SWAIN, O. L. 11

Oil · District 5 · Lease #2088

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: VAN

Cum Oil

893k BBL

Cum Gas

0 MCF

Wells

11

Production

1993-01 — 2026-03

Peak Month

2001-10

Production History

Cum Oil: 893,074 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,604 BBL/mo

Di (annual)

3.3%

b-factor

0.0

EUR

766,183 BBL

R-squared

0.446

type

exponential

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7UNION OIL COMPANY OF CALIFORNIA12,9222002-08-12
23UNION OIL COMPANY OF CALIFORNIA32,9002001-06-12
4UNION OIL COMPANY OF CALIFORNIA22,9242001-06-12
18UNOCAL EXPLORATION CORPORATION23,0901994-11-15
22UNION OIL COMPANY OF CALIFORNIA23,0001993-11-16
17UNION EXPL. PARTNERS, LTD.22,9401989-07-19
14UNION EXPL. PARTNERS, LTD.43,0501988-06-02
13UNION EXPL. PARTNERS, LTD.12,8001988-02-08
11UNION OIL COMPANY OF CALIFORNIA13,0601985-07-25
10UNION OIL COMPANY OF CALIFORNIA12,9501978-01-16
242-467-00517--------
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