Methods for Controlling Unconsolidated Particulates in a Subterranean Formation

Abstract

Methods of treating a wellbore in a subterranean formation comprising unconsolidated particulates including providing a treatment fluid comprising a furan-based resin and a stimuli-delayed acid generator; wherein the stimuli-delayed acid generator generates acid upon encountering a wellbore stimulus and wherein at least a portion of the stimuli-delayed acid generator is a liquid; introducing the treatment fluid into the wellbore in the subterranean formation; and stimulating the stimuli-delayed acid generator so as to generate acid and at least partially cure the furan-based resin; wherein the at least partial curing of the furan-based resin at least partially consolidates the unconsolidated particulates.

1 . A method comprising:
 providing a wellbore in a subterranean formation comprising unconsolidated particulates;   providing a treatment fluid comprising a furan-based resin and a stimuli-delayed acid generator,
 wherein the stimuli-delayed acid generator is selected from the group consisting of a polylactic acid; a polyglycolic acid; a poly(3-hydroxybutyrate); a polysuccinate ester; a polyanhydride; a maleic anhydride; an orthoester; a formate ester-diethylene glycol diformate; an ethyl lactate; a methyl lactate; an acetate ester; a L-dilactide; a glucono-delta-lactone; a lactate ester butyl lactate; poly(lactic-co-glycolic acid); a poly(glycolic-co-caprolactone); a polycaprolactone; a poly(glycolic-co-trimethylene carbonate); a poly(lactic-co-caprolactone); a poly(lactic-co-trimethylene carbonate); a polyglyconate; a polyglactin; a poly(lactic-co-glycolic acid)-methoxy-poly(ethyleneglycol) copolymer; a polydioxanone; an ethyl lactate; a methyl lactate; a L-dilactide; a glucono-delta-lactone; any copolymers thereof; any derivatives thereof; and any combinations thereof, and 
 wherein the stimuli-delayed acid generator generates acid upon encountering a wellbore stimulus and wherein at least a portion of the stimuli-delayed acid generator is a liquid; 
   introducing the treatment fluid into the wellbore in the subterranean formation; and   stimulating the stimuli-delayed acid generator so as to generate acid and at least partially cure the furan-based resin;
 wherein the at least partial curing of the furan-based resin at least partially consolidates the unconsolidated particulates. 
   
     
     
         2 . The method of  claim 1 , wherein the treatment fluid further comprises a base fluid. 
     
     
         3 . The method of  claim 1 , wherein the furan-based resin is selected from the group consisting of a furan resin; a furfuryl alcohol resin; a furan-aldehyde; a furan-phenolic resin; and any combinations thereof. 
     
     
         4 . The method of  claim 1 , wherein the treatment fluid further comprises a silane coupling agent. 
     
     
         5 . The method of  claim 4 , wherein the silane coupling agent is selected from the group consisting of N-β-(aminoethyl)-γ-aminopropyl trimethoxysilane, N-2-(aminoethyl)-3-aminopropyltrimethoxysilane; 3-glycidoxypropyltrimethoxysilane; gamma-aminopropyltriethoxysilane; N-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilanes; aminoethyl-N-beta-(aminoethyl)-gamma-aminopropyl-trimethoxysilanes; gamma-ureidopropyl-triethoxysilanes; beta-(3-4 epoxy-cyclohexyl)-ethyl-trimethoxysilane; gamma-glycidoxypropyltrimethoxysilanes; vinyltrichlorosilane; vinyltris(beta-methoxyethoxy) silane; vinyltriethoxysilane; vinyltrimethoxysilane; 3-metacryloxypropyltrimethoxysilane; beta-(3,4 epoxycyclohexyl)-ethyltrimethoxysilane; r-glycidoxypropyltrimethoxysilane; r-glycidoxypropylmethylidiethoxysilane; N-beta-(aminoethyl)-r-aminopropyl-trimethoxysilane; N-beta-(aminoethyl)-r-aminopropylmethyldimethoxysilane; 3-aminopropyl-triethoxysilane; N-phenyl-r-aminopropyltrimethoxysilane; r-mercaptopropyltrimethoxysilane; r-chloropropyltrimethoxysilane; vinyltris(beta-methoxyethoxy) silane; r-metacryloxypropyltrimethoxysilane; beta-(3,4 epoxycyclohexyl)-ethyltrimethoxysila; r-glycidoxypropyltrimethoxysilane; r-glycidoxypropylmethylidiethoxysilane; N-beta-(aminoethyl)-r-aminopropyltrimethoxysilane; N-beta-(aminoethyl)-r-aminopropylmethyldimethoxysilane; r-aminopropyltriethoxysilane; N-[3-(trimethoxysilyl)propyl]-ethylenediamine; and any combinations thereof. 
     
