WITCHER, J. E.

Oil · District 08 · Lease #21463

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

474k BBL

Cum Gas

461k MCF

casinghead

Wells

13

Production

1993-01 — 2026-04

Peak Month

1993-04

Production History

Cum Oil: 474,319 BBL Cum Gas: 461,135 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,246 BBL/mo

Di (annual)

19.6%

b-factor

0.3

EUR

439,830 BBL

R-squared

0.921

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 (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
84WOCCIDENTAL PERMIAN LTD.29,6002020-03-04
79OCCIDENTAL PERMIAN LTD.19,4001985-06-07
81OCCIDENTAL PERMIAN LTD.19,6001984-04-30
80OCCIDENTAL PERMIAN LTD.19,2001984-01-23
78OCCIDENTAL PERMIAN LTD.19,2001983-07-26
76OCCIDENTAL PERMIAN LTD.19,8001982-08-04
69OCCIDENTAL PERMIAN LTD.19,0001982-06-25
75OCCIDENTAL PERMIAN LTD.111,4001980-04-28
50W42-135-30261OCCIDENTAL PERMIAN LTD.------
5142-135-30328OCCIDENTAL PERMIAN LTD.------
5942-135-30338OCCIDENTAL PERMIAN LTD.------
6742-135-31086OCCIDENTAL PERMIAN LTD.------
68D42-135-31190OCCIDENTAL PERMIAN LTD.------