FOSTER, H. S., -B-

Oil · District 08 · Lease #16912

Operator: WESTPORT OIL AND GAS COMPANY, LP

Fields: COWDEN, SOUTH

Cum Oil

97k BBL

Cum Gas

17k MCF

casinghead

Wells

6

Production

1993-01 — 2025-11

Peak Month

1993-08

Production History

Cum Oil: 96,736 BBL Cum Gas: 16,789 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

423 BBL/mo

Di (annual)

5.6%

b-factor

0.0

EUR

85,693 BBL

R-squared

0.543

type

exponential

Operator History (from monthly production reports)

2008-03 — 2026-07 OXY USA INC. 221 mo

2004-05 — 2008-02 LATIGO PETROLEUM TEXAS, LP 46 mo

2002-06 — 2004-04 SAGA PET. LTD LIABILITY CO OF CO 23 mo

2002-03 — 2002-05 WESTPORT OIL AND GAS COMPANY, LP 3 mo

1998-09 — 2002-02 BELCO ENERGY CORP. 42 mo

1998-03 — 1998-08 CODA ENERGY, INC. 6 mo

1996-02 — 1998-02 ENERVEST OPERATING, L.L.C. 25 mo

1993-01 — 1996-01 CONOCO INC. 37 mo

Wells (6)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
6W	42-135-35304	OXY USA INC.	1	4,900	1986-05-13
7W	42-135-35307	OXY USA INC.	1	4,925	1986-05-13
5W	42-135-33224	OXY USA INC.	1	4,950	1979-09-25
1	42-135-04716	OXY USA INC.	--	--	--
3W	42-135-31841	OXY USA INC.	--	--	--
4	42-135-32179	OXY USA INC.	--	--	--