Y. WITTE-K.LAUBACH PSA

Oil · District 02 · Lease #11812

Operator: MARATHON OIL EF LLC

Cum Oil

303k BBL

Cum Gas

506k MCF

casinghead

Wells

1

Production

2019-07 — 2026-04

Peak Month

2019-11

Production History

Cum Oil: 303,117 BBL Cum Gas: 506,359 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

47,342 BBL/mo

Di (annual)

308.3%

b-factor

0.4

EUR

307,504 BBL

R-squared

0.911

type

hyperbolic

Operator History (from monthly production reports)

2019-07 — 2026-07 MARATHON OIL EF LLC 85 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC221,0002019-06-03