CHAPMAN

Oil · District 4 · Lease #13487

Operator: VENTEX OPERATING CORP.

Cum Oil

51k BBL

Cum Gas

0 MCF

Wells

2

Production

2008-03 — 2022-07

Peak Month

2015-08

Production History

Cum Oil: 51,377 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

845 BBL/mo

Di (annual)

60.9%

b-factor

0.1

EUR

18,470 BBL

R-squared

0.906

type

hyperbolic

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3044VENTEX OPERATING CORP.212,5002013-07-10
8044VENTEX OPERATING CORP.314,5002008-05-01
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