CA2432160A1 - Well treatment fluid compositions and methods for their use - Google Patents
Well treatment fluid compositions and methods for their use Download PDFInfo
- Publication number
- CA2432160A1 CA2432160A1 CA002432160A CA2432160A CA2432160A1 CA 2432160 A1 CA2432160 A1 CA 2432160A1 CA 002432160 A CA002432160 A CA 002432160A CA 2432160 A CA2432160 A CA 2432160A CA 2432160 A1 CA2432160 A1 CA 2432160A1
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- CA
- Canada
- Prior art keywords
- ester
- composition
- alcohol
- citrate
- peroxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000000203 mixture Substances 0.000 title claims abstract 44
- 239000003180 well treatment fluid Substances 0.000 title claims abstract 9
- 238000000034 method Methods 0.000 title claims 17
- 150000002148 esters Chemical class 0.000 claims abstract 23
- -1 ester compound Chemical class 0.000 claims abstract 21
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 claims abstract 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract 16
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims abstract 15
- 229920000642 polymer Polymers 0.000 claims abstract 12
- 239000003431 cross linking reagent Substances 0.000 claims abstract 11
- 239000002904 solvent Substances 0.000 claims abstract 10
- 229920002678 cellulose Polymers 0.000 claims abstract 7
- 239000001913 cellulose Substances 0.000 claims abstract 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 7
- 239000002253 acid Substances 0.000 claims abstract 6
- WEAPVABOECTMGR-UHFFFAOYSA-N triethyl 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound CCOC(=O)CC(C(=O)OCC)(OC(C)=O)CC(=O)OCC WEAPVABOECTMGR-UHFFFAOYSA-N 0.000 claims abstract 6
- OMDQUFIYNPYJFM-XKDAHURESA-N (2r,3r,4s,5r,6s)-2-(hydroxymethyl)-6-[[(2r,3s,4r,5s,6r)-4,5,6-trihydroxy-3-[(2s,3s,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]methoxy]oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)[C@H](O)[C@H](O)[C@H](O)O1 OMDQUFIYNPYJFM-XKDAHURESA-N 0.000 claims abstract 4
- 229920000926 Galactomannan Polymers 0.000 claims abstract 4
- 229910052751 metal Inorganic materials 0.000 claims abstract 4
- 239000002184 metal Substances 0.000 claims abstract 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims abstract 3
- 150000004676 glycans Chemical class 0.000 claims abstract 3
- 229920001282 polysaccharide Polymers 0.000 claims abstract 3
- 239000005017 polysaccharide Substances 0.000 claims abstract 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical group [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims abstract 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052726 zirconium Inorganic materials 0.000 claims abstract 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 18
- 150000001342 alkaline earth metals Chemical group 0.000 claims 12
- 244000303965 Cyamopsis psoralioides Species 0.000 claims 9
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 claims 9
- HDDLVZWGOPWKFW-UHFFFAOYSA-N trimethyl 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound COC(=O)CC(O)(C(=O)OC)CC(=O)OC HDDLVZWGOPWKFW-UHFFFAOYSA-N 0.000 claims 9
- 229910052725 zinc Inorganic materials 0.000 claims 9
- 239000011701 zinc Substances 0.000 claims 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Natural products OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims 8
- DLINORNFHVEIFE-UHFFFAOYSA-N hydrogen peroxide;zinc Chemical compound [Zn].OO DLINORNFHVEIFE-UHFFFAOYSA-N 0.000 claims 8
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims 8
- 229940105296 zinc peroxide Drugs 0.000 claims 8
- 229920002907 Guar gum Polymers 0.000 claims 7
