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公开(公告)号：US11578817B2
公开(公告)日：2023-02-14
申请号：US17275564
申请日：2019-09-17
Applicant: SAIPEM S.p.A.
Inventor： Mauro Pigliapoco
Abstract: A method for laying a pipeline on the bed of a body of water comprises assembling a pipeline on a laying vessel; launching the pipeline from the laying vessel; identifying a zone of the bed of the body of water that causes stresses greater than a threshold value determined for the pipeline; progressively laying the pipeline on the bed of the body of water by advancing the laying vessel; and making, through controlled plastic deformation, at least one curved section along the pipeline with a curvature concordant with the curvature assumed by the pipeline in proximity to said zone, when the pipeline is at least partly laid on the bed of the body of water and partly suspended with respect to the bed of the body of water in proximity to said zone.
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公开(公告)号：US20210364103A1
公开(公告)日：2021-11-25
申请号：US17275564
申请日：2019-09-17
Applicant: SAIPEM S.p.A.
Inventor： Mauro Pigliapoco
Abstract: A method for laying a pipeline on the bed of a body of water comprises assembling a pipeline on a laying vessel; launching the pipeline from the laying vessel; identifying a zone of the bed of the body of water that causes stresses greater than a threshold value determined for the pipeline; progressively laying the pipeline on the bed of the body of water by advancing the laying vessel; and making, through controlled plastic deformation, at least one curved section along the pipeline with a curvature concordant with the curvature assumed by the pipeline in proximity to said zone, when the pipeline is at least partly laid on the bed of the body of water and partly suspended with respect to the bed of the body of water in proximity to said zone.
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公开(公告)号：US10344893B2
公开(公告)日：2019-07-09
申请号：US15746353
申请日：2016-07-14
Applicant: SAIPEM S.P.A.
Inventor： Mauro Pigliapoco , Giovanni Profeta
Abstract: A joining device of a continuous conduit is for changes in slope of seabeds. The continuous conduit defines a longitudinal direction substantially coinciding with the longitudinal direction of structural development of the continuous conduit. The continuous conduit has a longitudinal structural continuity and a fluidic continuity. The joining device includes a joint that includes at least one first joining branch, at least one second joining branch and at least one third joining branch. The first joining branch extends along the longitudinal direction and provides longitudinal structural and fluidic continuity of the continuous conduit and connects with a piece of the continuous conduit. The second joining branch provides longitudinal structural continuity of the continuous conduit. The third joining branch provides fluidic continuity of the continuous conduit. The second joining branch is exclusively suitable for providing the longitudinal structural continuity of the continuous conduit, and is unsuitable for providing the fluidic continuity.
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