SHINER RANCH -C-

Oil · District 01 · Lease #11582

Operator: VERMILLION PRODUCTION, INC.

Fields: PEARSALL (AUSTIN CHALK)

Cum Oil

79k BBL

Cum Gas

132k MCF

casinghead

Wells

4

Production

1993-01 — 2014-12

Peak Month

2009-01

Production History

Cum Oil: 78,578 BBL Cum Gas: 132,485 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,284 BBL/mo

Di (annual)

86.7%

b-factor

0.0

EUR

59,292 BBL

R-squared

0.889

type

exponential

Operator History (from monthly production reports)

2012-05 — 2021-10 BLACKBRUSH O & G, LLC 114 mo

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

2004-01 — 2005-01 TRIUMPH PETROLEUM COMPANY,L.L.C. 13 mo

2002-10 — 2003-12 ARCADIA EXPL. & PROD. COMPANY 15 mo

2000-06 — 2002-09 VERMILLION PRODUCTION, INC. 28 mo

1993-01 — 2000-05 PEAK ENERGY CORPORATION 89 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
206	42-163-32524	BLACKBRUSH O & G INC.	4	7,975	2007-08-30
206H	42-163-32524	BLACKBRUSH O & G INC.	4	7,975	2007-08-30
204	42-163-32521	BLACKBRUSH O & G LLC	1	8,600	1986-05-06
205	42-163-32520	BLACKBRUSH O & G LLC	1	8,500	1986-05-06