CHAPMAN-PFEIL 2H PSA

Oil · District 01 · Lease #19696

Operator: MARATHON OIL EF LLC

Cum Oil

247k BBL

Cum Gas

362k MCF

casinghead

Wells

1

Production

2019-03 — 2026-04

Peak Month

2019-07

Production History

Cum Oil: 246,663 BBL Cum Gas: 361,685 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,004 BBL/mo

Di (annual)

92.7%

b-factor

0.0

EUR

246,029 BBL

R-squared

0.637

type

exponential

Operator History (from monthly production reports)

2019-03 — 2026-07 MARATHON OIL EF LLC 89 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC120,0002018-12-31