E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/14 (2006.01) C04B 20/00 (2006.01) C04B 28/02 (2006.01) C09K 8/46 (2006.01) E21B 33/13 (2006.01)
Patent
CA 2421331
A slurry for hydrocarbon production and water injection well cementing, and procedures to cement wells using such slurry are provided. The slurry contains at least cement and water, and at least an amount of fibers in a ratio of 0.1 to 0.8% in weight with respect to cement weight, where the fibers may in general be of polypropylene, polystyrene, carbon, alkali-resistant glass, cellulose or polymers. The slurry may also comprise other additives, such as dispersants, fluid loss agents, accelerators and retarders, chemical extenders and latex, among others. Procedures to cement hydrocarbon production wells or water injection wells are also described, where the cement slurry is prepared incorporating fibers into the slurry separately or mixing them with the remaining dry components before adding water.
Bianchi Gustavo Luis
Cacho Jose Andres
Morris Walter
Pride International Inc.
Riches Mckenzie & Herbert Llp
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