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ASHTON

Oil · District 08 · Lease #31014

Operator: UNION OIL COMPANY OF CALIFORNIA

Fields: DEEP ROCK (PENN.)

Cum Oil

152k BBL

Cum Gas

275k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1994-11

Production History

Cum Oil: 152,320 BBL Cum Gas: 275,308 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,022 BBL/mo

Di (annual)

13.5%

b-factor

0.6

EUR

150,282 BBL

R-squared

0.854

type

hyperbolic

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
442-003-37373MORNINGSTAR OPERATING LLC19,5001993-11-24
2A42-003-35710MORNINGSTAR OPERATING LLC19,7001987-01-13
342-003-35711MORNINGSTAR OPERATING LLC19,7001987-01-13
142-003-35645MORNINGSTAR OPERATING LLC19,7001986-10-09