Cementing compositions and application of such compositions...

Details Cementing compositions and application of such compositions... Cementing compositions and application of such compositions...

2005-06-07

2005-06-07

Marcantoni, Paul (Department: 1755)

Wells

Processes

Cementing, plugging or consolidating

C166S295000

Reexamination Certificate

active

06902001

ABSTRACT:
The present invention provides cementing compositions for oil wells or the like comprising an hydraulic binder and reinforcing particles constituted by a flexible material of low compressibility, and with an average grain size of less than 500 microns. The compositions of the invention are of particular advantage when cementing zones which are subjected to extreme dynamic stresses, such as perforation zones and the junctions of a multi-branch lateral well. They are also highly suitable for producing plugs.

REFERENCES:
patent: 3804058 (1974-04-01), Messenger
patent: 6742592 (2004-06-01), Le Roy-Delage et al.

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