BROWN, J. N.

Oil // district 13 // lease#30560

op: TATANKA OPERATING, LLC

cum_oil

65k BBL

cum_gas

0 MCF

wells

1

production

2005-10 — 2025-11

peak_month

2006-01

-- production_history

cum_oil: 65,323 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,896 BBL/mo

Di (annual)

172.2%

b-factor

0.7

EUR

55,783 BBL

R-squared

0.789

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HEAPE EXPLORATION, INC.319,5002005-01-26
EOF // multi-state drilling data platform // 2026