Liner running tool, method, and system

A running tool which includes a mandrel, a thread engager disposed upon the mandrel, a support supporting the thread engager in a first position and unsupporting the thread engager in a second position, and a torque dog sub including a torque dog, a lock dog, and lock dog sleeve disposed on the mand...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Yee, Chee Kong, Tom, Andy
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 running tool which includes a mandrel, a thread engager disposed upon the mandrel, a support supporting the thread engager in a first position and unsupporting the thread engager in a second position, and a torque dog sub including a torque dog, a lock dog, and lock dog sleeve disposed on the mandrel. A liner system which includes a liner system component, a running tool engaged with the liner component. A borehole system including a borehole in a subsurface formation, and a liner system in the borehole. A method for releasing a liner including pressuring up on the running tool, shifting the lock dog sleeve, and slacking weight to shift the support. A method for releasing a liner including applying neutral set down weight to the running tool, rotating the support, slacking weight to shift the support, and moving the tool out of engagement with the liner.