PIPER "C"

Oil // district 10 // lease#33334

op: NORTHSTAR OPERATING COMPANY

cum_oil

13k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2022-03

peak_month

2012-06

-- production_history

cum_oil: 12,912 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

146 BBL/mo

Di (annual)

203.2%

b-factor

1.2

EUR

5,309 BBL

R-squared

0.924

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1LIMARK CORPORATION23,9201992-05-20
EOF // multi-state drilling data platform // 2026