Method and apparatus of untethered casing and bore hole survey through the drill string while tripping out drill pipe

A method for measuring the thickness of casing in a wellbore and/or analyzing the inner surface of the cased or non-cased wellbore. The method includes an positioning an untethered logging tool in a drill string, receiving the logging tool in a catcher positioned within the drill string, positioning...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Jarl Andre Fellinghaug, Robert Norlander, Anton Kulyakhtin
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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