- 230000015572 biosynthetic process Effects 0.000 claims 7
- 239000000665 guar gum Substances 0.000 claims 7
- 235000010417 guar gum Nutrition 0.000 claims 7
- 229960002154 guar gum Drugs 0.000 claims 7
- 150000003755 zirconium compounds Chemical class 0.000 claims 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 5
- 150000002978 peroxides Chemical class 0.000 claims 5
- 239000004343 Calcium peroxide Substances 0.000 claims 4
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 claims 4
- SPAGIJMPHSUYSE-UHFFFAOYSA-N Magnesium peroxide Chemical compound [Mg+2].[O-][O-] SPAGIJMPHSUYSE-UHFFFAOYSA-N 0.000 claims 4
- JKRZOJADNVOXPM-UHFFFAOYSA-N Oxalic acid dibutyl ester Chemical compound CCCCOC(=O)C(=O)OCCCC JKRZOJADNVOXPM-UHFFFAOYSA-N 0.000 claims 4
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 claims 4
- LHJQIRIGXXHNLA-UHFFFAOYSA-N calcium peroxide Chemical group [Ca+2].[O-][O-] LHJQIRIGXXHNLA-UHFFFAOYSA-N 0.000 claims 4
- 235000019402 calcium peroxide Nutrition 0.000 claims 4
- 229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 claims 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims 4
- MQHNKCZKNAJROC-UHFFFAOYSA-N dipropyl phthalate Chemical compound CCCOC(=O)C1=CC=CC=C1C(=O)OCCC MQHNKCZKNAJROC-UHFFFAOYSA-N 0.000 claims 4
- 229960004995 magnesium peroxide Drugs 0.000 claims 4
- 125000005342 perphosphate group Chemical group 0.000 claims 4
- 150000003609 titanium compounds Chemical class 0.000 claims 4
- PLVWNARVBMHCST-UHFFFAOYSA-L zinc;oxidooxy(oxo)borane Chemical compound [Zn+2].[O-]OB=O.[O-]OB=O PLVWNARVBMHCST-UHFFFAOYSA-L 0.000 claims 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims 3
- 229920002581 Glucomannan Polymers 0.000 claims 3
- 229920000569 Gum karaya Polymers 0.000 claims 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims 3
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 241000934878 Sterculia Species 0.000 claims 3
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 claims 3
- 150000001639 boron compounds Chemical group 0.000 claims 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims 3
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims 3
- 239000000231 karaya gum Substances 0.000 claims 3
- 235000010494 karaya gum Nutrition 0.000 claims 3
- 229940039371 karaya gum Drugs 0.000 claims 3
- 229940095064 tartrate Drugs 0.000 claims 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 3
- 239000001069 triethyl citrate Substances 0.000 claims 3
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 claims 3
- 235000013769 triethyl citrate Nutrition 0.000 claims 3
- ODHUFJLMXDXVRC-UHFFFAOYSA-N tripropyl 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound CCCOC(=O)CC(O)(C(=O)OCCC)CC(=O)OCCC ODHUFJLMXDXVRC-UHFFFAOYSA-N 0.000 claims 3
- LTMRRSWNXVJMBA-UHFFFAOYSA-L 2,2-diethylpropanedioate Chemical compound CCC(CC)(C([O-])=O)C([O-])=O LTMRRSWNXVJMBA-UHFFFAOYSA-L 0.000 claims 2
- UNAGFBFCWKQKGZ-UHFFFAOYSA-N 2-(2-acetyloxy-2-oxoethyl)-2-hydroxy-4-methoxy-4-oxobutanoic acid Chemical compound COC(=O)CC(O)(C(O)=O)CC(=O)OC(C)=O UNAGFBFCWKQKGZ-UHFFFAOYSA-N 0.000 claims 2
- FUZLRTGGPPIBJQ-UHFFFAOYSA-N 2-n,2-n,4-n,4-n-tetramethylpyrimidine-2,4-diamine Chemical compound CN(C)C1=CC=NC(N(C)C)=N1 FUZLRTGGPPIBJQ-UHFFFAOYSA-N 0.000 claims 2
- GQZXRLWUYONVCP-UHFFFAOYSA-N 3-[1-(dimethylamino)ethyl]phenol Chemical compound CN(C)C(C)C1=CC=CC(O)=C1 GQZXRLWUYONVCP-UHFFFAOYSA-N 0.000 claims 2
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 claims 2
- IEPRKVQEAMIZSS-UHFFFAOYSA-N Di-Et ester-Fumaric acid Natural products CCOC(=O)C=CC(=O)OCC IEPRKVQEAMIZSS-UHFFFAOYSA-N 0.000 claims 2
- IEPRKVQEAMIZSS-WAYWQWQTSA-N Diethyl maleate Chemical compound CCOC(=O)\C=C/C(=O)OCC IEPRKVQEAMIZSS-WAYWQWQTSA-N 0.000 claims 2
