WINTER

Oil · District 08 · Lease #39393

Operator: NORTHSTAR OPERATING COMPANY

Cum Oil

13k BBL

Cum Gas

23k MCF

casinghead

Wells

1

Production

2009-04 — 2010-11

Peak Month

2010-06

Production History

Cum Oil: 12,988 BBL Cum Gas: 22,501 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2025-09 — 2026-07 N & B OIL AND GAS LLC 11 mo
2017-09 — 2025-08 BLACKBEARD OPERATING, LLC 96 mo
2009-04 — 2017-08 NORTHSTAR OPERATING COMPANY 101 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1N & B OIL AND GAS LLC39,5002011-06-15