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1. (WO2018163126) STEEL CATENARY RISER TOP INTERFACE

Pub. No.:    WO/2018/163126    International Application No.:    PCT/IB2018/051569
Publication Date: Fri Sep 14 01:59:59 CEST 2018 International Filing Date: Sat Mar 10 00:59:59 CET 2018
IPC: E21B 43/01
E21B 17/01
E21B 19/00
Applicants: SINGLE BUOY MOORINGS, INC.
Inventors: OTTEN, Jeffrey Douglas
CAO, Peimin
PRICHARD, Thomas
Title: STEEL CATENARY RISER TOP INTERFACE
Abstract:
A top interface for subsea riser on offshore, floating vessel has an upper funnel (17) and a co-axial lower funnel (18) in spaced-apart relation. Tension loads on the riser (12) are reacted at the upper funnel while lateral and bending loads are reacted at the lower funnel. The riser top interface may be used with flexible risers or steel catenary risers.