RISLEY 'B'

Oil // district 8 // lease#32398

op: NBX ENERGY, LLC

cum_oil

171k BBL

cum_gas

0 MCF

wells

5

production

2019-11 — 2025-12

peak_month

2021-03

-- production_history

cum_oil: 171,058 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,640 BBL/mo

Di (annual)

101.2%

b-factor

0.1

EUR

100,649 BBL

R-squared

0.973

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7NBX ENERGY, LLC26,0002023-12-04
5NBX ENERGY, LLC16,0002021-02-03
3NBX ENERGY, LLC16,0002020-08-18
2NBX ENERGY, LLC16,0002019-12-06
1NBX ENERGY, LLC16,0002019-11-05
EOF // data source: Texas Railroad Commission // 2026