COWDEN, W. F. -A-

Oil · District 08 · Lease #837

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

489k BBL

Cum Gas

103k MCF

casinghead

Wells

16

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 489,182 BBL Cum Gas: 103,421 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,991 BBL/mo

Di (annual)

17.9%

b-factor

0.9

EUR

434,867 BBL

R-squared

0.829

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 (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
26OCCIDENTAL PERMIAN LTD.25,8002002-10-24
24WOCCIDENTAL PERMIAN LTD.15,8001985-10-22
25OCCIDENTAL PERMIAN LTD.15,8001985-10-22
23OCCIDENTAL PERMIAN LTD.15,8001985-01-28
18WOCCIDENTAL PERMIAN LTD.15,6001984-04-19
20OCCIDENTAL PERMIAN LTD.15,6001984-04-12
21WOCCIDENTAL PERMIAN LTD.15,6001984-04-12
12WOCCIDENTAL PERMIAN LTD.15,3701979-11-29
1042-135-03453OCCIDENTAL PERMIAN LTD.------
1142-135-03452OCCIDENTAL PERMIAN LTD.------
242-135-03459OCCIDENTAL PERMIAN LTD.------
442-135-03457OCCIDENTAL PERMIAN LTD.------
542-135-03450OCCIDENTAL PERMIAN LTD.------
7W42-135-03455OCCIDENTAL PERMIAN LTD.------
842-135-08800OCCIDENTAL PERMIAN LTD.------
9W42-135-03454OCCIDENTAL PERMIAN LTD.------