E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/41
E21B 47/022 (2006.01) E21B 19/22 (2006.01)
Patent
CA 1049927
ABSTRACT A line diverter unit for use with a sand line in a drill pipe comprising a body threaded for attachment to a drill pipe elevator and a pair of pulleys arranged to guide a sand line into a bore through the body and thence into the drill pipe, one of the pulleys being mounted on a collapsible linkage so that, in use, the pulley is located away from the drill pipe axis and clear of fouling engagement with any mechanism associated with the drill pipe and its support.
259511
Beall John H.
Beall John H.
LandOfFree
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