CA2438288A1 - Methods and compositions for consolidating proppant in subterranean fractures - Google Patents
Methods and compositions for consolidating proppant in subterranean fractures Download PDFInfo
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- CA2438288A1 CA2438288A1 CA002438288A CA2438288A CA2438288A1 CA 2438288 A1 CA2438288 A1 CA 2438288A1 CA 002438288 A CA002438288 A CA 002438288A CA 2438288 A CA2438288 A CA 2438288A CA 2438288 A1 CA2438288 A1 CA 2438288A1
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- composition
- resin composition
- proppant particles
- hardenable resin
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- 239000000203 mixture Substances 0.000 title claims abstract 37
- 238000000034 method Methods 0.000 title claims abstract 36
- 239000011342 resin composition Substances 0.000 claims abstract 41
- 239000002245 particle Substances 0.000 claims abstract 35
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 claims abstract 25
- 239000012530 fluid Substances 0.000 claims abstract 18
- 239000007788 liquid Substances 0.000 claims abstract 10
- 230000015556 catabolic process Effects 0.000 claims abstract 3
- 238000006731 degradation reaction Methods 0.000 claims abstract 3
- 239000000126 substance Substances 0.000 claims abstract 2
- 239000011347 resin Substances 0.000 claims 21
- 229920005989 resin Polymers 0.000 claims 21
- 239000004094 surface-active agent Substances 0.000 claims 14
- 150000002148 esters Chemical class 0.000 claims 12
- 239000002904 solvent Substances 0.000 claims 10
- MUXOBHXGJLMRAB-UHFFFAOYSA-N Dimethyl succinate Chemical compound COC(=O)CCC(=O)OC MUXOBHXGJLMRAB-UHFFFAOYSA-N 0.000 claims 9
- 239000006087 Silane Coupling Agent Substances 0.000 claims 9
- -1 dimethylthiolate Chemical compound 0.000 claims 9
- UDSFAEKRVUSQDD-UHFFFAOYSA-N Dimethyl adipate Chemical compound COC(=O)CCCCC(=O)OC UDSFAEKRVUSQDD-UHFFFAOYSA-N 0.000 claims 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 6
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims 6
- 239000011248 coating agent Substances 0.000 claims 6
- 238000000576 coating method Methods 0.000 claims 6
- XTDYIOOONNVFMA-UHFFFAOYSA-N dimethyl pentanedioate Chemical compound COC(=O)CCCC(=O)OC XTDYIOOONNVFMA-UHFFFAOYSA-N 0.000 claims 6
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 6
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims 5
- 229910052783 alkali metal Inorganic materials 0.000 claims 4
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 claims 4
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims 3
- 230000003111 delayed effect Effects 0.000 claims 3
- 229960001047 methyl salicylate Drugs 0.000 claims 3
- 239000000600 sorbitol Substances 0.000 claims 3
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 claims 3
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 claims 2
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 claims 2
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 claims 2
- VATRWWPJWVCZTA-UHFFFAOYSA-N 3-oxo-n-[2-(trifluoromethyl)phenyl]butanamide Chemical compound CC(=O)CC(=O)NC1=CC=CC=C1C(F)(F)F VATRWWPJWVCZTA-UHFFFAOYSA-N 0.000 claims 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims 2
- CKOYRRWBOKMNRG-UHFFFAOYSA-N Furfuryl acetate Chemical compound CC(=O)OCC1=CC=CO1 CKOYRRWBOKMNRG-UHFFFAOYSA-N 0.000 claims 2
- 229920002907 Guar gum Polymers 0.000 claims 2
- 239000003093 cationic surfactant Substances 0.000 claims 2
- 239000003431 cross linking reagent Substances 0.000 claims 2
- 235000019387 fatty acid methyl ester Nutrition 0.000 claims 2
- 239000003349 gelling agent Substances 0.000 claims 2
- 239000000665 guar gum Substances 0.000 claims 2
- 229960002154 guar gum Drugs 0.000 claims 2
- 235000010417 guar gum Nutrition 0.000 claims 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims 2
- 229940087305 limonene Drugs 0.000 claims 2
- 235000001510 limonene Nutrition 0.000 claims 2
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 claims 2
- 239000002736 nonionic surfactant Substances 0.000 claims 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 claims 2
- 238000005086 pumping Methods 0.000 claims 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims 2
- 125000006539 C12 alkyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims 1
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical class [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 229910021538 borax Inorganic materials 0.000 claims 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims 1
- 239000004327 boric acid Substances 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 239000007822 coupling agent Substances 0.000 claims 1
- 239000013505 freshwater Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229910021645 metal ion Inorganic materials 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 239000004328 sodium tetraborate Substances 0.000 claims 1
- 235000010339 sodium tetraborate Nutrition 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/70—Compositions for forming crevices or fractures characterised by their form or by the form of their components, e.g. foams
- C09K8/706—Encapsulated breakers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
- C09K8/805—Coated proppants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/922—Fracture fluid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/922—Fracture fluid
- Y10S507/924—Fracture fluid with specified propping feature
Abstract
Improved methods and compositions for consolidating proppant in subterranean fractures are provided. In accordance with a method of the invention, proppant particles coated with a furfuryl alcohol resin composition are mixed with a gelled liquid fracturing fluid and the fracturing fluid is pumped into a subterranean zone. The fracturing fluid forms one or more fractures in the subterranean zone and deposits the proppant particles coated with the resin composition therein. Thereafter, the hardenable resin composition on the proppant particles is allowed to harden by heat and consolidate the proppant particles into chemical and thermal degradation resistant permeable packs.
