Apparatus, system and method for tethering a subsea well assembly

Tethering by applying tension to subsea well equipment such as a blowout preventor, an intervention lubricator or a lower riser package 24. A tethering member 32 is arrangeable to tether the subsea well control equipment to a subsea mount. The subsea tensioning apparatus comprises a chain block C th...

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Bibliographische Detailangaben
Hauptverfasser:	Charles Alexander Gilmour Gourley, James MacDonald Stewart
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	Tethering by applying tension to subsea well equipment such as a blowout preventor, an intervention lubricator or a lower riser package 24. A tethering member 32 is arrangeable to tether the subsea well control equipment to a subsea mount. The subsea tensioning apparatus comprises a chain block C that is configured to be coupled to the tethering member and apply a tension to the tethering member. The tensioning member may also comprise a rotatable drum (144, fig 17A).