CHALLENGER AC UNIT A

Oil · District 2 · Lease #12193

Operator: MARATHON OIL EF LLC

Cum Oil

538k BBL

Cum Gas

0 MCF

Wells

2

Production

2021-06 — 2026-03

Peak Month

2021-09

Production History

Cum Oil: 538,179 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

67,466 BBL/mo

Di (annual)

843.6%

b-factor

1.2

EUR

878,950 BBL

R-squared

0.921

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC122,0002021-03-23
4HMARATHON OIL EF LLC122,0002021-03-23
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