GOSSETT-LENGYEL UNIT

Oil // district 13 // lease#30309

op: ATOKA OPERATING, INC.

cum_oil

19k BBL

cum_gas

0 MCF

wells

1

production

2004-05 — 2026-03

peak_month

2004-05

-- production_history

cum_oil: 18,821 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

496 BBL/mo

Di (annual)

190.4%

b-factor

1.4

EUR

23,895 BBL

R-squared

0.750

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1H & S PRODUCTION, INC.16,1002004-04-05
EOF // data source: Texas Railroad Commission // 2026