YORK, W. A. 13

Oil · District 05 · Lease #3805

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: VAN (SHALLOW)

Cum Oil

24k BBL

Cum Gas

18k MCF

casinghead

Wells

2

Production

2005-04 — 2015-09

Peak Month

2005-04

Production History

Cum Oil: 24,321 BBL Cum Gas: 18,142 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

599 BBL/mo

Di (annual)

33.6%

b-factor

0.1

EUR

23,691 BBL

R-squared

0.816

type

hyperbolic

Operator History (from monthly production reports)

2005-04 — 2019-04 UNION OIL COMPANY OF CALIFORNIA 169 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17BASA RESOURCES, INC.22,4052005-03-30
14BASA RESOURCES, INC.22,9002005-03-28