Sven Revheim

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Hafersfjord, NO

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Patents Grantslast 30 patents

Information Patent Grant
Pressure driven apparatus for sequential control of a cementing head
- Patent number 8,122,906
- Issue date Feb 28, 2012
- Seawell Oil Tools AS
- Sven Revheim
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Device for conducting cementing operations and inflow regulation
- Patent number 7,971,639
- Issue date Jul 5, 2011
- Peak Well Solutions AS
- Sven Revheim
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cementing valve
- Patent number 7,748,463
- Issue date Jul 6, 2010
- Peak Well Solutions AS
- Sven Revheim
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE DRIVEN APPARATUS FOR SEQUENTIAL CONTROL OF A CEMENTING HEAD
- Publication number 20100101775
- Publication date Apr 29, 2010
- Sven Revheim
- E21 - EARTH DRILLING MINING
Information Patent Application
MOTION DETECTOR
- Publication number 20090314491
- Publication date Dec 24, 2009
- Seawell Oil Tools AS
- Sven Revheim
- E21 - EARTH DRILLING MINING
Information Patent Application
Wellbore Tool for Filling, Circulating and Backflowing Fluids
- Publication number 20090266532
- Publication date Oct 29, 2009
- Sven Revheim
- E21 - EARTH DRILLING MINING
Information Patent Application
Device for Conducting Cementing Operations and Inflow Regulation
- Publication number 20090211748
- Publication date Aug 27, 2009
- PEAK WELLS SOLUTIONS AS
- Sven Revheim
- E21 - EARTH DRILLING MINING
Information Patent Application
Cementing Valve
- Publication number 20090000782
- Publication date Jan 1, 2009
- Sven Revheim
- E21 - EARTH DRILLING MINING