CHADBOURNE RANCH 469

Oil // district 9 // lease#13618

op: VANGUARD PERMIAN, LLC

cum_oil

3k BBL

cum_gas

0 MCF

wells

1

production

1994-04 — 2026-03

peak_month

1994-05

-- production_history

cum_oil: 2,772 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

662 BBL/mo

Di (annual)

407.1%

b-factor

0.0

EUR

1,969 BBL

R-squared

0.760

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PITTENCRIEFF AMERICA, INC.25,8002000-07-26
EOF // multi-state drilling data platform // 2026