Installation of subsea risers

A method of installing a wave-configuration subsea riser 32 of unbonded flexible pipe comprises lowering the riser progressively into the sea from an installation vessel 30 while suspending an elongate clump weight 38 in a catenary shape that comprises first 70 and second 72 limbs extending upwardly...

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Bibliographische Detailangaben
Hauptverfasser:	Alberto Lima Dos Santos, Mauricio Suarez De Oliveira, Davi Couto Neves Junior, Andre Ramiro Amorim
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS EQUIPMENT FOR SHIPPING 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 PERFORMING OPERATIONS PIPES RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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