Bottom hole assembly retrieval for casing-while-drilling operations using a tethered float valve

A bottom hole assembly for a casing-while-drilling operation utilizes a tethered float valve to retrieve the bottom hole assembly after the casing string has been positioned at a desired wellbore depth.

Bibliographische Detailangaben

Hauptverfasser:	Ankit Purohit, Bhargav Gajji, Sanjay Sawant, Anand Bhagwat Kedare
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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