SCHWERTNER

Oil // district 8 // lease#32442

op: NBX ENERGY, LLC

cum_oil

301k BBL

cum_gas

0 MCF

wells

5

production

2020-03 — 2025-12

peak_month

2021-05

-- production_history

cum_oil: 300,757 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

9,481 BBL/mo

Di (annual)

40.5%

b-factor

0.0

EUR

281,150 BBL

R-squared

0.797

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5DELTA OIL & GAS LTD.15,3002021-02-22
4DELTA OIL & GAS LTD.15,3002021-01-20
2DELTA OIL & GAS LTD.26,0002020-01-29
3DELTA OIL & GAS LTD.36,0002020-01-29
1DELTA OIL & GAS LTD.16,0002020-01-23
EOF // data source: Texas Railroad Commission // 2026