Merlin drilling riser assembly
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United States of America Patent
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Sep 1, 2015
Issued Date -
N/A
app pub date -
May 2, 2014
filing date -
May 3, 2013
priority date (Note) -
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Abstract
An improved drilling riser assembly including a male drilling riser assembly section and a female drilling riser assembly section that form a connection joint when mated. The drilling riser assembly sections having an internal stab type main drilling riser connector. The drilling riser assembly sections each have main drilling riser flanges that have helically threaded rings on an outer edge of the flange. A box and pin connector each have an inner helically threaded ring that mates with the outer helical flange ring of a drilling riser assembly section. The box and pin connectors extend towards each other and make up an enclosed compression joined mating section around the stab type connectors of the drilling riser assembly.
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