Seawell Oil Tools AS

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Stavanger, NO

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Patents Grantslast 30 patents

Information Patent Grant
Sleeve valve with permanent end position
- Patent number 8,783,649
- Issue date Jul 22, 2014
- Seawell Oil Tools AS
- Arve Byberg
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cement head with integrated energy supply for operating valves
- Patent number 8,668,003
- Issue date Mar 11, 2014
- Seawell Oil Tools AS
- Stian Osmundsen
- E21 - EARTH DRILLING MINING
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

Patents Applicationslast 30 patents

Information Patent Application
Sleeve Valve with Permanent End Position
- Publication number 20110308622
- Publication date Dec 22, 2011
- Seawell Oil Tools AS
- Arve Byberg
- E21 - EARTH DRILLING MINING
Information Patent Application
CEMENT HEAD WITH INTERGRATED ENERGY SUPPLY FOR OPERATING VALVES
- Publication number 20110168380
- Publication date Jul 14, 2011
- Seawell Oil Tools AS
- Stian Osmundsen
- 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

Trademarklast 30 trademarks