BRACKEN, J. A. 35

Oil · District 05 · Lease #1139

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: VAN

Cum Oil

725k BBL

Cum Gas

323k MCF

casinghead

Wells

13

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 724,939 BBL Cum Gas: 322,610 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,320 BBL/mo

Di (annual)

6.8%

b-factor

0.0

EUR

395,650 BBL

R-squared

0.519

type

exponential

Operator History (from monthly production reports)

2021-01 — 2026-07 BASA RESOURCES, INC. 67 mo
1993-01 — 2020-12 UNION OIL COMPANY OF CALIFORNIA 336 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BASA RESOURCES, INC.23,0002024-12-19
4BASA RESOURCES, INC.22,9972024-08-21
10BASA RESOURCES, INC.43,0122024-07-26
15BASA RESOURCES, INC.34,4002009-01-08
5BASA RESOURCES, INC.12,9961997-02-06
6BASA RESOURCES, INC.12,9861997-02-06
2BASA RESOURCES, INC.13,0021996-05-14
14BASA RESOURCES, INC.13,2501989-12-04
13BASA RESOURCES, INC.13,1501989-05-01
11BASA RESOURCES, INC.13,1001986-12-22
342-467-00630BASA RESOURCES, INC.------
742-467-00623BASA RESOURCES, INC.------
942-467-30024BASA RESOURCES, INC.------