< leases

CROSBY STATE

Oil · District 08 · Lease #31405

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: DEEP ROCK (PENN.)

Cum Oil

98k BBL

Cum Gas

112k MCF

casinghead

Wells

3

Production

1993-01 — 2025-07

Peak Month

1995-01

Production History

Cum Oil: 97,750 BBL Cum Gas: 112,176 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

751 BBL/mo

Di (annual)

9.5%

b-factor

0.0

EUR

93,829 BBL

R-squared

0.758

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 (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-003-36091MORNINGSTAR OPERATING LLC19,7001988-03-16
242-003-36007MORNINGSTAR OPERATING LLC19,7001988-01-07
142-003-35831MORNINGSTAR OPERATING LLC19,5251987-06-11