MACKEY HEIRS 'J'

Oil // district 6 // lease#15395

op: DALLAS PRODUCTION, INC.

cum_oil

14k BBL

cum_gas

0 MCF

wells

1

production

2014-01 — 2026-03

peak_month

2014-04

-- production_history

cum_oil: 13,579 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

194 BBL/mo

Di (annual)

17.6%

b-factor

0.3

EUR

17,954 BBL

R-squared

0.833

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8DALLAS PRODUCTION, INC.211,0002013-08-05
EOF // data source: Texas Railroad Commission // 2026