Cement compositions comprising a high-density particulate elastomer and associated methods

Abstract

A variety of methods and compositions, including, in one embodiment, a method of treating a subterranean formation comprising introducing a treatment fluid into a well bore, wherein the treatment fluid comprises a particulate elastomer having a specific gravity of at least about 1.6. Another method of treating a subterranean formation comprises introducing a treatment fluid into a well bore, wherein the treatment fluid comprises a particulate elastomer having a specific gravity of at least about 1.05, wherein the particulate elastomer comprises a halogenated thermoplastic.

1 . A cement composition comprising cement, water, and a particulate elastomer having a specific gravity of at least about 1.6, wherein the particulate elastomer comprises at least one thermoplastic selected from the group consisting of: a fluorinated polymer of ethylene and propylene; a polymer of tetrafluoroethylene and perfluorovinylether; a polymer of tetrafluoroethylene and ethylene; a polymer of tetrafluoroethylene and hexafluoropropylene; a polymer of vinylidene fluoride; a polymer of tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride; perfluoroalkoxy polymer resin; chlorotrifluoroethylene; fluorinated ethylene-propylene; polyethylenetetrafluoroethylene; polyvinylfluoride; polyethylenechlorotrifluoroethylene; polyvinylidene fluoride; polychlorotrifluoroethylene; a perfluoroelastomer; a fluoro-carbon elastomer; polyamide imide; polyetherether ketone; polyphenylene sulfide; polyetherketone; and any combination thereof. 
     
     
         2 . The cement composition of  claim 1  wherein the cement comprises a hydraulic cement. 
     
     
         3 . The cement composition of  claim 1  wherein the particulate elastomer has a specific gravity of at least about 2.0. 
     
     
         4 . The cement composition of  claim 1  wherein the particulate elastomer comprises a halogenated thermoplastic. 
     
     
         5 . The cement composition of  claim 1  wherein the particulate elastomer comprises a fluoroplastic. 
     
     
         6 . The cement composition of  claim 1  wherein the particulate elastomer is present in the cement composition in an amount of about 0.5% to about 50% by weight of the cement. 
     
     
         7 . The cement composition of  claim 1  wherein the particulate elastomer has a particle size of about 5 microns to about 1,500 microns. 
     
     
         8 . The cement composition of  claim 1  further comprising a swellable elastomer. 
     
     
         9 . The cement composition of  claim 1  wherein the cement composition is foamed. 
     
     
         10 . A cement composition comprising cement, water, and a particulate elastomer having a specific gravity of at least about 1.05, wherein the particulate elastomer comprises a halogenated thermoplastic selected from the group consisting of: a fluorinated polymer of ethylene and propylene; a polymer of tetrafluoroethylene and perfluorovinylether; a polymer of tetrafluoroethylene and ethylene; a polymer of tetrafluoroethylene and hexafluoropropylene; a polymer of vinylidene fluoride; a polymer of tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride; perfluoroalkoxy polymer resin; chlorotrifluoroethylene; fluorinated ethylene-propylene; polyethylenetetrafluoroethylene; polyvinylfluoride; polyethylenechlorotrifluoroethylene; polyvinylidene fluoride; polychlorotrifluoroethylene; a perfluoroelastomer; a fluoro-carbon elastomer; and any combination thereof. 
     
     
         11 . The cement composition of  claim 10  wherein the particulate elastomer has a specific gravity of at least about 2.0. 
     
     
         12 . The cement composition of  claim 10  wherein the halogenated thermoplastic comprises a fluoroplastic. 
     
     
         13 . The cement composition of  claim 10  wherein the particulate elastomer has a particle size of about 5 microns to about 1,500 microns. 
     
     
         14 . The cement composition of  claim 10  further comprising a swellable elastomer. 
     
     
         15 . A cement composition comprising cement, water, and a particulate elastomer comprising a polymer of tetrafluoroethylene and perfluorovinylether. 
     
     
         16 . The cement composition of  claim 15  wherein the particulate elastomer has a specific gravity of at least about 1.05. 
     
     
         17 . The cement composition of  claim 15  wherein the particulate elastomer has a particle size of about 5 microns to about 1,500 microns. 
     
     
         18 . The cement composition of  claim 15  wherein the particulate elastomer is present in the cement composition in an amount of about 0.5% to about 50% by weight of the cement. 
     
     
         19 . The cement composition of  claim 18  wherein the cement composition further comprises a swellable elastomer. 
     
     
         20 . The cement composition of  claim 19  wherein the swellable elastomer is present in the cement composition in an amount of about 0.5% to about 50% by weight of the cement.