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Universal cementing plug
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Patent number 6,196,311
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Issue date Mar 6, 2001
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Halliburton Energy Services, Inc.
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Harold O. Treece
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E21 - EARTH DRILLING MINING
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Dog locking sleeve
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Patent number 4,412,559
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Issue date Nov 1, 1983
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Halliburton Company
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Steven G. Streich
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Inflatable grout seal
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Patent number 4,337,010
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Issue date Jun 29, 1982
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Halliburton Company
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Bob L. Sullaway
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING