FOSTER, F.

Oil · District 08 · Lease #1581

Operator: OCCIDENTAL PERMIAN LTD.

Fields: FOSTER

Cum Oil

611k BBL

Cum Gas

264k MCF

casinghead

Wells

21

Production

1993-01 — 2026-04

Peak Month

2007-04

Production History

Cum Oil: 610,714 BBL Cum Gas: 264,131 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,073 BBL/mo

Di (annual)

37.4%

b-factor

0.6

EUR

525,299 BBL

R-squared

0.875

type

hyperbolic

Operator History (from monthly production reports)

2000-05 — 2026-07 OCCIDENTAL PERMIAN LTD. 315 mo
1997-03 — 2000-04 ALTURA ENERGY LTD. 38 mo
1993-01 — 1997-02 AMOCO PRODUCTION COMPANY 50 mo

Wells (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18OCCIDENTAL PERMIAN LTD.14,6002011-07-25
19OCCIDENTAL PERMIAN LTD.14,6002011-07-25
3WOCCIDENTAL PERMIAN LTD.14,6002007-02-12
3WIOCCIDENTAL PERMIAN LTD.14,6002007-02-12
4OCCIDENTAL PERMIAN LTD.14,6002007-02-10
4WOCCIDENTAL PERMIAN LTD.14,6002007-02-10
15OCCIDENTAL PERMIAN LTD.14,6002007-02-07
14OCCIDENTAL PERMIAN LTD.14,6002007-01-30
13OCCIDENTAL PERMIAN LTD.14,6002007-01-09
16OCCIDENTAL PERMIAN LTD.14,6002007-01-09
17OCCIDENTAL PERMIAN LTD.14,6002007-01-09
142-135-04773OCCIDENTAL PERMIAN LTD.------
10W42-135-04783OCCIDENTAL PERMIAN LTD.------
1142-135-04782OCCIDENTAL PERMIAN LTD.------
1242-135-30762OCCIDENTAL PERMIAN LTD.------
2W42-135-04774OCCIDENTAL PERMIAN LTD.------
542-135-04777OCCIDENTAL PERMIAN LTD.------
6W42-135-04778OCCIDENTAL PERMIAN LTD.------
742-135-04779OCCIDENTAL PERMIAN LTD.------
8W42-135-04780OCCIDENTAL PERMIAN LTD.------
942-135-04781OCCIDENTAL PERMIAN LTD.------