UPSHAW, T. A.

Oil · District 7B · Lease #4441

Operator: WILLIAMS, A. OIL

Fields: UPSHAW (CANYON SAND 4500)

Cum Oil

59k BBL

Cum Gas

50k MCF

casinghead

Wells

2

Production

1993-01 — 2026-03

Peak Month

2006-04

Production History

Cum Oil: 59,147 BBL Cum Gas: 50,064 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

448 BBL/mo

Di (annual)

15.6%

b-factor

0.0

EUR

34,328 BBL

R-squared

0.717

type

exponential

Operator History (from monthly production reports)

2018-11 — 2026-07 WILLIAMS, A. OIL 93 mo

2011-06 — 2018-10 J V A OPERATING COMPANY, INC. 89 mo

2005-01 — 2011-05 MINERAL TECHNOLOGIES, INC. 77 mo

2002-07 — 2004-12 TCF ENERGY, INC. 30 mo

2002-01 — 2002-06 MINERAL TECHNOLOGIES, INC. 6 mo

1999-09 — 2001-12 ECLIPSE OIL & GAS, INC. 28 mo

1997-01 — 1999-08 BRISTOL RESOURCES CORPORATION 32 mo

1995-03 — 1996-12 APACHE CORPORATION 22 mo

1993-01 — 1995-02 TEXACO E & P INC. 26 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-433-01273	WILLIAMS, A. OIL	1	4,824	2005-07-25
4	42-433-01285	WILLIAMS, A. OIL	--	--	--