Torque resistent whipstock

A retrievable whipstock is connected to a packer below the whipstock. The whipstock comprises an upper housing (32) attached to the deflecting portion (30) and a lower housing (34) attached to the packer. Housings (32,34) are prevented from rotating with respect to each other by engagement of profil...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WHITE, PAT M
Format:	Patent
Sprache:	eng ; fre ; ger
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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