COWDEN, FRANK R/A -A-

Oil · District 08 · Lease #831

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

501k BBL

Cum Gas

80k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

1994-08

Production History

Cum Oil: 500,829 BBL Cum Gas: 79,895 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,913 BBL/mo

Di (annual)

14.5%

b-factor

0.5

EUR

508,316 BBL

R-squared

0.831

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 (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
47OCCIDENTAL PERMIAN LTD.25,7001991-02-04
48OCCIDENTAL PERMIAN LTD.15,8001985-10-22
40OCCIDENTAL PERMIAN LTD.16,0001984-05-11
41OCCIDENTAL PERMIAN LTD.15,6001984-04-12
42OCCIDENTAL PERMIAN LTD.15,6001984-04-12
242-003-06277OCCIDENTAL PERMIAN LTD.------
542-003-06281OCCIDENTAL PERMIAN LTD.------