Tool for selectively connecting or disconnecting components of a downhole workstring
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United States of America Patent
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Mar 28, 2017
Grant Date -
Jan 28, 2016
app pub date -
Mar 15, 2013
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
The present invention relates to a tool for selectively connecting or disconnecting components of a downhole workstring comprising a drive shaft (3) and a housing couplable to said drive shaft, and housing comprising first and second housing parts (21, 22) releasably connected to one another, transmission means such as a reduction gear mechanism (52-54) coupled to the drive shaft, the transmission means being arranged to selectively connect or disconnect the housing parts by rotating the drive shaft.
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