "B"

Oil · District 7B · Lease #23311

Operator: STANDARD OIL TOOLS, INC.

Fields: BURT-OGDEN-MABEE (PALO PINTO A)

Cum Oil

7k BBL

Cum Gas

99k MCF

casinghead

Wells

4

Production

1993-01 — 2011-11

Peak Month

1995-04

Production History

Cum Oil: 6,817 BBL Cum Gas: 99,312 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

72 BBL/mo

Di (annual)

14.8%

b-factor

0.0

EUR

5,776 BBL

R-squared

0.507

type

exponential

Operator History (from monthly production reports)

2010-09 — 2026-07 CENTEX ENERGY, LLC 191 mo

2007-07 — 2010-08 MARTINEAU PETROLEUM, INC. 38 mo

1999-04 — 2007-06 B.W.O.C., INC. 99 mo

1997-12 — 1999-03 STANDARD OIL TOOLS, INC. 16 mo

1993-10 — 1997-11 GRIFFIN RESOURCES 50 mo

1993-01 — 1993-09 LACCO MINERAL'S INC. 9 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-399-03326	CENTEX ENERGY LLC	1	3,800	1987-05-26
3	42-399-00371	CENTEX ENERGY LLC	1	3,850	1986-11-18
2	42-399-02134	CENTEX ENERGY LLC	1	3,650	1986-05-28
1	42-399-33610	CENTEX ENERGY, LLC	2	3,900	1985-10-10