BRACKEN, J. A. 503

Oil · District 05 · Lease #3675

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

43k BBL

Cum Gas

73k MCF

casinghead

Wells

2

Production

1999-11 — 2026-04

Peak Month

2005-06

Production History

Cum Oil: 43,277 BBL Cum Gas: 72,703 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

535 BBL/mo

Di (annual)

317.3%

b-factor

1.7

EUR

26,112 BBL

R-squared

0.301

type

hyperbolic

Operator History (from monthly production reports)

2021-01 — 2026-07 BASA RESOURCES, INC. 67 mo
1999-11 — 2020-12 UNION OIL COMPANY OF CALIFORNIA 254 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13BASA RESOURCES, INC.23,0572005-03-28
10BASA RESOURCES, INC.33,1001999-09-22