VAUGHN, JOHN TROY "D"

Oil // district 9 // lease#6683

op: UPTEX OPERATING, L.P.

cum_oil

38k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1995-11

-- production_history

cum_oil: 37,826 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

335 BBL/mo

Di (annual)

15.9%

b-factor

0.0

EUR

25,252 BBL

R-squared

0.569

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4F & S PETROLEUM, L.L.C.13,8002007-11-13
142-327-10202--------
242-327-20001--------
342-327-20006--------
EOF // data source: Texas Railroad Commission // 2026