Multiple bottom plugs for cementing operations

Details Multiple bottom plugs for cementing operations Multiple bottom plugs for cementing operations

2006-12-22

2010-02-23

Bomar, Shane (Department: 3676)

Wells

Processes

Cementing, plugging or consolidating

C166S153000, C166S156000

Reexamination Certificate

active

07665520

ABSTRACT:
Methods and devices useful in stage cementing operations are provided. One example of an apparatus may comprise a catcher tube assembly and a deformable device. One example of a method is a method of stage cementing a casing string comprising: positioning a catcher tube on top of a float collar; pumping a first fluid through the casing string; placing a first deformable device in the casing string; and pumping a second fluid through the casing string, thereby causing the first deformable device to translate downward in the casing string and into the catcher tube.

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