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

Oil · District 08 · Lease #21366

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

60k BBL

Cum Gas

41k MCF

casinghead

Wells

4

Production

1993-01 — 1998-11

Peak Month

1994-08

Production History

Cum Oil: 59,757 BBL Cum Gas: 41,092 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,422 BBL/mo

Di (annual)

28.3%

b-factor

0.0

EUR

60,173 BBL

R-squared

0.666

type

exponential

Operator History (from monthly production reports)

2000-05 — 2024-04 OCCIDENTAL PERMIAN LTD. 288 mo
1997-03 — 2000-04 ALTURA ENERGY LTD. 38 mo
1993-01 — 1997-02 AMOCO PRODUCTION COMPANY 50 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
65WOCCIDENTAL PERMIAN LTD.14,5001979-02-16
67OCCIDENTAL PERMIAN LTD.14,5001979-02-16
45W42-135-10229OCCIDENTAL PERMIAN LTD.------
4842-135-10339OCCIDENTAL PERMIAN LTD.------