EXPANDABLE RETAINING SHOE

An improved downhole tool apparatus and method for limiting the extrusion of a packer element. The apparatus includes a mandrel having a packer element assembly. Packer retaining shoes are disposed about the mandrel at the ends of the packer element assembly. The packer retaining shoes have an inner...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WINSLOW, DONALD W, CROCKFORD, LLOYD A, SMITH, DONALD R
Format:	Patent
Sprache:	eng ; fre
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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