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
- Resource Relation:
- Patent File Date: Filed date 24 Apr 1984; Other Information: PAT-APPL-603279
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
OIL FIELDS
OFFSHORE OPERATIONS
PIPELINES
INSTALLATION
SHIPS
DESIGN
ARCTIC REGIONS
DIRECTIONAL DRILLING
ICEBERGS
JOINING
PERMAFROST
DRILLING
FABRICATION
GEOLOGIC DEPOSITS
ICE
MINERAL RESOURCES
PETROLEUM DEPOSITS
POLAR REGIONS
RESOURCES
022000* - Petroleum- Transport
Handling
& Storage
OIL FIELDS
OFFSHORE OPERATIONS
PIPELINES
INSTALLATION
SHIPS
DESIGN
ARCTIC REGIONS
DIRECTIONAL DRILLING
ICEBERGS
JOINING
PERMAFROST
DRILLING
FABRICATION
GEOLOGIC DEPOSITS
ICE
MINERAL RESOURCES
PETROLEUM DEPOSITS
POLAR REGIONS
RESOURCES
022000* - Petroleum- Transport
Handling
& Storage