SWAIN, W. F. 9

Oil · District 05 · Lease #3597

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

25k BBL

Cum Gas

41k MCF

casinghead

Wells

2

Production

1997-10 — 2000-01

Peak Month

1998-05

Production History

Cum Oil: 25,142 BBL Cum Gas: 40,788 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,108 BBL/mo

Di (annual)

46.9%

b-factor

0.0

EUR

28,341 BBL

R-squared

0.308

type

exponential

Operator History (from monthly production reports)

1997-10 — 2000-04 UNION OIL COMPANY OF CALIFORNIA 31 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13BASA RESOURCES, INC.25,1001997-09-22
13LBASA RESOURCES, INC.25,1001997-09-22