GARY, J. B. EST. ETAL -B-

Oil // district 3 // lease#550

op: YORK E & P, LLC

fields: BOLING, SOUTH

cum_oil

231k BBL

cum_gas

0 MCF

wells

3

production

1993-01 — 2026-03

peak_month

1998-05

-- production_history

cum_oil: 230,524 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,459 BBL/mo

Di (annual)

19.9%

b-factor

0.1

EUR

164,817 BBL

R-squared

0.668

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3WAGNER, DUER & CO.17,0001998-02-12
142-481-00639--------
2D42-481-00668--------
EOF // data source: Texas Railroad Commission // 2026