Well cementing apparatus and method

Details Well cementing apparatus and method Well cementing apparatus and method

2006-03-27

2009-06-02

Bagnell, David J (Department: 3672)

Wells

Processes

Cementing, plugging or consolidating

C166S285000, C166S177400

Reexamination Certificate

active

07540325

ABSTRACT:
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.

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