Claims (49)
1. An improved method of forming one or more fractures in a subterranean zone penetrated by a well bore and consolidating proppant particles therein, the subterranean zone having a temperature above about 200°F comprising the steps of:
(a) providing proppant particles coated with a hardenable resin composition comprised of furfuryl alcohol resin, furfuryl alcohol, a solvent for said resin, a silane coupling agent and a surfactant for facilitating the coating of said resin on said proppant particles and for causing said resin to flow to the contact points between adjacent resin coated proppant particles;
(b) providing a gelled liquid fracturing fluid;
(c) pumping said gelled liquid fracturing fluid into said subterranean zone to form said one or more fractures and to deposit said proppant particles therein;
(d) mixing said proppant particles coated with said hardenable resin composition with said fracturing fluid pumped in accordance with step (c) whereby said proppant particles coated with said hardenable resin composition are suspended therein;
(e) terminating steps (c) and (d) when said proppant particles coated with said hardenable resin composition have been deposited in said one or more fractures; and;
(f) allowing said hardenable resin composition on said resin composition coated proppant particles to harden by heat and consolidate said proppant particles into one or more chemical and thermal degradation resistant permeable packs.
(a) providing proppant particles coated with a hardenable resin composition comprised of furfuryl alcohol resin, furfuryl alcohol, a solvent for said resin, a silane coupling agent and a surfactant for facilitating the coating of said resin on said proppant particles and for causing said resin to flow to the contact points between adjacent resin coated proppant particles;
(b) providing a gelled liquid fracturing fluid;
(c) pumping said gelled liquid fracturing fluid into said subterranean zone to form said one or more fractures and to deposit said proppant particles therein;
(d) mixing said proppant particles coated with said hardenable resin composition with said fracturing fluid pumped in accordance with step (c) whereby said proppant particles coated with said hardenable resin composition are suspended therein;
(e) terminating steps (c) and (d) when said proppant particles coated with said hardenable resin composition have been deposited in said one or more fractures; and;
(f) allowing said hardenable resin composition on said resin composition coated proppant particles to harden by heat and consolidate said proppant particles into one or more chemical and thermal degradation resistant permeable packs.
2. The method of claim 1 wherein said furfuryl alcohol resin is present in said hardenable resin composition in an amount in the range of from about 40% to about 75% by weight of said composition.
3. The method of claim 1 wherein said furfuryl alcohol is present in said hardenable resin composition in an amount in the range of from about 1% to about 20%.
4. The method of claim 1 wherein said solvent for said resin in said hardenable resin composition is selected from the group consisting of dipropylene glycol methyl ether, dipropylene glycol dimethyl ether, diethylene glycol methyl ether, ethylene glycol butyl ether, diethylene glycol butyl ether, dimethyl formamide, propylene carbonate, butyl acetate, furfuryl acetate, d'limonene and fatty acid methyl esters.
5. The method of claim 1 wherein said solvent for said resin in said hardenable resin composition is ethylene glycol butyl ether.
6. The method of claim 1 wherein said solvent for said resin is present in said hardenable resin composition in an amount in the range of from about 10 to about 40% by weight of said composition.
