BRACKEN, J. A. 503

Oil · District 05 · Lease #3733

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: VAN (SHALLOW)

Cum Oil

58k BBL

Cum Gas

48k MCF

casinghead

Wells

5

Production

2002-02 — 2026-04

Peak Month

2004-07

Production History

Cum Oil: 58,343 BBL Cum Gas: 47,727 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,097 BBL/mo

Di (annual)

169.1%

b-factor

1.1

EUR

39,812 BBL

R-squared

0.753

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2026-07 BASA RESOURCES, INC. 67 mo
2002-02 — 2020-12 UNION OIL COMPANY OF CALIFORNIA 227 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16BASA RESOURCES, INC.32,9002003-04-04
8BASA RESOURCES, INC.22,5002003-03-07
12BASA RESOURCES, INC.22,4802002-07-18
15BASA RESOURCES, INC.32,9002002-04-08
9BASA RESOURCES, INC.43,1902002-02-14