COOPER "B" 35

Oil // district 10 // lease#34461

op: VANGUARD PERMIAN, LLC

cum_oil

185k BBL

cum_gas

0 MCF

wells

1

production

1995-04 — 2025-07

peak_month

1995-05

-- production_history

cum_oil: 185,030 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

5,056 BBL/mo

Di (annual)

211.2%

b-factor

0.8

EUR

96,474 BBL

R-squared

0.651

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TREND EXPLORATION COMPANY18,6001995-03-07
EOF // data source: Texas Railroad Commission // 2026