RSW-MIKKELSON-ROGERS SA

Oil · District 02 · Lease #11875

Operator: MARATHON OIL EF LLC

Cum Oil

221k BBL

Cum Gas

339k MCF

casinghead

Wells

1

Production

2019-10 — 2026-04

Peak Month

2020-01

Production History

Cum Oil: 220,977 BBL Cum Gas: 338,917 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,457 BBL/mo

Di (annual)

294.9%

b-factor

0.6

EUR

130,307 BBL

R-squared

0.396

type

hyperbolic

Operator History (from monthly production reports)

2019-10 — 2026-07 MARATHON OIL EF LLC 82 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC122,0002019-09-27