POWELL "2D"

Oil // district 10 // lease#35745

op: VANGUARD PERMIAN, LLC

cum_oil

73k BBL

cum_gas

0 MCF

wells

1

production

1998-02 — 2019-07

peak_month

1998-07

-- production_history

cum_oil: 72,808 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,707 BBL/mo

Di (annual)

405.3%

b-factor

0.6

EUR

47,819 BBL

R-squared

0.935

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
43DTREND EXPLORATION COMPANY18,8001998-01-26
EOF // data source: Texas Railroad Commission // 2026