Cementing well bore pipe with activator on outer surface

Details Cementing well bore pipe with activator on outer surface Cementing well bore pipe with activator on outer surface

E - Fixed Constructions

21

B

E21B 33/14 (2006.01) C04B 40/06 (2006.01) C09K 8/467 (2006.01)

Patent

CA 2585077

Improved casing strings, and methods of using improved casing strings (4) in subterranean operations, are provided. An example of a method is a method of cementing a pipe string in a subterranean formation. Another example of a method is a method of cementing a pipe string in a well bore (10). An example of an apparatus is an improved pipe string comprising at least one pipe section; and a delivery system of an activator; wherein the delivery system of an activator is disposed adjacent an outer surface of the at least one pipe section.

La présente invention décrit des colonnes de cuvelage améliorées et des procédés d'utilisation de colonnes de cuvelage (4) améliorées dans des opérations souterraines. Un exemple de procédé est un procédé de cimentation d'une colonne de tiges dans une formation souterraine. Un autre exemple de procédé est un procédé de cimentation d'une colonne de tiges dans un forage (10). Un exemple d'appareil est une colonne de tiges améliorée comprenant au moins une section de tige ; et un système de débit d'un activateur, le système de débit d'activateur étant disposé à côté d'une surface extérieure de la ou des sections de tige.

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