FOSTER, H. S.

Oil · District 08 · Lease #10877

Operator: WHITFIELD ENERGY

Fields: COWDEN, SOUTH

Cum Oil

206k BBL

Cum Gas

197k MCF

casinghead

Wells

6

Production

1993-01 — 2026-04

Peak Month

2012-03

Production History

Cum Oil: 205,867 BBL Cum Gas: 197,448 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,564 BBL/mo

Di (annual)

159.3%

b-factor

0.9

EUR

130,270 BBL

R-squared

0.929

type

hyperbolic

Operator History (from monthly production reports)

2009-05 — 2026-07 PAR DEVELOPMENT 207 mo

2008-01 — 2009-04 TURRENTINE OIL & GAS, INC. 16 mo

2006-01 — 2007-12 TRIPP & SONS, LLC 24 mo

2005-02 — 2005-12 PHARAOH OIL & GAS, INC. 11 mo

2004-04 — 2005-01 TRIPP & SONS, LLC 10 mo

1999-04 — 2004-03 PHARAOH OIL & GAS, INC. 60 mo

1999-02 — 1999-03 EXTEX OPERATING COMPANY 2 mo

1997-02 — 1999-01 WHITFIELD ENERGY 24 mo

1993-01 — 1997-01 REEVES COUNTY SYSTEMS, INC. 49 mo

Wells (6)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
7	42-135-40602	PAR DEVELOPMENT	1	4,800	2010-10-18
5	42-135-39649	PAR DEVELOPMENT	2	4,700	2008-11-19
1W	42-135-08494	PAR DEVELOPMENT	--	--	--
2	42-135-04905	PAR DEVELOPMENT	--	--	--
4	42-135-10641	PAR DEVELOPMENT	--	--	--
4W	42-135-10641	PAR DEVELOPMENT	--	--	--