COWDEN, W. F. -C- UPPER R/A E

Oil · District 08 · Lease #28450

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

44k BBL

Cum Gas

523k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2005-03

Production History

Cum Oil: 44,497 BBL Cum Gas: 522,581 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

389 BBL/mo

Di (annual)

181.8%

b-factor

1.6

EUR

23,502 BBL

R-squared

0.443

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 (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10OCCIDENTAL PERMIAN LTD.28,5362016-12-02