POWELL "21B"

Oil // district 10 // lease#34441

op: VANGUARD PERMIAN, LLC

cum_oil

175k BBL

cum_gas

0 MCF

wells

1

production

1995-03 — 2020-10

peak_month

1995-04

-- production_history

cum_oil: 175,024 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,416 BBL/mo

Di (annual)

22.9%

b-factor

0.0

EUR

179,302 BBL

R-squared

0.757

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
33DTREND EXPLORATION COMPANY18,6001995-02-10
EOF // data source: Texas Railroad Commission // 2026