ZAVISCH -A-

Oil · District 1 · Lease #14506

Operator: WELHAUSEN OPERATING COMPANY, LP

Cum Oil

250k BBL

Cum Gas

0 MCF

Wells

9

Production

2004-01 — 2026-03

Peak Month

2007-08

Production History

Cum Oil: 250,181 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,249 BBL/mo

Di (annual)

14.8%

b-factor

0.0

EUR

182,520 BBL

R-squared

0.323

type

exponential

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
A 14WAPITI OPERATING, LLC111,5002013-09-17
15LAYLINE PETROLEUM I, LLC110,8002013-04-22
11LAYLINE PETROLEUM I, LLC110,8002013-04-15
12LAYLINE PETROLEUM I, LLC110,8002013-01-11
A 10WELHAUSEN OPERATING COMPANY, LP111,0002006-03-29
A 6WELHAUSEN OPERATING COMPANY, LP110,5002006-01-20
A 8WELHAUSEN OPERATING COMPANY, LP110,5002006-01-20
A 9WELHAUSEN OPERATING COMPANY, LP110,5002006-01-20
7WELHAUSEN OPERATING COMPANY, LP110,5002003-12-09
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