HENKE UNIT B

Oil · District 1 · Lease #15598

Operator: MARATHON OIL EF LLC

Cum Oil

917k BBL

Cum Gas

0 MCF

Wells

4

Production

2011-05 — 2026-03

Peak Month

2018-03

Production History

Cum Oil: 917,245 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

47,402 BBL/mo

Di (annual)

184.6%

b-factor

0.6

EUR

718,516 BBL

R-squared

0.844

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC116,7002017-09-06
5HMARATHON OIL EF LLC116,7002017-09-06
6HMARATHON OIL EF LLC116,7002017-09-06
1HHILCORP ENERGY COMPANY113,5002011-02-21
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