COMBINATION DEBRIS COLLECTION AND VISUAL VALIDATION ASSEMBLY
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United States of America Patent
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Issued Date -
Jun 16, 2016
app pub date -
Aug 13, 2014
filing date -
Aug 13, 2013
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Abstract
A method and apparatus for efficient and effective collection of debris from a wellbore, while permitting simultaneous visual verification of such debris collection. A debris collection assembly comprises a combination of one or more of the following: a reverse circulation assembly, a video assembly and at least one filter assembly. Fluids are circulated into a wellbore annular space via the reverse circulation assembly, into the video assembly where fluid and any associated debris are visually sensed and recorded, into the filter assembly where debris is separated from the fluids and collected, before cleaned fluids are circulated out of the wellbore. The components of the debris collection assembly are substantially modular, and can be run in combination with conventional wellbore cleaning tools (such as, for example, workstring-conveyed brushes, scrapers and/or magnets).
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