- DKMROQRQHGEIOW-UHFFFAOYSA-N Diethyl succinate Chemical compound CCOC(=O)CCC(=O)OCC DKMROQRQHGEIOW-UHFFFAOYSA-N 0.000 claims 2
- MUXOBHXGJLMRAB-UHFFFAOYSA-N Dimethyl succinate Chemical compound COC(=O)CCC(=O)OC MUXOBHXGJLMRAB-UHFFFAOYSA-N 0.000 claims 2
- 102000004190 Enzymes Human genes 0.000 claims 2
- 108090000790 Enzymes Proteins 0.000 claims 2
- 229920000161 Locust bean gum Polymers 0.000 claims 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims 2
- 229910019142 PO4 Inorganic materials 0.000 claims 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims 2
- 239000011324 bead Substances 0.000 claims 2
- PCYQQSKDZQTOQG-NXEZZACHSA-N dibutyl (2r,3r)-2,3-dihydroxybutanedioate Chemical compound CCCCOC(=O)[C@H](O)[C@@H](O)C(=O)OCCCC PCYQQSKDZQTOQG-NXEZZACHSA-N 0.000 claims 2
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 claims 2
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 claims 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims 2
- YSAVZVORKRDODB-WDSKDSINSA-N diethyl tartrate Chemical compound CCOC(=O)[C@@H](O)[C@H](O)C(=O)OCC YSAVZVORKRDODB-WDSKDSINSA-N 0.000 claims 2
- PVRATXCXJDHJJN-UHFFFAOYSA-N dimethyl 2,3-dihydroxybutanedioate Chemical compound COC(=O)C(O)C(O)C(=O)OC PVRATXCXJDHJJN-UHFFFAOYSA-N 0.000 claims 2
- LDCRTTXIJACKKU-ARJAWSKDSA-N dimethyl maleate Chemical compound COC(=O)\C=C/C(=O)OC LDCRTTXIJACKKU-ARJAWSKDSA-N 0.000 claims 2
- BEPAFCGSDWSTEL-UHFFFAOYSA-N dimethyl malonate Chemical compound COC(=O)CC(=O)OC BEPAFCGSDWSTEL-UHFFFAOYSA-N 0.000 claims 2
- LOMVENUNSWAXEN-NUQCWPJISA-N dimethyl oxalate Chemical group CO[14C](=O)[14C](=O)OC LOMVENUNSWAXEN-NUQCWPJISA-N 0.000 claims 2
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 claims 2
- 229960001826 dimethylphthalate Drugs 0.000 claims 2
- WCHBXSPACACNBJ-UHFFFAOYSA-N dipropyl 2,3-dihydroxybutanedioate Chemical compound CCCOC(=O)C(O)C(O)C(=O)OCCC WCHBXSPACACNBJ-UHFFFAOYSA-N 0.000 claims 2
- HZHMMLIMOUNKCK-UHFFFAOYSA-N dipropyl oxalate Chemical compound CCCOC(=O)C(=O)OCCC HZHMMLIMOUNKCK-UHFFFAOYSA-N 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 2
- 239000000711 locust bean gum Substances 0.000 claims 2
- 235000010420 locust bean gum Nutrition 0.000 claims 2
- LZNZCMHEVACKGP-UHFFFAOYSA-N methyl 2-[2-[bis(2-methoxy-2-oxoethyl)amino]ethyl-(2-methoxy-2-oxoethyl)amino]acetate Chemical compound COC(=O)CN(CC(=O)OC)CCN(CC(=O)OC)CC(=O)OC LZNZCMHEVACKGP-UHFFFAOYSA-N 0.000 claims 2
- DNJDQMRARVPSHZ-UHFFFAOYSA-N n,n,n',n'-tetrabutylethane-1,2-diamine Chemical compound CCCCN(CCCC)CCN(CCCC)CCCC DNJDQMRARVPSHZ-UHFFFAOYSA-N 0.000 claims 2
- DIHKMUNUGQVFES-UHFFFAOYSA-N n,n,n',n'-tetraethylethane-1,2-diamine Chemical compound CCN(CC)CCN(CC)CC DIHKMUNUGQVFES-UHFFFAOYSA-N 0.000 claims 2
- 239000008188 pellet Substances 0.000 claims 2
- 239000010452 phosphate Substances 0.000 claims 2
- 229920002401 polyacrylamide Polymers 0.000 claims 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims 2
- LAHAQBFRDZWRQZ-UHFFFAOYSA-N propyl 2-[2-[bis(2-oxo-2-propoxyethyl)amino]ethyl-(2-oxo-2-propoxyethyl)amino]acetate Chemical compound CCCOC(=O)CN(CC(=O)OCCC)CCN(CC(=O)OCCC)CC(=O)OCCC LAHAQBFRDZWRQZ-UHFFFAOYSA-N 0.000 claims 2
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 claims 2
- 239000010936 titanium Substances 0.000 claims 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 claims 1
- RJQQOKKINHMXIM-UHFFFAOYSA-N 2-hydroxypropanoate;tris(2-hydroxyethyl)azanium Chemical compound CC(O)C(O)=O.OCCN(CCO)CCO RJQQOKKINHMXIM-UHFFFAOYSA-N 0.000 claims 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims 1
- 240000008886 Ceratonia siliqua Species 0.000 claims 1
