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U.S. Department of Energy
Office of Scientific and Technical Information

Subsea pipeline connection

Patent ·
OSTI ID:5648617
A method is described for connecting and laying a flowline from a subsea structure on the seafloor comprising: connecting the flowline from a first vessel to a riser from a second vessel; deploying the flowline and riser downwardly to the subsea structure; connecting the riser to the subsea structure; connecting the flowline to the subsea structure; laying the flowline on the seafloor from the subsea structure; and disconnecting the riser from both the flowline and the subsea structure.
Assignee:
Shell Oil Co., Houston, TX
Patent Number(s):
US 4588326
OSTI ID:
5648617
Country of Publication:
United States
Language:
English