SPAHN-MIKKELSON UNIT

Oil · District 2 · Lease #10060

Operator: MARATHON OIL EF LLC

Cum Oil

998k BBL

Cum Gas

0 MCF

Wells

4

Production

2012-05 — 2026-03

Peak Month

2019-11

Production History

Cum Oil: 997,743 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

70,472 BBL/mo

Di (annual)

377.4%

b-factor

0.8

EUR

803,107 BBL

R-squared

0.889

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HMARATHON OIL EF LLC122,0002019-03-19
503HMARATHON OIL EF LLC122,0002019-03-18
2HMARATHON OIL EF LLC214,0002013-02-20
1HMARATHON OIL EF LLC114,5002012-03-27
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