SECONDARY BARRIER FOR USE IN CONJUNCTION WITH AN ISOLATION DEVICE IN A HORIZONTAL WELLBORE

A secondary barrier for use in conjunction with an isolation device in a portion of a non-vertical wellbore comprises: a swellable material, wherein the swellable material: (A) has dimensions such that, prior to swelling, the secondary barrier is capable of being placed into the portion of the non-v...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WEBB SHAWN R, HALES JOHN H
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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