     
         6 . The method of  claim 1 , wherein the treatment fluid further comprises a surfactant. 
     
     
         7 . The method of  claim 6 , wherein the surfactant is selected from the group consisting of an alkyl phosphonate surfactant; an ethoxylated nonyl phenol phosphonate ester surfactant; a cationic surfactant; a nonionic surfactant; and any combinations thereof. 
     
     
         8 . The method of  claim 1 , further comprising introducing a pre-flush fluid into the wellbore in the subterranean formation prior to the introduction of the treatment fluid. 
     
     
         9 . The method of  claim 1 , further comprising introducing a post-flush fluid into the wellbore in the subterranean formation subsequent to stimulating the stimuli-delayed acid generator. 
     
     
         10 . A method comprising:
 providing a wellbore in a subterranean formation comprising unconsolidated particulates;   providing a treatment fluid comprising a furan-based resin;   introducing the treatment fluid into the wellbore in the subterranean formation;   placing a stimuli-delayed acid generator into the wellbore in the subterranean formation;
 wherein the stimuli-delayed acid generator generates acid upon encountering a wellbore stimulus and wherein at least a portion of the stimuli-delayed acid generator is a liquid; and 
   stimulating the stimuli-delayed acid generator so as to generate acid and at least partially cure the furan-based resin;
 wherein the at least partial curing of the furan-based resin at least partially consolidates the unconsolidated particulates. 
   
     
     
         11 . The method of  claim 10 , wherein the treatment fluid further comprises a base fluid. 
     
     
         12 . The method of  claim 10 , wherein the furan-based resin is selected from the group consisting of a furan resin; a furfuryl alcohol resin; a furan-aldehyde; a furan-phenolic resin; and any combinations thereof. 
     
     
         13 . The method of  claim 10 , wherein the treatment fluid further comprises a silane coupling agent selected from the group consisting of N-β-(aminoethyl)-γ-aminopropyl trimethoxysilane, N-2-(aminoethyl)-3-aminopropyltrimethoxysilane; 3-glycidoxypropyltrimethoxysilane; gamma-aminopropyltriethoxysilane; N-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilanes; aminoethyl-N-beta-(aminoethyl)-gamma-aminopropyl-trimethoxysilanes; gamma-ureidopropyl-triethoxysilanes; beta-(3-4 epoxy-cyclohexyl)-ethyl-trimethoxysilane; gamma-glycidoxypropyltrimethoxysilanes; vinyltrichlorosilane; vinyltris(beta-methoxyethoxy) silane; vinyltriethoxysilane; vinyltrimethoxysilane; 3-metacryloxypropyltrimethoxysilane; beta-(3,4 epoxycyclohexyl)-ethyltrimethoxysilane; r-glycidoxypropyltrimethoxysilane; r-glycidoxypropylmethylidiethoxysilane; N-beta-(aminoethyl)-r-aminopropyl-trimethoxysilane; N-beta-(aminoethyl)-r-aminopropylmethyldimethoxysilane; 3-aminopropyl-triethoxysilane; N-phenyl-r-aminopropyltrimethoxysilane; r-mercaptopropyltrimethoxysilane; r-chloropropyltrimethoxysilane; vinyltris(beta-methoxyethoxy) silane; r-metacryloxypropyltrimethoxysilane; beta-(3,4 epoxycyclohexyl)-ethyltrimethoxysila; r-glycidoxypropyltrimethoxysilane; r-glycidoxypropylmethylidiethoxysilane; N-beta-(aminoethyl)-r-aminopropyltrimethoxysilane; N-beta-(aminoethyl)-r-aminopropylmethyldimethoxysilane; r-aminopropyltriethoxysilane; N-[3-(trimethoxysilyl)propyl]-ethylenediamine; and any combinations thereof. 
     
     
         14 . The method of  claim 10 , wherein the treatment fluid further comprises a surfactant selected from the group consisting of an alkyl phosphonate surfactant; an ethoxylated nonyl phenol phosphonate ester surfactant; a cationic surfactant; a nonionic surfactant; and any combinations thereof. 
     
     
         15 . The method of  claim 10 , further comprising introducing a pre-flush fluid into the wellbore in the subterranean formation prior to the introduction of the treatment fluid. 
     
