Stage cementing methods used in casing while drilling

Details Stage cementing methods used in casing while drilling Stage cementing methods used in casing while drilling

E - Fixed Constructions

21

B

E21B 33/14 (2006.01) E21B 7/20 (2006.01)

Patent

CA 2651966

Apparatus and methods are provided for a cementing operation for use with a drilling with casing application. In one embodiment, an apparatus (1) is provided for stage cementing using a full opening stage tool (30). In another embodiment, an apparatus is provided for reverse cementing of the casing.

Cette invention concerne un dispositif et des procédés de cimentation mis en oeuvre avec une application de forage avec tubage. Un mode de réalisation concerne un dispositif utilisé pour la cimentation progressive au moyen d'un outil à plusieurs étages à ouverture intégrale. Un autre mode de réalisatio concerne un dispositif utilisé pour la cimentation inverse du tubage.

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