Well cementing apparatus and method

Details Well cementing apparatus and method Well cementing apparatus and method

Category

E - Fixed Constructions

Subcategory

21

Subsubcategory

B

IPC codes

E21B 33/13 (2006.01)

Type

Patent

Patent number

CA 2541318

Description

A cementing apparatus for use in cementing operations using concentric tubing or drill string such as concentric drill pipe, concentric coiled tubing, and the like is provided having an isolation cementing tool and a cementing flow control means. Concentric tubing or drill string adapted for use in cementing a well is further disclosed. A method for cementing a well using concentric tubing or drill string is also provided.

L'invention concerne un appareil de cimentation destiné à des opérations de cimentation et faisant appel à un train de tiges de forage ou de tubes concentriques tels que des tubes de forage concentriques, des tubes enroulés concentriques, et autre tubes analogues, et muni d'un outil de cimentation et d'isolation et de dispositifs de contrôle de l'écoulement du fluide de cimentation. L'invention décrit aussi le train de tiges de forage ou de tubes concentriques adaptés à la cimentation d'un puits de forage, ainsi que la méthode de cimentation d'un puits à l'aide d'un train de tiges de forage ou de tubes concentriques.

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