TREADWELL TRUST -19-B

Oil // district 9 // lease#17617

op: TELESIS OPERATING CO., INC.

cum_oil

13k BBL

cum_gas

0 MCF

wells

2

production

2011-10 — 2023-05

peak_month

2012-05

-- production_history

cum_oil: 13,398 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

693 BBL/mo

Di (annual)

87.1%

b-factor

0.2

EUR

11,876 BBL

R-squared

0.827

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4TELESIS OPERATING CO., INC.29,0002015-08-26
5TELESIS OPERATING CO., INC.19,0002011-12-01
EOF // data source: Texas Railroad Commission // 2026