Sihar Marpaung

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Kangawa-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Clean fluid sample for downhole measurements
- Patent number 8,434,357
- Issue date May 7, 2013
- Schlumberger Technology Corporation
- Kai Hsu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus of downhole fluids analysis
- Patent number 8,109,157
- Issue date Feb 7, 2012
- Schlumberger Technology Corporation
- Kazumasa Kanayama
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CALIBRATION AND CONSISTENCY CHECK OF VARIABLEW VOLUME SYSTEMS
- Publication number 20130110401
- Publication date May 2, 2013
- Kai Hsu
- G01 - MEASURING TESTING
Information Patent Application
CLEAN FLUID SAMPLE FOR DOWNHOLE MEASUREMENTS
- Publication number 20110042071
- Publication date Feb 24, 2011
- Kai Hsu
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND APPARATUS OF DOWNHOLE FLUIDS ANALYSIS
- Publication number 20090321072
- Publication date Dec 31, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Kazumasa Kanayama
- E21 - EARTH DRILLING MINING