WITTE-MIKKELSON UNIT

Oil · District 2 · Lease #10221

Operator: MARATHON OIL EF LLC

Cum Oil

1.1M BBL

Cum Gas

0 MCF

Wells

4

Production

2012-04 — 2026-03

Peak Month

2013-02

Production History

Cum Oil: 1,092,470 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

30,638 BBL/mo

Di (annual)

118.3%

b-factor

0.9

EUR

1,113,913 BBL

R-squared

0.888

type

hyperbolic

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1WWMARATHON OIL EF LLC15,5002013-03-21
3HMARATHON OIL EF LLC114,5002012-10-25
2HMARATHON OIL EF LLC116,5002012-05-18
1HMARATHON OIL EF LLC115,5002012-03-16
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