FOSTER, H. S., -A-

Oil · District 08 · Lease #16154

Operator: WESTPORT OIL AND GAS COMPANY, LP

Fields: COWDEN, SOUTH

Cum Oil

201k BBL

Cum Gas

21k MCF

casinghead

Wells

19

Production

1993-01 — 2026-04

Peak Month

2004-07

Production History

Cum Oil: 200,885 BBL Cum Gas: 21,339 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,161 BBL/mo

Di (annual)

15.9%

b-factor

0.0

EUR

87,786 BBL

R-squared

0.562

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 (19)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
67OXY USA INC.15,5002005-10-26
61OXY USA INC.25,5002005-10-24
23WOXY USA INC.14,9501988-02-22
24WOXY USA INC.14,9501988-02-22
25WOXY USA INC.14,9501988-02-22
26OXY USA INC.24,9501988-02-22
21WOXY USA INC.14,9001986-05-13
22WOXY USA INC.14,9001986-05-13
20OXY USA INC.14,9001985-12-09
19OXY USA INC.19,0921980-04-03
18WOXY USA INC.14,9501979-09-25
17OXY USA INC.14,9501978-10-02
16OXY USA INC.14,9001977-11-09
15OXY USA INC.14,9001977-11-02
13OXY USA INC.14,9001977-09-06
14OXY USA INC.14,9501977-09-06
12W42-135-31840OXY USA INC.------
342-135-04714OXY USA INC.------
442-135-04715OXY USA INC.------