WITCHER, J. E. -PA-

Oil · District 08 · Lease #1606

Operator: OCCIDENTAL PERMIAN LTD.

Fields: FOSTER

Cum Oil

377k BBL

Cum Gas

88k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

2002-01

Production History

Cum Oil: 376,926 BBL Cum Gas: 88,306 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,644 BBL/mo

Di (annual)

13.5%

b-factor

0.0

EUR

322,878 BBL

R-squared

0.773

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 (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18OCCIDENTAL PERMIAN LTD.14,6002011-06-24
17OCCIDENTAL PERMIAN LTD.14,6002001-08-14
16OCCIDENTAL PERMIAN LTD.14,6002001-02-07
15OCCIDENTAL PERMIAN LTD.14,6002000-11-06
12W42-135-06840OCCIDENTAL PERMIAN LTD.------
1342-135-06841OCCIDENTAL PERMIAN LTD.------
1442-135-06842OCCIDENTAL PERMIAN LTD.------