GOSSETT-LENGYEL UNIT

Oil · District 09 · Lease #30309

Operator: ATOKA OPERATING, INC.

Cum Oil

19k BBL

Cum Gas

171k MCF

casinghead

Wells

1

Production

2004-05 — 2026-04

Peak Month

2004-07

Production History

Cum Oil: 18,977 BBL Cum Gas: 171,321 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

344 BBL/mo

Di (annual)

110.2%

b-factor

1.4

EUR

23,195 BBL

R-squared

0.625

type

hyperbolic

Operator History (from monthly production reports)

2025-01 — 2026-07 ATOKA ENERGY LLC 19 mo
2004-05 — 2024-12 ATOKA OPERATING, INC. 248 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ATOKA ENERGY LLC16,1002004-04-05