7. The method of claim 1 wherein said silane coupling agent in said hardenable resin composition is selected from the group consisting of N-2-(aminoethyl)-3-aminopropyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane and n-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilane.
8. The method of claim 1 wherein said silane coupling agent in said hardenable resin composition is n-beta-(aminoethyl)-gamma-aminopropyl-trimethoxysilane.
9. The method of claim 1 wherein said silane coupling agent is present in said hardenable resin composition in an amount in the range of from about 0.1% to about 3% by weight of said composition.
10. The method of claim 1 which further comprises a hydrolyzable ester for breaking gelled fracturing fluid films on said proppant particles.
11. The method of claim 10 wherein said hydrolyzable ester is selected from the group consisting of a mixture of dimethylglutarate, dimethyladipate and dimethylsuccinate, sorbitol, catechol, dimethylthiolate, methyl salicylate, dimethylsuccinate and terbutylhydroperoxide.
12. The method of claim 10 wherein said hydrolyzable ester is a mixture of dimethylglutarate, dimethyladipate and dimethylsuccinate.
13. The method of claim 10 wherein said hydrolyzable ester is present in said hardenable resin composition in an amount in the range of from about 0% to about 3%.
14. The method of claim 1 wherein said surfactant for facilitating the coating of said resin on said proppant particles and for causing said resin to flow to the contact points between adjacent resin coated proppant particles in said hardenable resin composition is selected from the group consisting of an ethoxylated nonyl phenol phosphate ester, mixtures of one or more cationic surfactants and one or more non-ionic surfactants and a C12-C22 alkyl phosphonate surfactant.
15. The method of claim 1 wherein said surfactant for facilitating the coating of said resin on said proppant particles and for causing said resin to flow to the contact points between adjacent resin coated proppant particles in said hardenable resin composition is a C12-C22 alkyl phosphonate surfactant.
16. The method of claim 1 wherein said surfactant is present in said hardenable resin composition in an amount in the range of from about 1% to about 15% by weight of said composition.
17, An improved method of forming one or more fractures in a subterranean zone penetrated by a well bore and consolidating proppant particles therein, the subterranean zone having a temperature above about 200°F comprising the steps of:
(a) providing a liquid hardenable resin composition comprised of furfuryl alcohol resin, furfuryl alcohol, an ethylene glycol butyl ether solvent for said resin, an n-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilane coupling agent and a C12-C22 alkyl phosphate surfactant;
(b) providing a source of dry proppant particles;
(c) providing a gelled liquid fracturing fluid comprised of water and a gelling agent selected from the group consisting of guar gum, guar gum derivatives and cellulose derivatives;
(d) pumping said gelled liquid fracturing fluid into said subterranean zone to form said one or more fractures therein and to place said proppant particles therein;
(e) coating said hardenable resin composition onto said dry proppant particles conveyed from said source thereof to form hardenable resin composition coated proppant particles;
(f) mixing said hardenable resin composition coated proppant particles formed in step (e) with said fracturing fluid pumped in accordance with step (d) whereby said hardenable resin composition coated proppant particles are suspended therein;
(g) terminating steps (d), (e) and (f) when said hardenable resin composition coated proppant particles have been placed in said one or more fractures; and;
(h) allowing said hardenable resin composition on said hardenable resin composition coated proppant particles to harden by heat and consolidate said proppant particles into one or more corrosion and thermal degradation resistant permeable packs.
(a) providing a liquid hardenable resin composition comprised of furfuryl alcohol resin, furfuryl alcohol, an ethylene glycol butyl ether solvent for said resin, an n-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilane coupling agent and a C12-C22 alkyl phosphate surfactant;
(b) providing a source of dry proppant particles;
(c) providing a gelled liquid fracturing fluid comprised of water and a gelling agent selected from the group consisting of guar gum, guar gum derivatives and cellulose derivatives;
(d) pumping said gelled liquid fracturing fluid into said subterranean zone to form said one or more fractures therein and to place said proppant particles therein;
(e) coating said hardenable resin composition onto said dry proppant particles conveyed from said source thereof to form hardenable resin composition coated proppant particles;
(f) mixing said hardenable resin composition coated proppant particles formed in step (e) with said fracturing fluid pumped in accordance with step (d) whereby said hardenable resin composition coated proppant particles are suspended therein;
(g) terminating steps (d), (e) and (f) when said hardenable resin composition coated proppant particles have been placed in said one or more fractures; and;
(h) allowing said hardenable resin composition on said hardenable resin composition coated proppant particles to harden by heat and consolidate said proppant particles into one or more corrosion and thermal degradation resistant permeable packs.
