SCHROEDER-CHAPMAN UNIT

Oil · District 1 · Lease #15555

Operator: MARATHON OIL EF LLC

Cum Oil

786k BBL

Cum Gas

0 MCF

Wells

5

Production

2011-07 — 2026-03

Peak Month

2022-07

Production History

Cum Oil: 785,862 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

36,691 BBL/mo

Di (annual)

192.5%

b-factor

0.4

EUR

380,204 BBL

R-squared

0.901

type

hyperbolic

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC123,0002021-04-30
5HMARATHON OIL EF LLC123,0002021-04-30
3HMARATHON OIL EF LLC115,0002012-06-06
2HMARATHON OIL EF LLC114,5002012-05-25
1HHILCORP ENERGY COMPANY113,5002011-05-19
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