Oil-well cement slurry

Details Oil-well cement slurry Oil-well cement slurry

2004-09-17

2009-06-02

Gay, Jennifer H (Department: 3676)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C166S285000

Reexamination Certificate

active

07540915

ABSTRACT:
The invention relates to a high-performance cement comprising an alumnic cement with an aluminium content of at least more than 30%; microsilica with a grain size of 0.1 - 20 μm whereby the percentage thereof is 35 % less by weight in comparison with the weight of the cement; mineral particles with a grain size of 0.5 - 500 μm whereby the percentage thereof is 35% less by weight in comparison with the weight of the cement, the percentage of said particles being less than that of the microsilica; a water-soluble polymer fluidifying agent whereby the percentage thereof is 0.2 to 3.0% in comparison with the weight of the cement; a retarding agent which is used to control the setting time of the slurry; an amount of water the maximum thereof corresponding to 40 % in relation to the cement.

REFERENCES:
patent: 6060535 (2000-05-01), Villar et al.
patent: 6332920 (2001-12-01), Noik et al.
patent: 6417268 (2002-07-01), Zhang et al.
patent: DD 152 776 (1981-12-01), None
patent: WO 99/23046 (1999-05-01), None

Affiliated with

Also associated with

Rating

Oil-well cement slurry does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Oil-well cement slurry, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oil-well cement slurry will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4092330