URRUTIA UNIT

Oil · District 2 · Lease #10915

Operator: MARATHON OIL EF LLC

Cum Oil

977k BBL

Cum Gas

0 MCF

Wells

5

Production

2014-08 — 2026-03

Peak Month

2016-04

Production History

Cum Oil: 976,830 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

26,458 BBL/mo

Di (annual)

67.8%

b-factor

0.2

EUR

584,916 BBL

R-squared

0.770

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
504HMARATHON OIL EF LLC219,8002015-08-17
6HMARATHON OIL EF LLC219,8002015-08-17
302HMARATHON OIL EF LLC219,8002015-05-27
8HMARATHON OIL EF LLC119,6002014-05-17
2HMARATHON OIL EF LLC219,1002014-03-17
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