POWELL "9E"

Oil // district 10 // lease#35071

op: VANGUARD PERMIAN, LLC

cum_oil

497k BBL

cum_gas

0 MCF

wells

1

production

1996-09 — 2019-06

peak_month

1998-01

-- production_history

cum_oil: 497,471 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

14,947 BBL/mo

Di (annual)

77.3%

b-factor

0.3

EUR

330,500 BBL

R-squared

0.909

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
63DTREND EXPLORATION COMPANY18,8001996-09-09
EOF // data source: Texas Railroad Commission // 2026