CHAPMAN

Oil · District 4 · Lease #13104

Operator: VENTEX OPERATING CORP.

Cum Oil

141k BBL

Cum Gas

0 MCF

Wells

3

Production

2002-08 — 2024-12

Peak Month

2003-08

Production History

Cum Oil: 140,598 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,180 BBL/mo

Di (annual)

45.7%

b-factor

0.7

EUR

134,256 BBL

R-squared

0.560

type

hyperbolic

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1041VENTEX OPERATING CORP.16,6002004-08-16
5044VENTEX OPERATING CORP.18,0002003-04-17
2VENTEX OPERATING CORP.16,8002002-07-09
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