OSO GRANDE

Oil // district 8 // lease#28721

op: NAUMANN OIL & GAS, INC.

cum_oil

28k BBL

cum_gas

0 MCF

wells

1

production

2000-01 — 2015-05

peak_month

2000-01

-- production_history

cum_oil: 28,176 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

968 BBL/mo

Di (annual)

160.0%

b-factor

1.1

EUR

36,584 BBL

R-squared

0.811

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NAUMANN OIL & GAS, INC.16,7001999-09-30
EOF // data source: Texas Railroad Commission // 2026