Compositions for Stimulating Liquid-Sensitive Subterranean Formations

Abstract

A method comprising: A subterranean formation stimulation fluid comprising a stimulation gas and a consolidating agent. Suitable consolidating agents include aqueous tackifying agents, curable compositions, and noncurable and nonaqueous consolidating compositions.

1 - 20 . (canceled) 
     
     
         21 . A subterranean formation stimulation fluid comprising a compressible stimulation gas and a consolidating agent wherein the stimulation fluid comprises a compressible stimulation gas in an amount of about 80% or more by volume of the stimulation fluid. 
     
     
         22 . The stimulation fluid of  claim 21  wherein the stimulation fluid includes at least one additional component chosen from the group consisting of: a diluting agent, a surfactant, a hydrocarbon carrier, and a plurality of proppant particulates. 
     
     
         23 . The stimulation fluid of  claim 21  wherein the compressible stimulation gas is chosen from the group consisting of: nitrogen, air, carbon dioxide, propane, or ammonia. 
     
     
         24 . The stimulation fluid of  claim 21  wherein the consolidating agent is an aqueous tackifying agent, a curable resin, or a noncurable and nonaqueous consolidating composition. 
     
     
         25 . The stimulation fluid of  claim 24  wherein the aqueous tackifying agent is chosen from the group consisting of: acrylic acid polymers; acrylic acid ester polymers; acrylic acid derivative polymers; acrylic acid homopolymers; acrylic acid ester homopolymers; poly(methyl acrylate); poly (butyl acrylate); poly(2-ethylhexyl acrylate); acrylic acid ester co-polymers; methacrylic acid derivative polymers; methacrylic acid homopolymers; methacrylic acid ester homopolymers; poly(methyl methacrylate); poly(butyl methacrylate); poly(2-ethylhexyl methacrylate); acrylamido-methyl-propane sulfonate polymers; acrylamido-methyl-propane sulfonate derivative polymers; acrylamido-methyl-propane sulfonate co-polymers; acrylic acid/acrylamido-methyl-propane sulfonate co-polymers; and combinations thereof. 
     
     
         26 . The stimulation fluid of  claim 24  wherein the aqueous tackifying agent is selected from the group consisting of: benzyl coco di-(hydroxyethyl) quaternary amine, p-T-amyl-phenol condensed with formaldehyde; and a copolymer comprising from about 80% to about 100% C 1-30  alkylmethacrylate monomers and from about 0% to about 20% hydrophilic monomers. 
     
     
         27 . The stimulation fluid of  claim 26  wherein the hydrophilic-monomers are selected from the group consisting of: dialkyl amino alkyl (meth) acrylates; unsaturated carboxylic acids; methacrylic acid; acrylic acid; hydroxyethyl acrylate; and acrylamide. 
     
     
         28 . The stimulation fluid of  claim 24  wherein the aqueous tackifying agent is a solution-based polymer having a concentration of about 20% to about 40%. 
     
     
         29 . The stimulation fluid of  claim 24  wherein the curable resin composition is selected from the group consisting of: two component epoxy based resins; novolak resins; polyepoxide resins; phenol-aldehyde resins; urea-aldehyde resins; urethane resins; phenolic resins; furan resins; furan/furfuryl alcohol resins; phenolic/latex resins; phenol formaldehyde resins; polyester resins and hybrids and copolymers thereof; polyurethane resins and hybrids and copolymers thereof; acrylate resins; and mixtures thereof. 
     
     
         30 . The stimulation fluid of  claim 24  wherein the curable composition is cured with an internal catalyst, activator, a time-delayed catalyst, or an external catalyst. 
     
     
         31 . The stimulation fluid of  claim 24  wherein the curable composition has a viscosity of about 1 cP to about 100 cP. 
     
     
         32 . The stimulation fluid of  claim 24  wherein the curable composition comprises a solvent chosen from the group consisting of: butyl lactate; butylglycidyl ether; dipropylene glycol methyl ether; dipropylene glycol dimethyl ether; dimethyl formamide; diethyleneglycol methyl ether; ethyleneglycol butyl ether; diethyleneglycol butyl ether; propylene carbonate; methanol; butyl alcohol; d-limonene; fatty acid methyl esters; dissolvable solvents; methanol; isopropanol; butanol; glycol ether solvents; diethylene glycol methyl ether; dipropylene glycol methyl ether; 2-butoxy ethanol; ethers of a C 2  to C 6  dihydric alkanol containing at least one C 1  to C 6  alkyl group; mono ethers of dihydric alkanols; methoxypropanol; butoxyethanol; hexoxyethanol; isomers thereof; and combinations thereof. 
     
     
         33 . The stimulation fluid of  claim 24  wherein the noncurable and nonaqueous consolidating composition is selected from the group consisting of: condensation reaction products comprised of polyacids and a polyamine; mixtures of C 36  dibasic acids containing some trimer and higher oligomers and monomer acids that are reacted with polyamines; polyacids; trimer acids; synthetic acids produced from fatty acids; maleic anhydride; acrylic acid; liquids or solutions of polyesters, polycarbonates, polycarbamates, or natural resins; silyl-modified polyamides; and combinations thereof. 
     
     
         34 . The stimulation fluid of  claim 24  wherein the noncurable and nonaqueous consolidating composition comprises a multifunctional material. 
     
     
         35 . The stimulation fluid of  claim 34  wherein the multifunctional material is chosen from the group consisting of: aldehydes; formaldehyde; dialdehydes; glutaraldehyde; hemiacetals; aldehyde releasing compounds; diacid halides; dihalides; dichlorides; dibromides; polyacid anhydrides; citric acid; epoxides; furfuraldehyde; glutaraldehyde; aldehyde condensates; and combinations thereof. 
     
     
         36 . The stimulation fluid of  claim 34  wherein the noncurable and nonaqueous consolidating composition includes a solvent chosen from the group consisting of: butylglycidyl ether; dipropylene glycol methyl ether; butyl bottom alcohol; dipropylene glycol dimethyl ether; diethyleneglycol methyl ether; ethyleneglycol butyl ether; methanol; butyl alcohol; isopropyl alcohol; diethyleneglycol butyl ether; propylene carbonate; d-limonene; 2-butoxy ethanol; butyl acetate; furfuryl acetate; butyl lactate; dimethyl sulfoxide; dimethyl formamide; fatty acid methyl esters; and combinations thereof. 
     
     
         37 . The stimulation fluid of  claim 22  wherein the surfactant is a cationic surfactant, an anionic surfactant, a nonionic surfactant, or an amphoteric surfactant. 
     
     
         38 . A composition comprising: a compressible stimulation gas, a hydrocarbon carrier, and a consolidating agent, wherein the composition is suitable for use as a stimulation fluid in a subterranean formation and wherein the compressible stimulation gas is present in the composition in an amount of about 80% or more by volume of the combination of a compressible stimulation gas, a hydrocarbon carrier, and a consolidating agent. 
     
     
         39 . A subterranean formation stimulation fluid comprising a compressible stimulation gas and a consolidating agent, wherein the consolidating agent is present in the stimulation fluid as a liquid, mist, or a combination of thereof, and wherein the compressible stimulation gas is present in the stimulation fluid in an amount of about 80% or more by volume of the stimulation fluid.