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Sidewall core gun
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Patent number 4,702,168
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Issue date Oct 27, 1987
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Halliburton Company
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Edward A. Colle
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E21 - EARTH DRILLING MINING
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Sidewall core gun
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Patent number 4,609,056
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Issue date Sep 2, 1986
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Halliburton Company
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Edward A. Colle
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E21 - EARTH DRILLING MINING
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Method of completing a well
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Patent number 4,501,331
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Issue date Feb 26, 1985
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Geo Vann, Inc.
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Emmet F. Brieger
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E21 - EARTH DRILLING MINING
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Method of well completion
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Patent number 4,498,541
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Issue date Feb 12, 1985
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GEO Vann
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Emmet F. Brieger
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E21 - EARTH DRILLING MINING
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Formation testers
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Patent number 4,287,946
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Issue date Sep 8, 1981
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Emmet F. Brieger
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E21 - EARTH DRILLING MINING
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Formation testers
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Patent number 4,210,018
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Issue date Jul 1, 1980
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Gearhart-Owen Industries, Inc.
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Emmet F. Brieger
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E21 - EARTH DRILLING MINING
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High pressure, fluid tight seal
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Patent number 4,203,607
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Issue date May 20, 1980
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Emmet F. Brieger
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Formation-testing apparatus
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Patent number 3,934,468
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Issue date Jan 27, 1976
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Schlumberger Technology Corporation
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Emmet F. Brieger
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E21 - EARTH DRILLING MINING