Sand barrier for a level 3 multilateral wellbore junction

A relatively thin walled sleeve having a premachined window is disposed at a casing window in a wellbore. The sleeve is set in place with the casing or on a separate run wherein the running tool also includes a dog to align the sleeve premachined window with the casing window both linearly and rotat...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DOUGLAS J MURRAY, ENRIQUE M. PROANO, JOHN J. JOHNSON
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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