WALTON ESTATE "A"

Oil // district 10 // lease#23838

op: SMITH & MARRS INC.

cum_oil

13k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1996-10

-- production_history

cum_oil: 13,107 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

103 BBL/mo

Di (annual)

9.8%

b-factor

0.0

EUR

12,434 BBL

R-squared

0.449

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5HALLWOOD PETROLEUM, INC.25,5002009-08-04
4HALLWOOD PETROLEUM, INC.15,3001995-12-12
2HALLWOOD PETROLEUM, INC.15,3001995-11-15
342-495-30395--------
EOF // multi-state drilling data platform // 2026