SELLERS -66-

Oil // district 10 // lease#29723

op: WINN OPERATING, LLC

cum_oil

77k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

1993-01

-- production_history

cum_oil: 77,104 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,353 BBL/mo

Di (annual)

70.7%

b-factor

0.8

EUR

65,461 BBL

R-squared

0.916

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2OGE DRILLING USA, INC.28,7001992-07-31
1OGE DRILLING, INC.29,0001985-08-07
3OGR OPERATING CO, INC.28,7001985-08-07
4OGR OPERATING CO, INC.18,7001984-10-02
EOF // multi-state drilling data platform // 2026