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Downhole position sensor
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Patent number 9,726,004
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Issue date Aug 8, 2017
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Halliburton Energy Services, Inc.
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Ralph Harvey Echols
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E21 - EARTH DRILLING MINING
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Expandable well screen
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Patent number 7,108,062
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Issue date Sep 19, 2006
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Halliburton Energy Services, Inc.
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Ana M. Castano-Mears
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E21 - EARTH DRILLING MINING
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Tubular filtration apparatus
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Patent number 6,799,686
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Issue date Oct 5, 2004
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Halliburton Energy Services, Inc.
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Ralph H. Echols
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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