Jan Freyer

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Hafrsfjord, NO

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Patents Grantslast 30 patents

Information Patent Grant
Well packing
- Patent number 8,051,914
- Issue date Nov 8, 2011
- Halliburton Energy Services, Inc.
- Jan Freyer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well packing
- Patent number 7,832,491
- Issue date Nov 16, 2010
- Halliburton Energy Services, Inc.
- Jan Freyer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well packing
- Patent number 7,472,757
- Issue date Jan 6, 2009
- Halliburton Energy Services, Inc.
- Jan Freyer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well packing
- Patent number 7,143,832
- Issue date Dec 5, 2006
- Halliburton Energy Services, Inc.
- Jan Freyer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool for pressure testing of oil and gas wells
- Patent number 5,655,607
- Issue date Aug 12, 1997
- Smedvig Technology AS
- Jone Mellemstrand
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and a device for movement-compensation in riser pipes
- Patent number 5,069,488
- Issue date Dec 3, 1991
- Smedvig IPR A/S
- Jan Freyer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
WELL PACKING
- Publication number 20100288514
- Publication date Nov 18, 2010
- Halliburton Energy Services, Inc.
- Jan Freyer
- E21 - EARTH DRILLING MINING
Information Patent Application
WELL PACKING
- Publication number 20090084559
- Publication date Apr 2, 2009
- Halliburton Energy Services, Inc.
- Jan Freyer
- E21 - EARTH DRILLING MINING
Information Patent Application
Well Packing
- Publication number 20070151723
- Publication date Jul 5, 2007
- Jan Freyer
- E21 - EARTH DRILLING MINING
Information Patent Application
Well packing
- Publication number 20040020662
- Publication date Feb 5, 2004
- Jan Freyer
- E21 - EARTH DRILLING MINING