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
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Related Subjects
02 PETROLEUM
022000* -- Petroleum-- Transport
Handling
& Storage
42 ENGINEERING
420205 -- Engineering-- Transport & Storage Facilities-- (1980-)
423000 -- Engineering-- Marine Engineering-- (1980-)
EMPLACEMENT
ENERGY SOURCES
FOSSIL FUELS
FUELS
MARINE RISERS
OFFSHORE OPERATIONS
PETROLEUM
PIPELINES
PIPES
POSITIONING
SEA BED
TRANSPORT
UNDERWATER OPERATIONS
022000* -- Petroleum-- Transport
Handling
& Storage
42 ENGINEERING
420205 -- Engineering-- Transport & Storage Facilities-- (1980-)
423000 -- Engineering-- Marine Engineering-- (1980-)
EMPLACEMENT
ENERGY SOURCES
FOSSIL FUELS
FUELS
MARINE RISERS
OFFSHORE OPERATIONS
PETROLEUM
PIPELINES
PIPES
POSITIONING
SEA BED
TRANSPORT
UNDERWATER OPERATIONS