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Wellbore tool reamer assembly
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Patent number 10,501,996
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Issue date Dec 10, 2019
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Halliburton Energy Services, Inc.
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Olivier Mageren
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E21 - EARTH DRILLING MINING
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Core barrel
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Patent number 6,644,424
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Issue date Nov 11, 2003
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Halliburton Energy Services, Inc.
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Philippe Fanuel
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E21 - EARTH DRILLING MINING
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Core drill
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Patent number 6,394,196
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Issue date May 28, 2002
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Halliburton Energy Services, Inc.
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Philippe Fanuel
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E21 - EARTH DRILLING MINING
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Core barrel
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Patent number 6,341,656
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Issue date Jan 29, 2002
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Dresser Industries, Inc
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Philippe Fanuel
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E21 - EARTH DRILLING MINING
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Core sampler
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Patent number 6,158,534
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Issue date Dec 12, 2000
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Baroid Technology, Inc.
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Philippe Fanuel
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E21 - EARTH DRILLING MINING
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Core sampler
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Patent number 6,116,358
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Issue date Sep 12, 2000
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Baroid Technology, Inc.
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Philippe Fanuel
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E21 - EARTH DRILLING MINING