BROWN DUPNIK B-A PSA

Oil · District 02 · Lease #11550

Operator: MARATHON OIL EF LLC

Cum Oil

340k BBL

Cum Gas

605k MCF

casinghead

Wells

1

Production

2018-08 — 2026-04

Peak Month

2019-01

Production History

Cum Oil: 340,032 BBL Cum Gas: 604,801 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,193 BBL/mo

Di (annual)

835.6%

b-factor

0.8

EUR

167,830 BBL

R-squared

0.730

type

hyperbolic

Operator History (from monthly production reports)

2018-08 — 2026-07 MARATHON OIL EF LLC 96 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC120,0002018-04-13