E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/20 (2006.01) E21B 21/10 (2006.01) E21B 33/14 (2006.01)
Patent
CA 2675667
The present invention relates to a shoe for wellbore lining tubing and to a method of locating wellbore lining tubing in a wellbore. In particular, but not exclusively, the present invention relates to a shoe for wellbore lining tubing having an improved fluid flow diverter assembly for controlling circulation of fluid in the wellbore.
La présente invention concerne un sabot destiné à un cuvelage de puits de forage et un procédé pour mettre en place un cuvelage dans un puits de forage. L'invention concerne, entre autres, un sabot destiné à un cuvelage de puits de forage présentant un système de déflexion de flux de liquide amélioré destiné à commander la circulation de liquide dans le puits de forage.
Howlett Paul
Wardley Michael
Caledus Limited
Teitelbaum & Maclean
LandOfFree
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