TRUST "139"

Oil // district 8 // lease#27480

op: VAN OPERATING, LTD.

cum_oil

18k BBL

cum_gas

0 MCF

wells

1

production

1995-02 — 1999-12

peak_month

1995-05

-- production_history

cum_oil: 18,270 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

985 BBL/mo

Di (annual)

113.0%

b-factor

0.5

EUR

20,205 BBL

R-squared

0.783

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1VAN OPERATING, LTD.35,0001999-10-21
EOF // data source: Texas Railroad Commission // 2026