UL 20 FLATHEAD

Oil // district 10 // lease#48623

op: PERCUSSION PETROLEUM OPER II,LLC

cum_oil

426k BBL

cum_gas

0 MCF

wells

4

production

2016-12 — 2026-03

peak_month

2017-08

-- production_history

cum_oil: 425,748 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

11,566 BBL/mo

Di (annual)

43.4%

b-factor

0.1

EUR

355,677 BBL

R-squared

0.764

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
A004HOASIS PETROLEUM PERMIAN LLC112,1512021-07-22
B003HOASIS PETROLEUM PERMIAN LLC112,1512021-07-22
2HFORGE ENERGY, LLC113,0002017-02-01
1HFORGE ENERGY, LLC112,9002016-08-10
EOF // data source: Texas Railroad Commission // 2026