     
         16 . The method  claim 10 , further comprising introducing a post-flush fluid into the wellbore in the subterranean formation subsequent to stimulating the stimuli-delayed acid generator. 
     
     
         17 . A method comprising:
 providing a wellbore in a subterranean formation comprising unconsolidated particulates;   providing a treatment fluid comprising a furan-based resin and a stimuli-delayed acid generator,
 wherein the stimuli-delayed acid generator is selected from the group consisting of a polylactic acid; a polyglycolic acid; a poly(3-hydroxybutyrate); a polysuccinate ester; a polyanhydride; a maleic anhydride; an orthoester; a formate ester-diethylene glycol diformate; an ethyl lactate; a methyl lactate; an acetate ester; a L-dilactide; a glucono-delta-lactone; a lactate ester butyl lactate; poly(lactic-co-glycolic acid); a poly(glycolic-co-caprolactone); a polycaprolactone; a poly(glycolic-co-trimethylene carbonate); a poly(lactic-co-caprolactone); a poly(lactic-co-trimethylene carbonate); a polyglyconate; a polyglactin; a poly(lactic-co-glycolic acid)-methoxy-poly(ethyleneglycol) copolymer; a polydioxanone; an ethyl lactate; a methyl lactate; a L-dilactide; a glucono-delta-lactone; any copolymers thereof; any derivatives thereof; and any combinations thereof, 
 wherein the furan-based resin is selected from the group consisting of a furan resin; a furfuryl alcohol resin; a furan-aldehyde; a furan-phenolic resin; and any combinations thereof, and 
 wherein the stimuli-delayed acid generator generates acid upon encountering a wellbore stimulus and wherein at least a portion of the stimuli-delayed acid generator is a liquid; 
   introducing a pre-flush fluid into the wellbore in the subterranean formation;   introducing the treatment fluid into the wellbore in the subterranean formation;   stimulating the stimuli-delayed acid generator so as to generate acid and at least partially cure the furan-based resin;
 wherein the at least partial curing of the furan-based resin at least partially consolidates the unconsolidated particulates; and 
   introducing a post-flush fluid into the wellbore in the subterranean formation.   
     
     
         18 . The method of  claim 17 , wherein the treatment fluid further comprises a base fluid. 
     
     
         19 . The method of  claim 17 , wherein the treatment fluid further comprises a silane coupling agent selected from the group consisting of N-β-(aminoethyl)-γ-aminopropyl trimethoxysilane, N-2-(aminoethyl)-3-aminopropyltrimethoxysilane; 3-glycidoxypropyltrimethoxysilane; gamma-aminopropyltriethoxysilane; N-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilanes; aminoethyl-N-beta-(aminoethyl)-gamma-aminopropyl-trimethoxysilanes; gamma-ureidopropyl-triethoxysilanes; beta-(3-4 epoxy-cyclohexyl)-ethyl-trimethoxysilane; gamma-glycidoxypropyltrimethoxysilanes; vinyltrichlorosilane; vinyltris(beta-methoxyethoxy) silane; vinyltriethoxysilane; vinyltrimethoxysilane; 3-metacryloxypropyltrimethoxysilane; beta-(3,4 epoxycyclohexyl)-ethyltrimethoxysilane; r-glycidoxypropyltrimethoxysilane; r-glycidoxypropylmethylidiethoxysilane; N-beta-(aminoethyl)-r-aminopropyl-trimethoxysilane; N-beta-(aminoethyl)-r-aminopropylmethyldimethoxysilane; 3-aminopropyl-triethoxysilane; N-phenyl-r-aminopropyltrimethoxysilane; r-mercaptopropyltrimethoxysilane; r-chloropropyltrimethoxysilane; vinyltris(beta-methoxyethoxy) silane; r-metacryloxypropyltrimethoxysilane; beta-(3,4 epoxycyclohexyl)-ethyltrimethoxysila; r-glycidoxypropyltrimethoxysilane; r-glycidoxypropylmethylidiethoxysilane; N-beta-(aminoethyl)-r-aminopropyltrimethoxysilane; N-beta-(aminoethyl)-r-aminopropylmethyldimethoxysilane; r-aminopropyltriethoxysilane; N-[3-(trimethoxysilyl)propyl]-ethylenediamine; and any combinations thereof. 
     
     
         20 . The method of  claim 17 , wherein the treatment fluid further comprises a surfactant selected from the group consisting of an alkyl phosphonate surfactant; an ethoxylated nonyl phenol phosphonate ester surfactant; a cationic surfactant; a nonionic surfactant; and any combinations thereof.