CHESTER

Oil · District 03 · Lease #22428

Operator: MARATHON OIL COMPANY

Cum Oil

280k BBL

Cum Gas

721k MCF

casinghead

Wells

1

Production

1994-05 — 2026-04

Peak Month

1994-05

Production History

Cum Oil: 279,748 BBL Cum Gas: 720,858 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,033 BBL/mo

Di (annual)

33.8%

b-factor

0.7

EUR

238,578 BBL

R-squared

0.705

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MAGNOLIA OIL & GAS OPERATING LLC 96 mo
2009-09 — 2018-07 ENERVEST OPERATING, L.L.C. 107 mo
1994-05 — 2009-08 MARATHON OIL COMPANY 184 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MAGNOLIA OIL & GAS OPERATING LLC111,4001994-03-15