SWAIN, O. L. 11B

Oil · District 5 · Lease #3274

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

171k BBL

Cum Gas

0 MCF

Wells

7

Production

1993-01 — 2026-03

Peak Month

1994-12

Production History

Cum Oil: 170,767 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

3,187 BBL/mo

Di (annual)

37.4%

b-factor

0.2

EUR

127,749 BBL

R-squared

0.870

type

hyperbolic

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19UNOCAL EXPLORATION CORPORATION22,8002002-01-22
20UNOCAL EXPLORATION CORPORATION22,9002001-12-13
23UNION OIL COMPANY OF CALIFORNIA32,9002001-06-12
4UNION OIL COMPANY OF CALIFORNIA22,9242001-06-12
15UNION OIL COMPANY OF CALIFORNIA22,3152000-10-20
18UNOCAL EXPLORATION CORPORATION23,0901994-11-15
21UNOCAL EXPLORATION CORPORATION12,9001992-01-07
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