- 235000013912 Ceratonia siliqua Nutrition 0.000 claims 1
- YUXIBTJKHLUKBD-UHFFFAOYSA-N Dibutyl succinate Chemical compound CCCCOC(=O)CCC(=O)OCCCC YUXIBTJKHLUKBD-UHFFFAOYSA-N 0.000 claims 1
- 240000007049 Juglans regia Species 0.000 claims 1
- 235000009496 Juglans regia Nutrition 0.000 claims 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 claims 1
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 claims 1
- 239000004677 Nylon Substances 0.000 claims 1
- 239000006004 Quartz sand Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 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
- 239000012267 brine Substances 0.000 claims 1
- 239000001110 calcium chloride Substances 0.000 claims 1
- 229910001628 calcium chloride Inorganic materials 0.000 claims 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- 229910021540 colemanite Inorganic materials 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 claims 1
- NFKGQHYUYGYHIS-UHFFFAOYSA-N dibutyl propanedioate Chemical compound CCCCOC(=O)CC(=O)OCCCC NFKGQHYUYGYHIS-UHFFFAOYSA-N 0.000 claims 1
- 229960002097 dibutylsuccinate Drugs 0.000 claims 1
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- LWIWFCDNJNZEKB-UHFFFAOYSA-N dipropyl propanedioate Chemical compound CCCOC(=O)CC(=O)OCCC LWIWFCDNJNZEKB-UHFFFAOYSA-N 0.000 claims 1
- 239000012634 fragment Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 229910001629 magnesium chloride Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims 1
- 229920001778 nylon Polymers 0.000 claims 1
- 229910000027 potassium carbonate Inorganic materials 0.000 claims 1
- 239000001103 potassium chloride Substances 0.000 claims 1
- 235000011164 potassium chloride Nutrition 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 229910000029 sodium carbonate Inorganic materials 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 235000010339 sodium tetraborate Nutrition 0.000 claims 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims 1
- 235000019345 sodium thiosulphate Nutrition 0.000 claims 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 claims 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical group [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 claims 1
- 229910021539 ulexite Inorganic materials 0.000 claims 1
- 235000020234 walnut Nutrition 0.000 claims 1
- 239000007800 oxidant agent Substances 0.000 abstract 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910052723 transition metal Inorganic materials 0.000 abstract 1
- 150000003624 transition metals Chemical class 0.000 abstract 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
- C09K8/84—Compositions based on water or polar solvents
- C09K8/86—Compositions based on water or polar solvents containing organic compounds
- C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/887—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
-
- 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
- C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
Abstract
A well treatment fluid composition comprises a solvent (such as water), a polymer soluble or hydratable in the solvent, a crosslinking agent, an inorgnaic breaking agent, and an ester compound,. Preferably, the hydratable polymer is a polysaccharide, such as galactomannan, cellulose, or derivatives thereof. The crosslinking agent is preferably a borate, titanate, or zirconium-containing compound. The inorganic breaking agent is preferably a metal-based oxidizing agent, such as an alkaline ear metal or transition metal-based oxidizing agent. The ester compound is preferably an ester of polycarboxylic acid, such as an ester of oxalate, citrate, or ethylenediamine tetraacetate.
