WINTER

Oil // district 10 // lease#39393

op: NORTHSTAR OPERATING COMPANY

cum_oil

13k BBL

cum_gas

0 MCF

wells

1

production

2009-04 — 2026-03

peak_month

2010-06

-- production_history

cum_oil: 12,988 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,403 BBL/mo

Di (annual)

178.0%

b-factor

0.8

EUR

31,097 BBL

R-squared

0.695

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1NORTHSTAR OPERATING COMPANY39,5002011-06-15
EOF // multi-state drilling data platform // 2026