SIENKIEWICZ UNIT

Oil · District 2 · Lease #10797

Operator: MARATHON OIL EF LLC

Cum Oil

1.1M BBL

Cum Gas

0 MCF

Wells

6

Production

2012-11 — 2026-03

Peak Month

2015-05

Production History

Cum Oil: 1,059,780 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

46,220 BBL/mo

Di (annual)

185.0%

b-factor

0.6

EUR

699,330 BBL

R-squared

0.912

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC319,0002015-09-04
505HMARATHON OIL EF LLC219,5002015-09-04
10HMARATHON OIL EF LLC119,5002014-10-08
503HMARATHON OIL EF LLC119,5002014-10-08
3HMARATHON OIL EF LLC115,5002012-06-07
2HMARATHON OIL EF LLC115,5002012-04-17
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