COOK, W. H. 42

Oil · District 05 · Lease #3715

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

10k BBL

Cum Gas

14k MCF

casinghead

Wells

3

Production

2001-01 — 2008-05

Peak Month

2001-02

Production History

Cum Oil: 9,932 BBL Cum Gas: 14,415 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

487 BBL/mo

Di (annual)

304.6%

b-factor

1.1

EUR

11,397 BBL

R-squared

0.587

type

hyperbolic

Operator History (from monthly production reports)

2001-01 — 2008-07 UNION OIL COMPANY OF CALIFORNIA 91 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2BASA RESOURCES, INC.12,2002001-02-23
9UNION OIL COMPANY OF CALIFORNIA22,5152001-02-23
10UNION OIL COMPANY OF CALIFORNIA23,3102001-01-16