Pipelaying in artic offshore waters
Patent
·
OSTI ID:5909569
The present invention provides a method and apparatus for constructing pipelines in Arctic offshore waters by a directional drilling technique, thereby minimizing exposure to ice gouging and eliminating the hazards associated with unstable permafrost. A special drilling-pipe-line construction vessel is also provided which has a conical shape with reinforced outer walls to resist ice forces, which vessel includes means to install deep underground pipeline segments and means to connect and protect the pipe ends.
- Assignee:
- Shell Oil Company
- Patent Number(s):
- US 4553879
- OSTI ID:
- 5909569
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
022000* -- Petroleum-- Transport
Handling
& Storage
ARCTIC REGIONS
DESIGN
DIRECTIONAL DRILLING
DRILLING
FABRICATION
GEOLOGIC DEPOSITS
ICE
ICEBERGS
INSTALLATION
JOINING
MINERAL RESOURCES
OFFSHORE OPERATIONS
OIL FIELDS
PERMAFROST
PETROLEUM DEPOSITS
PIPELINES
POLAR REGIONS
RESOURCES
SHIPS
022000* -- Petroleum-- Transport
Handling
& Storage
ARCTIC REGIONS
DESIGN
DIRECTIONAL DRILLING
DRILLING
FABRICATION
GEOLOGIC DEPOSITS
ICE
ICEBERGS
INSTALLATION
JOINING
MINERAL RESOURCES
OFFSHORE OPERATIONS
OIL FIELDS
PERMAFROST
PETROLEUM DEPOSITS
PIPELINES
POLAR REGIONS
RESOURCES
SHIPS