GORDON, A. B. -B-

Oil // district 10 // lease#35534

op: VANGUARD OPERATING, LLC

cum_oil

111k BBL

cum_gas

0 MCF

wells

2

production

1997-08 — 2026-03

peak_month

1997-08

-- production_history

cum_oil: 111,419 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

529 BBL/mo

Di (annual)

4.9%

b-factor

0.0

EUR

117,538 BBL

R-squared

0.314

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
406MR OIL COMPANY44,8001997-08-11
406 TMR OIL COMPANY44,8001997-08-11
EOF // data source: Texas Railroad Commission // 2026