TREADWELL TRUST -19-A

Oil // district 9 // lease#17128

op: TELESIS OPERATING CO., INC.

cum_oil

21k BBL

cum_gas

0 MCF

wells

1

production

2010-04 — 2026-03

peak_month

2010-05

-- production_history

cum_oil: 21,430 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

526 BBL/mo

Di (annual)

58.9%

b-factor

0.7

EUR

26,140 BBL

R-squared

0.898

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3TELESIS OPERATING CO., INC.14,2502009-03-26
EOF // data source: Texas Railroad Commission // 2026