SIMPSON -B-

Oil · District 08 · Lease #25755

Operator: UNITEX OIL & GAS, L.L.C.

Fields: COLEMAN RANCH, N. (CLEAR FORK)

Cum Oil

89k BBL

Cum Gas

19 MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

1993-10

Production History

Cum Oil: 89,352 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

848 BBL/mo

Di (annual)

129.4%

b-factor

1.8

EUR

71,932 BBL

R-squared

0.621

type

hyperbolic

Operator History (from monthly production reports)

2008-02 — 2026-07 UNITEX OIL & GAS, L.L.C. 222 mo

2000-04 — 2008-01 COWBOYS RESOURCES CORP. 94 mo

1999-03 — 2000-03 BROTHERS PRODUCTION COMPANY INC. 13 mo

1994-07 — 1999-02 ALLEGRO OPERATING, INC. 56 mo

1993-05 — 1994-06 KIDD OIL & GAS, LC 14 mo

1993-01 — 1993-04 KIDD, BARRON ULMER 4 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6	42-335-32739	UNITEX OIL & GAS, L.L.C.	1	3,500	1984-05-25
4	42-335-32068	UNITEX OIL & GAS, L.L.C.	1	3,300	1981-07-15
3	42-335-31813	UNITEX OIL & GAS, L.L.C.	1	3,300	1980-09-22
2	42-335-31773	UNITEX OIL & GAS, L.L.C.	1	3,250	1980-07-15
1	42-335-31575	UNITEX OIL & GAS, L.L.C.	1	3,400	1979-10-30