BENNETT-MORALES UNIT

Oil · District 01 · Lease #4820

Operator: TRIUMPH PETROLEUM COMPANY,L.L.C.

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

97k BBL

Cum Gas

7k MCF

casinghead

Wells

3

Production

1993-01 — 2025-05

Peak Month

2004-04

Production History

Cum Oil: 97,199 BBL Cum Gas: 7,465 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

767 BBL/mo

Di (annual)

54.3%

b-factor

0.3

EUR

23,982 BBL

R-squared

0.554

type

hyperbolic

Operator History (from monthly production reports)

2012-05 — 2026-07 BLACKBRUSH O & G, LLC 171 mo

2005-02 — 2012-04 BLACKBRUSH O & G, INC. 87 mo

2002-08 — 2005-01 TRIUMPH PETROLEUM COMPANY,L.L.C. 30 mo

2002-01 — 2002-07 HEC PETROLEUM, INC. 7 mo

1998-11 — 2001-12 HALLWOOD PETROLEUM, INC. 38 mo

1994-12 — 1998-10 ARCADIA EXPL. & PROD. COMPANY 47 mo

1993-01 — 1994-11 HINTON PRODUCTION COMPANY 23 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-163-32677	BLACKBRUSH O & G LLC	3	12,000	2024-05-17
3	42-163-33041	BLACKBRUSH O & G LLC	2	12,000	2003-10-10
1	42-163-30390	BLACKBRUSH O & G LLC	--	--	--