COX UNIT -A-

Oil · District 08 · Lease #12406

Operator: UNION OIL COMPANY OF CALIFORNIA

Cum Oil

9k BBL

Cum Gas

14k MCF

casinghead

Wells

4

Production

1993-01 — 1994-10

Peak Month

1993-01

Production History

Cum Oil: 9,371 BBL Cum Gas: 13,856 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,719 BBL/mo

Di (annual)

323.3%

b-factor

0.3

EUR

9,102 BBL

R-squared

0.772

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 1995-12 UNION OIL COMPANY OF CALIFORNIA 36 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2UNION OIL COMPANY OF CALIFORNIA19,0861984-10-10
142-003-07712MORNINGSTAR OPERATING LLC------
342-003-07715MORNINGSTAR OPERATING LLC------
442-003-07716MORNINGSTAR OPERATING LLC------