Subsea clamp tensioning system
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United States of America Patent
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Oct 23, 2018
Grant Date -
Sep 22, 2016
app pub date -
Mar 19, 2016
filing date -
Mar 20, 2015
priority date (Note) -
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Abstract
The disclosed subsea clamp tensioning system includes predictability of gasket pre-load to input closure and allows a subsea clamp tensioning system to be closed and made-up without the hindrance of frictional loads that will cause a loss of tension in a drive screw. In an embodiment, the subsea clamp tensioning system tensions the drive screw by applying a set torque load into an API class torque bucket which translates into an applied tension at the drive screw. The tension load on the drive screw applies the gasket pre-load required to create a metal-to-metal seal between the two clamp hubs. Once complete and tested, the subsea clamp tensioning system may be removed and mounted onto a connector tool for retrieval to the surface.
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