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US 2002/0119012 A1Published application
Method of constructing pipelines in shallow ice covered waters
OwnerPatrick Agnewinventor
Life of this patent
Estimating the term…
Abstract
A method of constructing pipelines in shallow ice covered waters includes freezing a long narrow pipeline workway so as to thicken ice until an ice mass grounds to an ocean floor, and removing ice in the ice mass to create a construction work area for laying a pipeline.
Claims6
A method of constructing pipelines in shallow ice covered waters comprising the steps of freezing a long narrow pipeline workway so as to thicken ice until an ice mass grounds to an ocean floor;
- and removing ice in the ice mass to create a construction work area for laying a pipeline.
Dependencies are inferred from the claim text.