WITCHER, J. E. -PB-

Oil · District 08 · Lease #1607

Operator: OCCIDENTAL PERMIAN LTD.

Fields: FOSTER

Cum Oil

218k BBL

Cum Gas

54k MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

2001-04

Production History

Cum Oil: 218,411 BBL Cum Gas: 53,746 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,486 BBL/mo

Di (annual)

11.1%

b-factor

0.2

EUR

191,387 BBL

R-squared

0.683

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 (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
26OCCIDENTAL PERMIAN LTD.14,6002001-02-27
27OCCIDENTAL PERMIAN LTD.14,6002001-02-27
28OCCIDENTAL PERMIAN LTD.14,6002001-02-16
24OCCIDENTAL PERMIAN LTD.24,6002000-10-25
25OCCIDENTAL PERMIAN LTD.14,6002000-10-25
1842-135-06846OCCIDENTAL PERMIAN LTD.------
19W42-135-08979OCCIDENTAL PERMIAN LTD.------
2142-135-06848OCCIDENTAL PERMIAN LTD.------
2242-135-08980OCCIDENTAL PERMIAN LTD.------