Cementing compositions and applications of such compositions to

Details Cementing compositions and applications of such compositions to Cementing compositions and applications of such compositions to

1997-06-17

2000-05-09

Cain, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C09K 700

Patent

active

060605359

ABSTRACT:
The present invention concerns a cementing composition for an oil (or similar) well, based on an aluminous hydraulic cement, fine particles, hollow microspheres, water in a quantity such that the porosity is in the range 25% to 50%, a dispersing agent, a setting accelerator for the aluminous cement and optionally, other conventional additives. The invention is of particular application to cementing conductor pipes in arctic zones or in deep-water wells.

REFERENCES:
patent: 3581825 (1971-06-01), Messenger
patent: 4234344 (1980-11-01), Tinsley et al.
patent: 4915740 (1990-04-01), Sakai et al.
patent: 4960465 (1990-10-01), Asfaei
patent: 5226961 (1993-07-01), Nahm et al.
patent: 5488992 (1996-02-01), Cowon et al.
J.F. Baret, J.P. Villar, M. Michaux, Schlumberger Dowell, "Cementing Conductor Pipes Under Deep Water", Offshore Mediterranean Conference 97, pp. 887-898.
French Search Report, Mar. 17, 1997, France.

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