HARDBERGER

Oil · District 11 · Lease #67625

Operator: VANGUARD PERMIAN, LLC

Cum Oil

1.7M BBL

Cum Gas

0 MCF

Wells

4

Production

1996-10 — 2026-03

Peak Month

2002-07

Production History

Cum Oil: 1,656,329 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

15,145 BBL/mo

Di (annual)

19.7%

b-factor

0.0

EUR

921,335 BBL

R-squared

0.857

type

exponential

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ENCORE OPERATING, L.P.111,5002004-06-08
3HOME-STAKE OIL & GAS COMPANY111,5002000-06-20
2HOME-STAKE OIL & GAS COMPANY111,5002000-01-27
1HOME-STAKE ROYALTY CORP., THE112,8001996-07-15
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