SWAIN, O. L. 11 AC

Oil · District 05 · Lease #3740

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: VAN (SHALLOW)

Cum Oil

44k BBL

Cum Gas

55k MCF

casinghead

Wells

1

Production

2002-08 — 2026-04

Peak Month

2002-10

Production History

Cum Oil: 43,636 BBL Cum Gas: 55,494 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

324 BBL/mo

Di (annual)

9.4%

b-factor

0.0

EUR

40,803 BBL

R-squared

0.662

type

exponential

Operator History (from monthly production reports)

2021-01 — 2026-07 BASA RESOURCES, INC. 67 mo
2002-08 — 2020-12 UNION OIL COMPANY OF CALIFORNIA 221 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16BASA RESOURCES, INC.32,3102002-10-01