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

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.

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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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Beschreibung
Zusammenfassung: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.