BARKER HEIRS #1

Oil // district 3 // lease#20038

op: TEXAS VANGUARD OIL COMPANY

cum_oil

2k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2003-08

peak_month

1993-08

-- production_history

cum_oil: 1,701 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

32 BBL/mo

Di (annual)

72.5%

b-factor

0.0

EUR

517 BBL

R-squared

0.342

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SIERRA MINERALS, INC.15,3501987-07-16
EOF // multi-state drilling data platform // 2026