Demosthenis Georgeou Pafitis

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Cambridge, GB

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Patents Grantslast 30 patents

Information Patent Grant
Drill bits and methods of drilling curved boreholes
- Patent number 8,469,117
- Issue date Jun 25, 2013
- Schlumberger Technology Corporation
- Demosthenis Georgiou Pafitis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bits and methods of drilling curved boreholes
- Patent number 8,307,914
- Issue date Nov 13, 2012
- Schlumberger Technology Corporation
- Demosthenis Pafitis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus for attenuating drillstring vibrations
- Patent number 7,984,771
- Issue date Jul 26, 2011
- Schlumberger Technology Corporation
- Jahir Pabon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus for attenuating drillstring vibrations
- Patent number 7,828,082
- Issue date Nov 9, 2010
- Schlumberger Technology Corporation
- Jahir Alfonso Pabon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling system powered by energy-harvesting sensor
- Patent number 7,729,860
- Issue date Jun 1, 2010
- Schlumberger Technology Corporation
- Jahir Pabon
- G01 - MEASURING TESTING
Information Patent Grant
Selective zonal isolation of oil wells
- Patent number 5,697,441
- Issue date Dec 16, 1997
- Dowell, a division of Schlumberger Technology Corporation
- Claude Joseph Vercaemer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drill Bits and Methods of Drilling Curved Boreholes
- Publication number 20120292115
- Publication date Nov 22, 2012
- Demosthenis Georgiou Pafitis
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BITS AND METHODS OF DRILLING CURVED BOREHOLES
- Publication number 20110220417
- Publication date Sep 15, 2011
- DEMOSTHENIS PAFITIS
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND APPARATUS FOR ATTENUATING DRILLSTRING VIBRATIONS
- Publication number 20110011644
- Publication date Jan 20, 2011
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jahir Alfonso Pabon
- E21 - EARTH DRILLING MINING
Information Patent Application
Methods and apparatus for attenuating drillstring vibrations
- Publication number 20080066965
- Publication date Mar 20, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION, Incorporated in the State of Texas
- Jahir Alfonso Pabon
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling system powered by energy-harvesting sensor
- Publication number 20080033653
- Publication date Feb 7, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jahir Pabon
- G01 - MEASURING TESTING