KOEHLER UNIT

Oil // district 3 // lease#13802

op: STO OPERATING COMPANY

cum_oil

201k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2026-03

peak_month

1993-05

-- production_history

cum_oil: 200,717 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,816 BBL/mo

Di (annual)

251.4%

b-factor

0.7

EUR

51,916 BBL

R-squared

0.352

type

hyperbolic

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2SANTA FE - WINDSOR PRODUCING CO.59,5002011-06-23
2STSANTA FE - WINDSOR PRODUCING CO.59,5002011-06-23
EOF // data source: Texas Railroad Commission // 2026