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2021
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Invention
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A core drilling apparatus and method for converting between a core drilling assembly and a full-d... |
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P/S
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drilling machines; power drill bits, core drilling bits Subsurface reservoir drilling, hydrocarbo... |
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P/S
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Electric drills, drilling machines and parts thereto;
drilling bits [parts of machines], core dr... |
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2020
|
Invention
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Core drilling apparatus and method for converting between a core drilling assembly and a full-dia... |
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2019
|
Invention
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Method and apparatus for alternating between coring and drilling without tripping operations. An ... |
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2013
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Invention
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Intelligent coring system. A technology is described of a system capable of altering between extr... |
