RISLEY 'C'

Oil // district 8 // lease#32491

op: NBX ENERGY, LLC

cum_oil

121k BBL

cum_gas

0 MCF

wells

5

production

2021-04 — 2025-12

peak_month

2021-11

-- production_history

cum_oil: 120,926 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,914 BBL/mo

Di (annual)

106.9%

b-factor

0.4

EUR

128,160 BBL

R-squared

0.949

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5NBX ENERGY, LLC16,0002021-07-28
4NBX ENERGY, LLC16,0002021-06-17
2NBX ENERGY, LLC16,0002021-04-01
3NBX ENERGY, LLC16,0002021-04-01
1NBX ENERGY, LLC16,0002021-01-25
EOF // data source: Texas Railroad Commission // 2026