TUNNELL, A. G. 8

Oil · District 05 · Lease #1923

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

8k BBL

Cum Gas

457 MCF

casinghead

Wells

1

Production

1993-01 — 2008-01

Peak Month

1996-04

Production History

Cum Oil: 8,089 BBL Cum Gas: 457 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

103 BBL/mo

Di (annual)

22.3%

b-factor

0.0

EUR

5,471 BBL

R-squared

0.528

type

exponential

Operator History (from monthly production reports)

1993-01 — 2008-12 UNION OIL COMPANY OF CALIFORNIA 192 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2UNION OIL COMPANY OF CALIFORNIA12,7501988-12-21