MARATHON

Oil · District 8A · Lease #60897

Operator: MORNINGSTAR PARTNERS, L.P.

Cum Oil

492k BBL

Cum Gas

34k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1998-07

Production History

Cum Oil: 492,203 BBL Cum Gas: 33,518 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,962 BBL/mo

Di (annual)

4.0%

b-factor

0.0

EUR

513,105 BBL

R-squared

0.663

type

exponential

Operator History (from monthly production reports)

2022-05 — 2026-07 MORNINGSTAR OPERATING LLC 51 mo
2022-02 — 2022-04 MORNINGSTAR PARTNERS, L.P. 3 mo
1993-07 — 2022-01 KAISER-FRANCIS OIL COMPANY 343 mo
1993-01 — 1993-06 MGF OIL CORPORATION 6 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4MORNINGSTAR OPERATING LLC39,0002008-07-14
142-501-30536MORNINGSTAR OPERATING LLC------
242-501-30711MORNINGSTAR OPERATING LLC------
342-501-30710MORNINGSTAR OPERATING LLC------