20-11-2014 дата публикации
Номер: US20140338909A1
Принадлежит:
Methods of subterranean cementing involving cement compositions comprising particulate foamed elastomers and associated methods are provided. In one embodiment, the methods comprise introducing a cement composition into a subterranean location, wherein the cement composition comprises a hydraulic cement, a particulate foamed elastomer, and an aqueous fluid; and allowing the cement composition to set in the subterranean location. 1. A method of cementing , comprising: a hydraulic cement,', 'a particulate foamed elastomer, and', 'an aqueous fluid; and, 'introducing a cement composition into a subterranean location, wherein the cement composition comprisesallowing the cement composition to set in the subterranean location.2. The method of wherein the particulate foamed elastomer comprises polyurethane foam.3. The method of wherein the particulate foamed elastomer comprises a foamed swellable elastomer.4. The method of wherein the particulate foamed elastomer comprises at least one foamed oil-swellable elastomer selected from the group consisting of ethylene propylene diene M-class rubber claim 1 , polyamide claim 1 , polypropylene claim 1 , polyethylene claim 1 , styrene butadiene claim 1 , styrene claim 1 , divinylbenzene claim 1 , natural rubber claim 1 , acrylate butadiene rubber claim 1 , polyacrylate rubber claim 1 , isoprene rubber claim 1 , chloroprene rubber claim 1 , butyl rubber claim 1 , brominated butyl rubber claim 1 , chlorinated butyl rubber claim 1 , chlorinated polyethylene claim 1 , neoprene rubber claim 1 , styrene butadiene copolymer rubber claim 1 , sulphonated polyethylene claim 1 , ethylene acrylate rubber claim 1 , epichlorohydrin ethylene oxide copolymer claim 1 , ethylene-propylene rubber claim 1 , ethylene-propylene-diene terpolymer rubber claim 1 , ethylene vinyl acetate copolymer claim 1 , fluorosilicone rubbers claim 1 , silicone rubbers claim 1 , poly 2 claim 1 ,2 claim 1 ,1-bicyclo heptene (polynorborneane) claim 1 , alkylstyrene claim 1 ...
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