SAND HILLS TUBB UNIT

Oil // district 10 // lease#37794

op: VANGUARD PERMIAN, LLC

cum_oil

11k BBL

cum_gas

0 MCF

wells

1

production

2006-07 — 2026-03

peak_month

2009-12

-- production_history

cum_oil: 10,572 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

132 BBL/mo

Di (annual)

19.6%

b-factor

0.0

EUR

8,024 BBL

R-squared

0.709

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9ENCORE OPERATING, L.P.14,6912005-08-15
EOF // multi-state drilling data platform // 2026