HALL-MANNING

Oil · District 1 · Lease #18030

Operator: MARATHON OIL EF LLC

Cum Oil

561k BBL

Cum Gas

0 MCF

Wells

4

Production

2014-08 — 2026-03

Peak Month

2022-04

Production History

Cum Oil: 560,521 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

33,501 BBL/mo

Di (annual)

355.3%

b-factor

0.8

EUR

402,990 BBL

R-squared

0.911

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC123,0002021-12-10
1HMARATHON OIL EF LLC117,5002014-05-14
2HMARATHON OIL EF LLC117,5002014-05-14
11HMARATHON OIL EF LLC117,5002012-07-02
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