Arild F. Stein

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Sandnes, NO

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for integrity testing
- Patent number 11,280,181
- Issue date Mar 22, 2022
- Interwell Norway AS
- Arild F. Stein
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and device for setting and retrieving a crown plug
- Patent number 10,082,005
- Issue date Sep 25, 2018
- Interwell AS
- Helge Salomonsen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow activated circulating valve
- Patent number 9,267,345
- Issue date Feb 23, 2016
- Interwell AS
- Eirik Grande
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
WELL TOOL DEVICE FOR INJECTING A FLUID THROUGH A HOLE IN A WELL BORE
- Publication number 20240318523
- Publication date Sep 26, 2024
- Interwell Norway AS
- Espen Hiorth
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM FOR INTEGRITY TESTING
- Publication number 20200182048
- Publication date Jun 11, 2020
- Interwell Norway AS
- Arild F. Stein
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND DEVICE FOR SETTING AND RETRIEVING A CROWN PLUG
- Publication number 20180058181
- Publication date Mar 1, 2018
- Interwell AS
- Helge SALOMONSEN
- E21 - EARTH DRILLING MINING
Information Patent Application
Flow Activated Circulating Valve
- Publication number 20140345705
- Publication date Nov 27, 2014
- Interwell AS
- Eirik Grande
- E21 - EARTH DRILLING MINING