COLLUMS-BLAIR UNIT

Oil // district 13 // lease#34125

op: ATOKA OPERATING, INC.

cum_oil

16k BBL

cum_gas

0 MCF

wells

1

production

2022-06 — 2026-03

peak_month

2022-07

-- production_history

cum_oil: 15,917 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

605 BBL/mo

Di (annual)

82.1%

b-factor

2.0

EUR

71,812 BBL

R-squared

0.536

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1H & S PRODUCTION, INC.313,5002022-01-31
EOF // data source: Texas Railroad Commission // 2026