Subsea vehicle assisted pipeline commissioning method
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United States of America Patent
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May 17, 2011
Grant Date -
N/A
app pub date -
Nov 17, 2003
filing date -
Mar 13, 2001
priority date (Note) -
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Abstract
The present invention is directed to a method for completing the commissioning of a subsea pipeline by purging with a compressed gas to dewater and dry the line wherein the operation is done on the seabed. More specifically, the method is carried out with a subsea vechicle (hereinafter “SV”) that powers pumps located on the seabed or are carried by the SV to inject/remove chemical, dewater, and dry, the pipeline. The present invention may be part of the commissioning of a new or old pipeline or a new portion of a pipeline in which a purging of the line with a compressed gas and drying of the line is required. After commissioning, product flows through the pipeline.
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