SWAIN, O. L. 11

Oil · District 05 · Lease #1891

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

47k BBL

Cum Gas

67k MCF

casinghead

Wells

2

Production

1993-01 — 2015-06

Peak Month

1996-07

Production History

Cum Oil: 46,988 BBL Cum Gas: 67,154 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

473 BBL/mo

Di (annual)

99.4%

b-factor

1.5

EUR

36,843 BBL

R-squared

0.727

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2019-02 UNION OIL COMPANY OF CALIFORNIA 314 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16BASA RESOURCES, INC.32,3102002-10-01
842-467-00507UNION OIL COMPANY OF CALIFORNIA------