Tie in of pipeline to subsea structure

A subsea structure includes a support in the form of a foundation or a supporting structure mounted to a foundation. A method for installing a pipeline includes: providing the support with a pull-in point at a proximal location at a first side of the support; providing the support with a strong poin...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Geir Endal, Kjell Einar Ellingsen
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A subsea structure includes a support in the form of a foundation or a supporting structure mounted to a foundation. A method for installing a pipeline includes: providing the support with a pull-in point at a proximal location at a first side of the support; providing the support with a strong point at a distal location, which is spaced apart from the proximal location, there being a straight clear path between the pull-in point and the strong point bridging some of or all of a width of the support; passing a pull down wire through a guide at the strong point and using the pull down wire to pull in the pipeline; laying down the pipeline and passing the pull down wire along the clear path; and continuing the laying down and/or pulling in until a tie-in head of the pipeline is at a required location at the pull-in point.