One example of a suitable ester compound is acetyl triethyl citrate.
One example of a suitable ester compound is acetyl triethyl citrate.
Claims (36)
1. A well treatment fluid composition comprising:
a solvent;
a polymer which is either soluble or hydratable in the solvent;
a crosslinking agent;
a breaking agent; and an ester, wherein:
the breaking agent is an alkaline earth metal percarbonate, perborate, peroxide, or perphosphate: and the ester is an ester of a polycarboxylic acid and a C1-C11 alcohol.
a solvent;
a polymer which is either soluble or hydratable in the solvent;
a crosslinking agent;
a breaking agent; and an ester, wherein:
the breaking agent is an alkaline earth metal percarbonate, perborate, peroxide, or perphosphate: and the ester is an ester of a polycarboxylic acid and a C1-C11 alcohol.
2. The composition of claim 1, wherein the solvent is water.
3. The composition of claim 1, wherein the polymer is a galactomannan gum, a glucomannan gum, a guar, a derived guar, cellulose, a cellulose derivative, guar gum, a guar gum derivative, locust bean gum, Karaya gum, carboxymethyl cellulose, carboxymethyl hydroxyethyl cellulose, or hydroxyethyl cellulose.
4. The composition of claim 1, wherein the polymer is polyvinyl alcohol, polyacrylamide, or poly-2-amino-2-methyl propane sulfonic acid.
5. The composition of claim 1, wherein the crosslinking agent is a boron compound, a titanium compound, a zirconium compound, or mixtures thereof.
6. The composition of claim 1, wherein the crosslinking agent is a borate compound, a titanium compound, a zirconium compound, or mixtures thereof.
7. The composition of claim 1, wherein the crosslinking agent is sodium borate × H2O, boric acid, ulexite, colemanite, Ti(IV) acetylacetonate, Ti(IV) triethanolamine, Zr lactate, Zr triethanolamine, Zr lactate-triethanolamine, or Zr lactate-triethanolamine-triisopropanolamine.
8. The composition of claim 1, wherein the breaking agent is an alkaline earth metal percarbonate, an alkaline earth metal perborate, an alkaline earth metal peroxide, an alkaline earth metal perphosphate, zinc peroxide, zinc perphosphate, zinc perborate, or zinc percarbonate.
9. The composition of claim 1, wherein the breaking agent is calcium peroxide, magnesium peroxide, or zinc peroxide.
10. The composition of claim 1, wherein the breaking agent is an enzyme and at least one member of the group consisting of an alkaline earth metal percarbonate, an alkaline earth metal perborate, an alkaline earth metal peroxide, an alkaline earth metal perphosphate, zinc peroxide, zinc perphosphate, zinc perborate, or zinc percarbonate.
11., The composition of claim 1, wherein the ester is a C1-C11 alcohol oxalate ester, a C1-C11 alcohol citrate ester, a C1-C11 alcohol ethylene diamine tetraacetate (EDTA) ester, a C1-C11 alcohol nitrilotriacetate ester, a C1-C11 alcohol phthalate ester, a C1-C11 alcohol maleate ester, a C1-C11 alcohol malonate ester, or a C1-C11 alcohol tartrate ester.
12. The composition of claim 1, wherein the ester is dimethyl oxalate, dimethyl malonate, dimethyl succinate, dimethyl maleate, dimethyl tartrate; trimethyl citrate, dimethyl phthalate, tetramethyl ethylene diamine tetraacetate (EDTA), trimethyl nitriloacetate, diethyl oxalate, diethyl malonate, diethyl succinate, diethyl maleate, diethyl tartrate, triethyl citrate, diethyl phthalate, tetraethyl ethylene diamine tetraacetate (EDTA), triethyl nitriloacetate, dipropyl oxalate, dipropyl malonato, dipropyl succinate, dipropyl maleate, dipropyl tartrate, tripropyl citrate, dipropyl phthalate, tetrapropyl ethylene diamine tetraacetate (EDTA), tripropyl nitriloacetate, dibutyl oxalate, dibutyl malonate, dibutyl succinate, dibutyl maleate, dibutyl tartrate, tributyl citrate, dibutyl phthalate, tetrabutyl ethylene diamine tetraacetate (EDTA), or tributyl nitriloacetate.
