SHIVERS, J. R. 12

Oil · District 05 · Lease #3188

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

5k BBL

Cum Gas

1k MCF

casinghead

Wells

1

Production

1993-01 — 2012-08

Peak Month

1993-07

Production History

Cum Oil: 4,832 BBL Cum Gas: 1,117 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

105 BBL/mo

Di (annual)

17.7%

b-factor

0.8

EUR

14,537 BBL

R-squared

0.744

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2015-11 UNION OIL COMPANY OF CALIFORNIA 275 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8UNION OIL COMPANY OF CALIFORNIA42,7902005-03-25