DEVICE FOR CONTROLLING BALLAST AND MUD FOR GRAVEL COMPACTED COLUMN PRODUCED BY A WET PROCESS
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United States of America Patent
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Jan 23, 2015
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Jan 23, 2015
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Abstract
The invention relates to a device for controlling gravel and mud for a compacted gravel column made by wet construction using a drilling system fitted with a vibrator, comprising;
- a mud collection element (2) defining an internal volume capable of collecting mud and fitted with an orifice through which the vibrator will pass, andat least one gravel guide wall (3) leading to the orifice (5) through which the mud collection element (2) will pass.
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