OSO BLANCO

Oil // district 8 // lease#28898

op: NAUMANN OIL & GAS, INC.

cum_oil

20k BBL

cum_gas

0 MCF

wells

1

production

2000-11 — 2026-03

peak_month

2000-12

-- production_history

cum_oil: 20,405 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

180 BBL/mo

Di (annual)

106.6%

b-factor

2.0

EUR

18,994 BBL

R-squared

0.419

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NAUMANN OIL & GAS, INC.14,3002000-09-05
EOF // data source: Texas Railroad Commission // 2026