NIGHTCAP ASSEMBLY FOR CLOSING A WELLHEAD AND METHOD OF USING SAME

A nightcap system and assembly for closing a wellhead assembly positioned about a wellbore. The nightcap assembly includes a boom and a hoist. The boom includes a boom cylinder connectable to the wellhead assembly and a boom piston extendable from the cylinder. The hoist includes a hoist cylinder co...

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Bibliographische Detailangaben
Hauptverfasser:	Henry, Joel, Schroeder, Bruce, Montifar, Roma, Anthony, James William
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:	A nightcap system and assembly for closing a wellhead assembly positioned about a wellbore. The nightcap assembly includes a boom and a hoist. The boom includes a boom cylinder connectable to the wellhead assembly and a boom piston extendable from the cylinder. The hoist includes a hoist cylinder connectable to the wellhead assembly and a hoist piston extendable therefrom. The hoist piston includes a nightcap support to carry a nightcap. The hoist is connectable to the boom piston and movable therewith whereby the nightcap may be inserted into an opening of the wellhead assembly.