SALGE UNIT

Oil · District 02 · Lease #9807

Operator: MARATHON OIL EF LLC

Cum Oil

804k BBL

Cum Gas

1.4M MCF

casinghead

Wells

3

Production

2011-04 — 2026-04

Peak Month

2022-09

Production History

Cum Oil: 803,908 BBL Cum Gas: 1,383,148 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,130 BBL/mo

Di (annual)

474.8%

b-factor

1.2

EUR

498,367 BBL

R-squared

0.884

type

hyperbolic

Operator History (from monthly production reports)

2011-11 — 2026-07 MARATHON OIL EF LLC 177 mo
2011-04 — 2011-10 HILCORP ENERGY COMPANY 7 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
501HMARATHON OIL EF LLC122,0002021-09-09
4HMARATHON OIL EF LLC118,4002013-03-14
1HMARATHON OIL EF LLC113,5002011-01-14