13. The composition of claim 1, wherein the ester is acetyl trimethyl citrate, acetyl triethyl citrate, acetyl tripropyl citrate, or acetyl tributyl citrate.
14. The composition of claim 1, wherein the ester is acetyl triethyl citrate.
15. The composition of claim 1, further comprising sodium thiosulfate.
16. The composition of claim 1, further comprising a pH adjusting material.
17. The composition of claim 1, further comprising sodium bicarbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, or sodium carbonate.
18. The composition of claim 1, further comprising a surfactant.
19. The composition of claim 1, further comprising a salt.
20. The composition of claim 1, further comprising potassium chloride, magnesium chloride, sodium chloride, calcium chloride, or tetramethylammonium chloride.
21. The composition of claim 1, further comprising a proppant.
22. The composition of claim 1, further comprising quartz sand grains, glass beads, ceramic beads, walnut shell fragments, aluminum pellets, or nylon pellets.
23. The composition of claim 1, wherein the concentration of polymer in the composition is about 0.10 wt% to about 5.0 wt% based on the weight of the composition.
24. The composition of claim 1, wherein the concentration of polymer in the composition is about 0.20 wt% to about 0.80 wt% based on the weight of the composition.
25. The composition of claim 1, wherein the pH of the composition is about 5 to about 14.
26. The composition of claim 1, wherein the pH of the composition is about 7 to about 13.
27. The composition of claim 1, wherein the pH of the composition is about 8 to about 12.
28. A well treatment fluid composition comprising:
water;
a polymer selected from the group consisting of a galactomannan gum, a glucomannan gum, a guar, a derived guar, cellulose, a cellulose derivative, guar gum, a guar gum derivative, locust bean gum, Karaya gum, carboxymethyl cellulose, carboxymethyl hydroxyethyl cellulose, and hydroxyethyl cellulose;
a crosslinking agent selected from the group consisting of a boron compound, a titanium compound, and a zirconium compound;
a breaking agent selected from the group consisting of an alkaline earth metal persulfate, an alkaline earth metal percarbonate, an alkaline earth metal perborate, an alkaline earth metal peroxide, an alkaline earth motel perphosphate, a zinc peroxide, a zinc perphosphate, a zinc perborate, and a zinc percarbonate; and an ester selected from the group consisting of a C1-C11 alcohol oxalate ester, a C1-C11 alcohol citrate ester, a C1-C11 alcohol ethylene diamine tetraacetate (EDTA) ester, a C1-C11 alcohol nitrilotriacetate ester, a C1-C11 alcohol phosphate ester, a alcohol phthalate ester, a C1-C11 alcohol maleate ester, or a C1-C11 alcohol tartrate ester.
water;
a polymer selected from the group consisting of a galactomannan gum, a glucomannan gum, a guar, a derived guar, cellulose, a cellulose derivative, guar gum, a guar gum derivative, locust bean gum, Karaya gum, carboxymethyl cellulose, carboxymethyl hydroxyethyl cellulose, and hydroxyethyl cellulose;
a crosslinking agent selected from the group consisting of a boron compound, a titanium compound, and a zirconium compound;
a breaking agent selected from the group consisting of an alkaline earth metal persulfate, an alkaline earth metal percarbonate, an alkaline earth metal perborate, an alkaline earth metal peroxide, an alkaline earth motel perphosphate, a zinc peroxide, a zinc perphosphate, a zinc perborate, and a zinc percarbonate; and an ester selected from the group consisting of a C1-C11 alcohol oxalate ester, a C1-C11 alcohol citrate ester, a C1-C11 alcohol ethylene diamine tetraacetate (EDTA) ester, a C1-C11 alcohol nitrilotriacetate ester, a C1-C11 alcohol phosphate ester, a alcohol phthalate ester, a C1-C11 alcohol maleate ester, or a C1-C11 alcohol tartrate ester.