18. The method of claim 17 wherein said furfuryl alcohol resin is present in said hardenable resin composition in an amount in the range of from about 50% to about 65% by weight of said composition.
19. The method of claim 17 wherein said furfuryl alcohol is present in said hardenable resin composition in an amount in the range of from about 1% to about 20%.
20. The method of claim 17 wherein said solvent for said resin is present in said hardenable resin composition in an amount in the range of from about 15% to about 30% by weight of said composition.
21. The method of claim 17 wherein said silane coupling agent is present in said hardenable resin composition in an amount in the range of from about 0.5% to about 2% by weight of said composition.
22. The method of claim 17 which further comprises a hydrolyzable ester for breaking gelled fracturing fluid films on said proppant particles.
23. The method of claim 17 wherein said hydrolyzable ester is selected from the group consisting of a mixture of dimethylglutarate, dimethyladipate and dimethylsuccinate, sorbitol, catechol, dimethylthiolate, methyl salicylate, dimethylsuccinate and terbutylhydroperoxide.
24. The method of claim 22 wherein said hydrolyzable ester is a mixture of dimethylglutarate, dimethyladipate and dimethylsuccinate.
25. The method of claim 22 wherein said hydrolyzable ester is present in said hardenable resin composition in an amount in the range of from about 0% to about 3%.
26. The method of claim 17 wherein said surfactant is present in said hardenable resin composition in an amount in the range of from about 3% to about 10% by weight of said composition.
27. The method of claim 17 wherein said proppant particles are graded sand.
28. The method of claim 17 wherein said water in said gelled liquid fracturing fluid is selected from the group consisting of fresh water and salt water.
29. The method of claim 17 wherein said gelling agent is present in said fracturing fluid in an amount in the range of from about 0.2% to about 1% by weight of water therein.
30. The method of claim 17 wherein said gelled liquid fracturing fluid further comprises a cross-linking agent selected from the group consisting of alkali metal borates, borax, boric acid and compounds capable of releasing multivalent metal ions in aqueous solutions.
31. The method of claim 30 wherein said cross-linking agent is present in said fracturing fluid in an amount in the range of from about 0.2% to about 1% by weight of water therein.
32. The method of claim 17 wherein said gelled liquid fracturing fluid further comprises a delayed viscosity breaker selected from the group consisting of alkali metal and ammonium persulfates which are delayed by being encapsulated in a material which slowly releases said breaker; alkali metal chlorites, alkali metal hypochlorites and calcium hypochlorites.
33. The method of claim 32 wherein said delayed viscosity breaker is present in said fracturing fluid in an amount in the range of from about 1% to about 5%
by weight of water therein.
by weight of water therein.
34. A hardenable resin composition for coating proppant particles and which hardens by heat comprising:
a hardenable resin comprised of furfuryl alcohol resin;
furfuryl alcohol;
a solvent for said resin having a flash point above about 125°F;
a silane coupling agent; and a surfactant for facilitating the coating of said hardenable resin composition on said proppant particles and for causing said hardenable resin composition to flow to the contact points between adjacent resin coated proppant particles.
a hardenable resin comprised of furfuryl alcohol resin;
furfuryl alcohol;
a solvent for said resin having a flash point above about 125°F;
a silane coupling agent; and a surfactant for facilitating the coating of said hardenable resin composition on said proppant particles and for causing said hardenable resin composition to flow to the contact points between adjacent resin coated proppant particles.
35. The composition of claim 34 wherein said furfuryl alcohol resin is present in an amount in the range of from about 40% to about 75% by weight of said composition.
36. The composition of claim 34 wherein said furfuryl alcohol is present in said hardenable resin composition in an amount in the range of from about 1% to about 20%.
37. The composition of claim 34 wherein said solvent for said resin having a flash point above about 125°F is selected from the group consisting of dipropylene glycol methyl ether, dipropylene glycol dimethyl ether, dimethyl formamide, diethylene glycol methyl ether, ethylene glycol butyl ether, diethylene glycol butyl ether, propylene carbonate, butyl acetate, furfuryl acetate, d'limonene and fatty acid methyl esters.
