CANON -62-

Oil // district 10 // lease#28781

op: TCF ENERGY, INC.

cum_oil

32k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1994-10

-- production_history

cum_oil: 32,144 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

220 BBL/mo

Di (annual)

15.8%

b-factor

0.0

EUR

16,718 BBL

R-squared

0.325

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1 USOHIO PETROLEUM CO.211,0001997-04-30
3 USOHIO PETROLEUM CO.211,0041993-07-13
4TEX/CON OIL & GAS COMPANY311,0001990-10-10
2 USOHIO PETROLEUM CO.111,0001984-04-19
EOF // data source: Texas Railroad Commission // 2026