PFEIFER-BELL UNIT

Oil · District 2 · Lease #9978

Operator: MARATHON OIL EF LLC

Cum Oil

1.2M BBL

Cum Gas

0 MCF

Wells

5

Production

2012-03 — 2026-03

Peak Month

2013-11

Production History

Cum Oil: 1,183,780 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

38,865 BBL/mo

Di (annual)

262.4%

b-factor

1.1

EUR

1,017,990 BBL

R-squared

0.771

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HMARATHON OIL EF LLC118,0002013-06-19
4HMARATHON OIL EF LLC218,0002012-08-09
2HMARATHON OIL EF LLC218,5002012-08-06
3HMARATHON OIL EF LLC218,0002012-08-06
1HMARATHON OIL EF LLC115,8092012-01-09
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