COWDEN, W. F. "C"/DEEP/ R/A -G-

Oil · District 08 · Lease #34828

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

361k BBL

Cum Gas

147k MCF

casinghead

Wells

1

Production

1995-11 — 2026-01

Peak Month

1996-05

Production History

Cum Oil: 360,587 BBL Cum Gas: 147,064 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,527 BBL/mo

Di (annual)

15.1%

b-factor

0.0

EUR

360,073 BBL

R-squared

0.908

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
1995-11 — 1997-02 AMOCO PRODUCTION COMPANY 16 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
73OCCIDENTAL PERMIAN LTD.38,9001995-07-25