Method of joining two portions of an underwater pipeline for conducting fluids and/or gas
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United States of America Patent
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Mar 10, 2015
Grant Date -
Oct 25, 2012
app pub date -
May 11, 2010
filing date -
May 11, 2009
priority date (Note) -
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Abstract
A method of joining two portions of an underwater pipeline for conducting fluid and/or gas on the bed of a body of water, the method including the steps of: joining a telescopic sleeve, having a first coupling head, to a first end of a first pipeline portion above the body of water; positioning the first end, the telescopic sleeve, and the first coupling head in a first given position on the bed of the body of water; joining a second coupling head to a second end of a second pipeline portion above the body of water; positioning the second end and the second coupling head in a second given position, close to the first coupling head, below the body of water; and connecting the first and second coupling head hermetically below the body of water.
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