EXTERNAL SLEEVE CEMENTER

A stage cementing tool for use in a wellbore comprises a mandrel having a plurality of circumferentially spaced first longitudinal slots and a plurality of circumferentially spaced second longitudinal slots. An opening sleeve is disposed in the mandrel in a first position and movable relative theret...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Santoso, Handoko Tirto, Acosta Villarreal, Frank Vinicia, Patil, Ishwar, Helms, Lonnie Carl, Desai, Priyanshkumar
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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