HARDBERGER

Oil // district 11 // lease#67625

op: 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
EOF // multi-state drilling data platform // 2026