EP 0106549 A2 19840425 - Casing alignment tool.
Title (en)
Casing alignment tool.
Title (de)
Werkzeug zum Ausrichten von Futterrohren.
Title (fr)
Outil pour l'alignement de tubages.
Publication
Application
Priority
US 43330782 A 19821007
Abstract (en)
An oil well casing alignment tool is disclosed wherein a casing section that has been elevated to an upright position, aligns the upright casing and locks it in a vertical position while permitting the casing to be axially rotated until it locks it into the sealing point of the previous casing section.
IPC 1-7
IPC 8 full level
E21B 19/00 (2006.01); E21B 19/20 (2006.01)
CPC (source: EP)
E21B 19/00 (2013.01); E21B 19/20 (2013.01)
Designated contracting state (EPC)
DE GB NL
DOCDB simple family (publication)
EP 0106549 A2 19840425; EP 0106549 A3 19850508; EP 0106549 B1 19901003; CA 1238574 A 19880628; DE 3381921 D1 19901108; NO 163198 B 19900108; NO 163198 C 19900418; NO 833643 L 19840409
DOCDB simple family (application)
EP 83305501 A 19830920; CA 438513 A 19831006; DE 3381921 T 19830920; NO 833643 A 19831006