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

Oil · District 08 · Lease #21369

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

121k BBL

Cum Gas

74k MCF

casinghead

Wells

5

Production

1993-01 — 2010-09

Peak Month

1997-05

Production History

Cum Oil: 121,406 BBL Cum Gas: 74,162 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,092 BBL/mo

Di (annual)

11.4%

b-factor

0.0

EUR

114,587 BBL

R-squared

0.684

type

exponential

Operator History (from monthly production reports)

2000-05 — 2015-06 OCCIDENTAL PERMIAN LTD. 182 mo
1997-03 — 2000-04 ALTURA ENERGY LTD. 38 mo
1993-01 — 1997-02 AMOCO PRODUCTION COMPANY 50 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
66OCCIDENTAL PERMIAN LTD.14,5001979-02-19
63WOCCIDENTAL PERMIAN LTD.14,5001979-01-24
64WOCCIDENTAL PERMIAN LTD.14,5001979-01-24
4742-135-10014OCCIDENTAL PERMIAN LTD.------
51W42-135-10054OCCIDENTAL PERMIAN LTD.------