CASTLEBERRY, J. J. ESTATE A

Oil // district 6 // lease#15545

op: DALLAS PRODUCTION, INC.

cum_oil

18k BBL

cum_gas

0 MCF

wells

1

production

2017-05 — 2026-03

peak_month

2017-06

-- production_history

cum_oil: 17,746 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

563 BBL/mo

Di (annual)

163.3%

b-factor

1.7

EUR

39,321 BBL

R-squared

0.927

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ROACH, R. BYRON TRUSTEE311,0002017-02-27
EOF // data source: Texas Railroad Commission // 2026