Offshore drilling apparatus

Details Offshore drilling apparatus Offshore drilling apparatus

1993-08-30

1995-03-07

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

166350, 166359, 175 7, 405169, 405166, E02B 1700, E21B 712

Patent

active

053951832

ABSTRACT:
There is disclosed an apparatus for use in drilling an offshore well wherein the upper end of a riser is intermittently supported from a floating vessel to permit the lower ends of additional pipe sections to be connected thereto and then lowered through the table for connection at its lower end to an underwater wellhead. The riser is supported from the vessel in such a manner as to absorb the load of the riser as an additional section is landed on its upper end, and then carry the load of the riser as the vessel tilts or rolls without imposing undue bending loads on the riser.

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