WHELAN OU4

Oil // district 6 // lease#16135

op: TANOS EXPLORATION IV, LLC

cum_oil

31k BBL

cum_gas

0 MCF

wells

1

production

2025-06 — 2026-03

peak_month

2025-06

-- production_history

cum_oil: 30,888 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,258 BBL/mo

Di (annual)

227.3%

b-factor

0.0

EUR

38,423 BBL

R-squared

0.936

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HUTANOS EXPLORATION IV, LLC17,3002025-01-15
EOF // data source: Texas Railroad Commission // 2026