UL YELLOWTAIL L 21-19-17 TB

Oil // district 10 // lease#58453

op: PERCUSSION PETROLEUM OPER II,LLC

cum_oil

189k BBL

cum_gas

0 MCF

wells

1

production

2022-09 — 2026-03

peak_month

2023-01

-- production_history

cum_oil: 189,232 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,169 BBL/mo

Di (annual)

38.6%

b-factor

0.0

EUR

222,924 BBL

R-squared

0.633

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HPERCUSSION PETROLEUM OPER II,LLC213,5002022-02-16
EOF // data source: Texas Railroad Commission // 2026