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Optical turnaround system
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Patent number 7,720,325
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Issue date May 18, 2010
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Schlumberger Technology Corporation
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Harini Varadarajan
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G01 - MEASURING TESTING
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Optical turnaround system
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Patent number 7,496,248
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Issue date Feb 24, 2009
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Schlumberger Technology Corporation
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Harini Varadarajan
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G01 - MEASURING TESTING
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Optical turnaround system
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Patent number 7,428,350
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Issue date Sep 23, 2008
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Schlumberger Technology Corporation
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Harini Varadarajan
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G01 - MEASURING TESTING
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Cable splice protector
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Patent number 7,220,067
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Issue date May 22, 2007
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Schlumberger Technology Corporation
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Scott A. Rubinstein
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G02 - OPTICS
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Valves for use in wells
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Patent number 6,973,974
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Issue date Dec 13, 2005
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Schlumberger Technology Corporation
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Eugene P. McLoughlin
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E21 - EARTH DRILLING MINING
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Valves for use in wells
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Patent number 6,966,380
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Issue date Nov 22, 2005
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Schlumberger Technology Corporation
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Eugene P. McLoughlin
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E21 - EARTH DRILLING MINING
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Valve for use in wells
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Patent number 6,668,935
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Issue date Dec 30, 2003
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Schlumberger Technology Corporation
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Eugene P. McLoughlin
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E21 - EARTH DRILLING MINING