29. A well treatment fluid composition comprising:
water:
a polysaccharide;
a zirconium compound;
magnesium peroxide, calcium peroxide, or fine peroxide; and acetyl triethyl citrate.
water:
a polysaccharide;
a zirconium compound;
magnesium peroxide, calcium peroxide, or fine peroxide; and acetyl triethyl citrate.
30. A well treatment fluid composition comprising:
water, a polysaccharide at a concentration of about 0.2 wt% to about 0.8 wt% based on the weight of the composition;
a zirconium compound at a concentration of about 10 ppm metal to about 100 ppm metal;
a breaking agent selected from the group consisting of magnesium peroxide, calcium peroxide, and zinc peroxide; wherein the breaking agent is at a concentration of about 0.25 lb/Mgal (0.146 kg/m3), to about 5 lb/Mgal (2.91 kg/m3); and acetyl triethyl citrate at a concentration of about 0.25 gal/Mgal (0.25 l/m3) to about 3 gal/Mgal (3 l/m3).
water, a polysaccharide at a concentration of about 0.2 wt% to about 0.8 wt% based on the weight of the composition;
a zirconium compound at a concentration of about 10 ppm metal to about 100 ppm metal;
a breaking agent selected from the group consisting of magnesium peroxide, calcium peroxide, and zinc peroxide; wherein the breaking agent is at a concentration of about 0.25 lb/Mgal (0.146 kg/m3), to about 5 lb/Mgal (2.91 kg/m3); and acetyl triethyl citrate at a concentration of about 0.25 gal/Mgal (0.25 l/m3) to about 3 gal/Mgal (3 l/m3).
31. A method of fracturing a subterranean formation, the method comprising:
obtaining a well treatment fluid comprising a solvent, a polymer which is either soluble or hydratable in the solvent, a crosslinking agent, a breaking agent, and an ester;
and contacting the well treatment fluid and least a portion of the subterranean formation at pressures sufficient to form fractures in the formation, wherein:
the breaking agent is an alkaline earth metal or zinc percarbonate, perborate, peroxide, or perphosphate; and the ester is an ester of a polycarboxylic acid and a C1-C11 alcohol.
obtaining a well treatment fluid comprising a solvent, a polymer which is either soluble or hydratable in the solvent, a crosslinking agent, a breaking agent, and an ester;
and contacting the well treatment fluid and least a portion of the subterranean formation at pressures sufficient to form fractures in the formation, wherein:
the breaking agent is an alkaline earth metal or zinc percarbonate, perborate, peroxide, or perphosphate; and the ester is an ester of a polycarboxylic acid and a C1-C11 alcohol.
32. The method of claim 31, wherein the solvent is water.
33. The method of claim 31, wherein the polymer is a galactomannan gum, a glucomannan gum, a guar, a derived guar, cellulose, a cellulose derivative, guar gum, a guar gum derivative, locust bean guru, Karaya gum, carboxymethyl cellulose, carboxymethyl hydroxyethyl cellulose, or hydroxyethyl cellulose.
34. The method of claim 31, wherein the polymer is polyvinyl alcohol, polyacrylamide, or poly-2-amino-2-methyl propane sulfonic acid.
35. The method of claim 31, wherein the crosslinking agent is a boron compound, a titanium compound, a zirconium compound or mixtures thereof.
36. The method of claim 31, wherein the breaking agent is an alkaline earth metal percarbonate, an alkaline earth metal perborate, an alkaline earth metal peroxide, an alkaline earth metal perphosphate, a zinc peroxide, a zinc perphosphate, a zinc perborate, or a zinc percarbonate.
38. The method of claim 31, wherein the breaking agent is calcium peroxide, magnesium peroxide, or zinc peroxide.
39. The method of claim 31, wherein the ester is a C1-C11 alcohol oxalate ester, a C1-C11 alcohol citrate ester, a C1-C11 alcohol ethylene diamine tetraacetate (EDTA) ester, a C1-C11 alcohol nitrilotriacetate ester, a C1-C11 alcohol phosphate ester, a C1-C11 alcohol phthalate ester, a C1-C11 alcohol maleate ester, a C1-C11 alcohol malonate ester, or a C1-C11 alcohol tartrate ester.
