US2008115692A1PendingUtilityA1

Foamed resin compositions and methods of using foamed resin compositions in subterranean applications

Assignee: HALLIBURTON ENERGY SERV INCPriority: Nov 17, 2006Filed: Nov 17, 2006Published: May 22, 2008
Est. expiryNov 17, 2026(~0.3 yrs left)· nominal 20-yr term from priority
C09K 8/518C09K 8/56C09K 8/80E21B 43/025
46
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Claims

Abstract

Methods are provided that include a method comprising: providing a foamed resin composition comprising a resin, a foaming agent, a compressible gas, and an aqueous fluid; and introducing the foamed resin composition into at least a portion of a subterranean formation. Additional methods are provided.

Claims

exact text as granted — not AI-modified
1 . A method comprising:
 providing a resin composition comprising a resin and an aqueous fluid;   foaming the resin composition using a method comprising a foaming agent and a compressible gas to form a foamed resin composition; and   introducing the foamed resin composition into an unconsolidated portion of a subterranean formation.   
     
     
         2 . The method of  claim 1  wherein the resin comprises at least one resin selected from the group consisting of: bisphenol A diglycidyl ether resin, butoxymethyl butyl glycidyl ether resin, bisphenol A-epichlorohydrin resin, polyepoxide resin, novolak resin, polyester resin, phenol-aldehyde resin, urea-aldehyde resin, furan resin, urethane resin, a glycidyl ether resin, and any combination thereof. 
     
     
         3 . The method of  claim 1  wherein the resin is present in the foamed resin composition in an amount in the range of from about 0.1% to about 10% by weight of the foamed resin composition. 
     
     
         4 . The method of  claim 1  wherein the foaming agent comprises at least one foaming agent selected from the group consisting of: a mixture of an ammonium salt of an alkyl ether sulfate, a cocoamidopropyl betaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride, and water; a mixture of an ammonium salt of an alkyl ether sulfate surfactant, a cocoamidopropyl hydroxysultaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride, and water; hydrolyzed keratin; a mixture of an ethoxylated alcohol ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant, and an alkyl or alkene dimethylamine oxide surfactant; an aqueous solution of an alpha-olefinic sulfonate surfactant and a betaine surfactant; and any combination thereof. 
     
     
         5 . The method of  claim 1  wherein the foaming agent is present in the foamed resin composition in an amount in the range of from about 0.01% to about 6% by weight of the foamed resin composition. 
     
     
         6 . The method of  claim 1  wherein the compressible gas comprises at least one compressible gas selected from the group consisting of: air, nitrogen, carbon dioxide, and any combination thereof. 
     
     
         7 . The method of  claim 1  wherein the compressible gas is present in an amount sufficient to produce a final foamed resin composition density from about 6 to about 12 pounds per gallon based on weight of water. 
     
     
         8 . The method of  claim 1  wherein the foamed resin composition further comprises a viscosifier. 
     
     
         9 . A method comprising:
 providing a resin composition comprising a resin and an aqueous fluid;   foaming the resin composition using a method comprising a foaming agent and a compressible gas to form a foamed resin composition;   introducing the foamed resin composition into at least a portion of a subterranean formation; and   allowing the foamed resin composition to at least partially consolidate at least a portion of the subterranean formation.   
     
     
         10 . The method of  claim 9  wherein the resin comprises at least one resin selected from the group consisting of: bisphenol A diglycidyl ether resin, butoxymethyl butyl glycidyl ether resin, bisphenol A-epichlorohydrin resin, polyepoxide resin, novolak resin, polyester resin, phenol-aldehyde resin, urea-aldehyde resin, furan resin, urethane resin, a glycidyl ether resin, and any combination thereof. 
     
     
         11 . The method of  claim 9  wherein the foaming agent comprises at least one foaming agent selected from the group consisting of: a mixture of an ammonium salt of an alkyl ether sulfate, a cocoamidopropyl betaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride, and water; a mixture of an ammonium salt of an alkyl ether sulfate surfactant, a cocoamidopropyl hydroxysultaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride, and water; hydrolyzed keratin; a mixture of an ethoxylated alcohol ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant, and an alkyl or alkene dimethylamine oxide surfactant;
 an aqueous solution of an alpha-olefinic sulfonate surfactant and a betaine surfactant; and any combination thereof.   
     
     
         12 . The method of  claim 9  wherein the foaming agent is present in the foamed resin composition in an amount in the range of from about 0.01% to about 6% by weight of the foamed resin composition. 
     
     
         13 . The method of  claim 9  wherein the compressible gas comprises at least one compressible gas selected from the group consisting of: air, nitrogen, carbon dioxide, and any combination thereof. 
     
     
         14 . The method of  claim 9  wherein the compressible gas is present in an amount sufficient to produce a final resin composition density from about 6 to about 12 pounds per gallon based on weight of water. 
     
     
         15 . A method comprising:
 providing a resin composition comprising a resin and an aqueous fluid;   foaming the resin composition using a method comprising a foaming agent and a compressible gas to form a foamed resin composition:   introducing the foamed resin composition into at least a portion of a subterranean formation; and   allowing the foamed resin composition to modify the stress-activated reactivity of at least a portion of a mineral surface in the subterranean formation.   
     
     
         16 . The method of  claim 15  wherein the resin comprises at least one resin selected from the group consisting of: bisphenol A diglycidyl ether resin, butoxymethyl butyl glycidyl ether resin, bisphenol A-epichlorohydrin resin, polyepoxide resin, novolak resin, polyester resin, phenol-aldehyde resin, urea-aldehyde resin, furan resin, urethane resin, a glycidyl ether resin, and any combination thereof. 
     
     
         17 . The method of  claim 15  wherein the foaming agent comprises at least one foaming agent selected from the group consisting of: a mixture of an ammonium salt of an alkyl ether sulfate, a cocoamidopropyl betaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride, and water; a mixture of an ammonium salt of an alkyl ether sulfate surfactant, a cocoamidopropyl hydroxysultaine surfactant, a cocoamidopropyl dimethylamine oxide surfactant, sodium chloride, and water;
 hydrolyzed keratin; a mixture of an ethoxylated alcohol ether sulfate surfactant, an alkyl or alkene amidopropyl betaine surfactant, and an alkyl or alkene dimethylamine oxide surfactant; an aqueous solution of an alpha-olefinic sulfonate surfactant and a betaine surfactant; and any combination thereof.   
     
     
         18 . The method of  claim 15  wherein the foaming agent is present in the foamed resin composition in an amount in the range of from about 0.01% to about 6% by weight of the foamed resin composition. 
     
     
         19 . The method of  claim 15  wherein the compressible gas comprises at least one compressible gas selected from the group consisting of: air, nitrogen, carbon dioxide, and any combination thereof. 
     
     
         20 . The method of  claim 15  wherein the compressible gas is present in an amount sufficient to produce a final resin composition density from about 6 to about 12 pounds per gallon based on weight of water.

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