UNIVERSITY -5-

Oil · District 08 · Lease #31980

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: BAKKE (PENN.)

Cum Oil

79k BBL

Cum Gas

276k MCF

casinghead

Wells

1

Production

1993-01 — 2004-02

Peak Month

1993-04

Production History

Cum Oil: 79,407 BBL Cum Gas: 275,589 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,149 BBL/mo

Di (annual)

35.2%

b-factor

1.3

EUR

140,950 BBL

R-squared

0.329

type

hyperbolic

Operator History (from monthly production reports)

2000-06 — 2004-08 PURE RESOURCES, L.P. 51 mo
1993-01 — 2000-05 UNION OIL COMPANY OF CALIFORNIA 89 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MORNINGSTAR OPERATING LLC19,5001980-01-04