SMITH-EAST UNIT

Oil · District 02 · Lease #10610

Operator: MARATHON OIL EF LLC

Cum Oil

520k BBL

Cum Gas

1.0M MCF

casinghead

Wells

4

Production

2013-05 — 2026-04

Peak Month

2013-10

Production History

Cum Oil: 520,396 BBL Cum Gas: 1,006,170 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,184 BBL/mo

Di (annual)

260.0%

b-factor

0.7

EUR

477,130 BBL

R-squared

0.848

type

hyperbolic

Operator History (from monthly production reports)

2013-05 — 2026-07 MARATHON OIL EF LLC 159 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HMARATHON OIL EF LLC217,2002013-03-20
2HMARATHON OIL EF LLC217,2002013-03-20
3HMARATHON OIL EF LLC217,2002013-03-20
4HMARATHON OIL EF LLC217,2002013-03-20