< leases

EASTER DEEP

Oil · District 08 · Lease #30431

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: DEEP ROCK (PENN.)

Cum Oil

84k BBL

Cum Gas

151k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1995-04

Production History

Cum Oil: 83,882 BBL Cum Gas: 150,633 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

391 BBL/mo

Di (annual)

5.9%

b-factor

0.0

EUR

75,211 BBL

R-squared

0.537

type

exponential

Operator History (from monthly production reports)

2022-05 — 2026-07 MORNINGSTAR OPERATING LLC 51 mo
2022-01 — 2022-04 MORNINGSTAR PARTNERS, L.P. 4 mo
2006-04 — 2021-12 CHEVRON MIDCONTINENT, L.P. 189 mo
2000-06 — 2006-03 PURE RESOURCES, L.P. 70 mo
1993-01 — 2000-05 UNION OIL COMPANY OF CALIFORNIA 89 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
442-003-35589MORNINGSTAR OPERATING LLC19,6001986-07-14
342-003-35414MORNINGSTAR OPERATING LLC19,6001986-01-27
242-003-35398MORNINGSTAR OPERATING LLC19,6001986-01-20
142-003-35268MORNINGSTAR OPERATING LLC19,4001985-10-24