HARTMAN-RIPPSTEIN MIKKELSON SA1

Oil · District 02 · Lease #12829

Operator: MARATHON OIL EF LLC

Cum Oil

310k BBL

Cum Gas

395k MCF

casinghead

Wells

1

Production

2024-08 — 2026-04

Peak Month

2024-09

Production History

Cum Oil: 309,633 BBL Cum Gas: 395,270 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

41,750 BBL/mo

Di (annual)

384.2%

b-factor

0.9

EUR

569,969 BBL

R-squared

0.954

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 MARATHON OIL EF LLC 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC122,0002024-04-24