Subsea pipeline connection
Patent
·
OSTI ID:5911380
A method and apparatus are provided for laying an offshore pipeline or flowline bundle to a deepwater subsea structure. The pipeline or flowline bundle is laid along a prescribed path, preferably U-shape, such that a pullhead at the terminus of the pipeline or flowline bundle falls just short of the subsea structure. A pull-in tool connected to the pipeline or flowline bundle by a short length of pull cable is then landed on and latched to the subsea structure, and the pipeline or flowline bundle is pulled up to the subsea structure by the pull-in tool and pull cable.
- Assignee:
- Shell Oil Co.
- Patent Number(s):
- US 4558972
- OSTI ID:
- 5911380
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CABLES
DESIGN
EQUIPMENT
FABRICATION
GRABS
HOISTING
HOISTS
INSTALLATION
JOINING
JOINTS
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
OFFSHORE PLATFORMS
PIPE JOINTS
PIPELINES
TOOLS
WELLHEADS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
CABLES
DESIGN
EQUIPMENT
FABRICATION
GRABS
HOISTING
HOISTS
INSTALLATION
JOINING
JOINTS
MATERIALS HANDLING
MATERIALS HANDLING EQUIPMENT
OFFSHORE PLATFORMS
PIPE JOINTS
PIPELINES
TOOLS
WELLHEADS