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

Pipelay in slurry trench

Patent ·
OSTI ID:5322667
This patent describes a method for laying a pipeline offshore in the seafloor, comprising: excavating a deep trench in the seafloor; filling the trench with a slurry to maintain the integrity of the seafloor trench until the pipeline can be laid thereinto; laying the pipeline on top of the slurry; and sinking the pipeline through the slurry and downwardly in the trench.
Assignee:
Shell Western E and P Inc., Houston, TX
Patent Number(s):
US 4714379
OSTI ID:
5322667
Country of Publication:
United States
Language:
English