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

Oil · District 08 · Lease #21367

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

141k BBL

Cum Gas

139k MCF

casinghead

Wells

21

Production

1993-01 — 2026-04

Peak Month

1993-08

Production History

Cum Oil: 141,352 BBL Cum Gas: 138,749 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,182 BBL/mo

Di (annual)

22.5%

b-factor

0.6

EUR

117,184 BBL

R-squared

0.535

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 (21)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
76OCCIDENTAL PERMIAN LTD.15,0002017-12-15
75OCCIDENTAL PERMIAN LTD.26,5002017-09-28
11OCCIDENTAL PERMIAN LTD.36,6002016-11-04
12OCCIDENTAL PERMIAN LTD.48,3362016-11-04
74OCCIDENTAL PERMIAN LTD.15,0002016-11-03
73OCCIDENTAL PERMIAN LTD.26,6002015-10-12
20OCCIDENTAL PERMIAN LTD.28,3801996-02-08
31OCCIDENTAL PERMIAN LTD.26,3321995-05-26
24OCCIDENTAL PERMIAN LTD.28,1931995-03-24
71WOCCIDENTAL PERMIAN LTD.44,7501994-02-17
72WOCCIDENTAL PERMIAN LTD.24,7501994-02-10
70WOCCIDENTAL PERMIAN LTD.14,7501984-10-12
25OCCIDENTAL PERMIAN LTD.18,2611983-05-06
56WOCCIDENTAL PERMIAN LTD.14,5001979-02-16
57WOCCIDENTAL PERMIAN LTD.14,5001979-02-16
60WOCCIDENTAL PERMIAN LTD.14,5001979-01-24
28 U42-135-03412OCCIDENTAL PERMIAN LTD.------
4342-135-10141OCCIDENTAL PERMIAN LTD.------
4442-135-20337OCCIDENTAL PERMIAN LTD.------
4642-135-10222OCCIDENTAL PERMIAN LTD.------
5242-135-10188OCCIDENTAL PERMIAN LTD.------