WITCHER, J. E. -C-

Oil · District 08 · Lease #1605

Operator: OCCIDENTAL PERMIAN LTD.

Fields: FOSTER

Cum Oil

629k BBL

Cum Gas

178k MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

2001-03

Production History

Cum Oil: 628,876 BBL Cum Gas: 178,316 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,714 BBL/mo

Di (annual)

13.9%

b-factor

0.0

EUR

578,794 BBL

R-squared

0.919

type

exponential

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 (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10OCCIDENTAL PERMIAN LTD.14,6002001-08-14
7OCCIDENTAL PERMIAN LTD.14,6002001-01-26
8OCCIDENTAL PERMIAN LTD.14,6002001-01-26
9OCCIDENTAL PERMIAN LTD.14,6002001-01-26
6OCCIDENTAL PERMIAN LTD.24,6002001-01-05
5OCCIDENTAL PERMIAN LTD.14,6002000-11-06
242-135-06890OCCIDENTAL PERMIAN LTD.------
342-135-06891OCCIDENTAL PERMIAN LTD.------
4W42-135-06892OCCIDENTAL PERMIAN LTD.------