THOMS

Oil · District 01 · Lease #13637

Operator: TEXLARK EXPLORATION COMPANY, INC

Fields: MCCLAIN (BUDA)

Cum Oil

30k BBL

Cum Gas

10k MCF

casinghead

Wells

3

Production

1993-01 — 2000-09

Peak Month

1999-01

Production History

Cum Oil: 29,987 BBL Cum Gas: 9,998 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,123 BBL/mo

Di (annual)

169.9%

b-factor

0.0

EUR

15,015 BBL

R-squared

0.661

type

exponential

Operator History (from monthly production reports)

2000-11 — 2007-07 FIRST ROCK, INC. 81 mo

1997-02 — 2000-10 PEDECO, INC. 45 mo

1996-03 — 1997-01 H&K ENERGY 11 mo

1994-08 — 1996-02 LYNX OIL CO., INC. 19 mo

1993-01 — 1994-07 TEXLARK EXPLORATION COMPANY, INC 19 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
5	42-493-32363	FIRST ROCK INC.	2	9,000	1998-07-13
5BH	42-493-32363	FIRST ROCK INC.	2	9,000	1998-07-13
5H	42-493-32363	FIRST ROCK INC.	2	9,000	1998-07-13