RIPPSTEIN-GOTTHARDT UNIT

Oil · District 2 · Lease #9923

Operator: MARATHON OIL EF LLC

Cum Oil

2.0M BBL

Cum Gas

0 MCF

Wells

10

Production

2012-02 — 2026-03

Peak Month

2016-09

Production History

Cum Oil: 1,998,331 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

58,282 BBL/mo

Di (annual)

264.3%

b-factor

1.3

EUR

2,015,202 BBL

R-squared

0.440

type

hyperbolic

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
505HMARATHON OIL EF LLC222,0002020-09-01
503HMARATHON OIL EF LLC118,5002016-02-04
4HMARATHON OIL EF LLC218,5002016-02-01
504HMARATHON OIL EF LLC118,5002016-02-01
5HMARATHON OIL EF LLC118,5002016-02-01
2HMARATHON OIL EF LLC119,0002015-10-19
3HMARATHON OIL EF LLC119,0002015-10-19
501HMARATHON OIL EF LLC119,0002015-10-19
502HMARATHON OIL EF LLC119,0002015-10-19
1HHILCORP ENERGY COMPANY113,5002011-10-20
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