38. The composition of claim 34 wherein said solvent for said resin having a flash point above about 125°F is ethylene glycol butyl ether.
39. The composition of claim 34 wherein said solvent for said resin having a flash point above about 125°F is present in an amount in the range of from about 10% to about
40% by weight of said composition.
40. The composition of claim 34 wherein said silane coupling agent is selected from the group consisting of N-2-(aminoethyl)-3-aminopropyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane and n-beta-(aminoethyl)-gamma-aminopropyl-trimethoxysilane.
40. The composition of claim 34 wherein said silane coupling agent is selected from the group consisting of N-2-(aminoethyl)-3-aminopropyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane and n-beta-(aminoethyl)-gamma-aminopropyl-trimethoxysilane.
41. The composition of claim 34 wherein said silane coupling agent is n-beta-(aminoethyl)-gamma-aminopropyltrimethoxysilane.
42. The composition of claim 34 wherein said silane coupling agent is present in said liquid hardenable resin composition in an amount in the range of from about 0.1 % to about 3% by weight of said composition.
43. The composition of claim 34 which further comprises a hydrolyzable ester for breaking gelled fracturing fluid films on said proppant particles.
44. The composition of claim 43 wherein said hydrolyzable ester is selected from the group consisting of a mixture of dimethylglutarate; dimethyladipate and dimethylsuccinate, sorbitol, catechol, dimethylthiolate, methyl salicylate, dimethylsuccinate and terbutylhydroperoxide.
45. The composition of claim 43 wherein said hydrolyzable ester is a mixture of dimethylglutarate, dimethyladipate and dimethylsuccinate.
46. The composition of claim 43 wherein said hydrolyzable ester is present in said hardenable resin composition in an amount in the range of from about 0% to about 3%.
47. The composition of claim 34 wherein said surfactant comprises at least one member selected from the group consisting of an ethoxylated nonyl phenol phosphate ester, mixtures of one or more cationic surfactants and one or more non-ionic surfactants and a C12-C22 alkyl phosphonate surfactant.
48. The composition of claim 34 wherein said surfactant is comprised of a C12-alkyl phosphonate surfactant.
49. The composition of claim 34 wherein said surfactant is present in an amount in the range of from about 4% to about 8% by weight of said composition.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/235,352 | 2002-09-05 | ||
| US10/235,352 US6887834B2 (en) | 2002-09-05 | 2002-09-05 | Methods and compositions for consolidating proppant in subterranean fractures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2438288A1 true CA2438288A1 (en) | 2004-03-05 |
| CA2438288C CA2438288C (en) | 2011-05-10 |
Family
ID=28791683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2438288A Expired - Lifetime CA2438288C (en) | 2002-09-05 | 2003-08-26 | Methods and compositions for consolidating proppant in subterranean fractures |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6887834B2 (en) |
| EP (1) | EP1396606B1 (en) |
| AR (1) | AR037648A1 (en) |
| AU (1) | AU2003204793B2 (en) |
| BR (1) | BRPI0302601B1 (en) |
| CA (1) | CA2438288C (en) |
| DE (1) | DE60307190T2 (en) |
| DK (1) | DK1396606T3 (en) |
| MX (1) | MXPA03008019A (en) |
| NO (1) | NO332834B1 (en) |
Families Citing this family (45)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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- 2002-09-05 US US10/235,352 patent/US6887834B2/en not_active Expired - Lifetime
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- 2003-07-30 BR BRPI0302601A patent/BRPI0302601B1/en not_active IP Right Cessation
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- 2003-09-02 DE DE60307190T patent/DE60307190T2/en not_active Expired - Fee Related
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| BRPI0302601B1 (en) | 2017-05-02 |
| AR037648A1 (en) | 2004-12-01 |
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| AU2003204793B2 (en) | 2008-07-10 |
| US20040048752A1 (en) | 2004-03-11 |
| NO332834B1 (en) | 2013-01-21 |
| US6887834B2 (en) | 2005-05-03 |
| AU2003204793A1 (en) | 2004-03-25 |
| DK1396606T3 (en) | 2006-12-04 |
| NO20033878D0 (en) | 2003-09-02 |
| DE60307190T2 (en) | 2006-12-14 |
| NO20033878L (en) | 2004-03-08 |
| EP1396606A3 (en) | 2004-09-01 |
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