40. The method of claim 31, wherein the ester is dimethyl oxalate, dimethyl malonate, dimethyl succinate, dimethyl maleate, dimethyl tartrate, trimethyl citrate, dimethyl phthalate, tetramethyl ethylene diamine tetraacetate (EDTA), trimethyl nitriloacetate, diethyl oxalate, diethyl malonate, diethyl succinate, diethyl maleate, diethyl tartrate, triethyl citrate, diethyl phthatate, tetraethyl ethylene diamine tetraacetate (EDTA), triethyl nitriloacetate, dipropyl oxalate, dipropyl malonate, dipropyl succinate, dipropyl maleate, dipropyl tartrate, tripropyl citrate, dipropyl phthalate, tetrapropyl ethylene diamine tetraacetate (EDTA), tripropyl nitriloacetate, dibutyl oxalate, dibutyl malonate dibutyl succinate, dibutyl maleate, dibutyl tartrate, triburyl citrate, dibutyl phthalate, tetrabutyl ethylene diamine tetraacetate (EDTA), or tributyl nitriloacetate.
41. The method of claim 3l, wherein the ester is acetyl trimethyl citrate, acetyl methyl citrate, acetyl tripropyl citrate, or acetyl triburyl citrate.
42. The method of claim 31, wherein the ester is acetyl methyl citrate.
43. A method of fracturing a subterranean formation, the method comprising:
contacting water or brine with guar gum, hydroxypropyl guar, carboxymethyl guar, carboxymethyl hydroxypropyl guar, or carboxymethyl hydroxyethyl cellulose to form a base gel, contacting the base gel with:
a borate, titanate or zirconium crosslinking agent;
an alkaline earth peroxide or zinc peroxide; and a citric acid ester to form a gelling fluid; and contacting the gelling fluid and at least a portion of the subterranean formation at pressures sufficient to form fractures in the formation, wherein:
the citric acid ester provides delayed breaking initially and substantially complete breaking after fracture formation is completed.
44. The method of claim 43, wherein the citric acid ester is trimethyl citrate, triethyl citrate, tripropyl citrate, or tributyl citrate.
45. The method of claim 43, wherein the citric acid ester is acetyl trimethyl citrate, acetyl triethyl citrate, acetyl tripropyl citrate, or acetyl tributyl citrate.
46. A well treatment fluid composition comprising:
a solvent;
a polymer which is either soluble or hydratable in the solvent:
a crosslinking agent;
a breaking agent;
an enzyme; and an ester, wherein:
the breaking agent is an inorganic percarbonate, perborate, peroxide, or perphosphate; and the ester is an ester of a polycarboxylic acid and a C1-C11 alcohol.
38. The method of claim 31, wherein the breaking agent is calcium peroxide, magnesium peroxide, or zinc peroxide.
39. The method of claim 31, wherein the ester is a C1-C11 alcohol oxalate ester, a C1-C11 alcohol citrate ester, a C1-C11 alcohol ethylene diamine tetraacetate (EDTA) ester, a C1-C11 alcohol nitrilotriacetate ester, a C1-C11 alcohol phosphate ester, a C1-C11 alcohol phthalate ester, a C1-C11 alcohol maleate ester, a C1-C11 alcohol malonate ester, or a C1-C11 alcohol tartrate ester.
40. The method of claim 31, wherein the ester is dimethyl oxalate, dimethyl malonate, dimethyl succinate, dimethyl maleate, dimethyl tartrate, trimethyl citrate, dimethyl phthalate, tetramethyl ethylene diamine tetraacetate (EDTA), trimethyl nitriloacetate, diethyl oxalate, diethyl malonate, diethyl succinate, diethyl maleate, diethyl tartrate, triethyl citrate, diethyl phthatate, tetraethyl ethylene diamine tetraacetate (EDTA), triethyl nitriloacetate, dipropyl oxalate, dipropyl malonate, dipropyl succinate, dipropyl maleate, dipropyl tartrate, tripropyl citrate, dipropyl phthalate, tetrapropyl ethylene diamine tetraacetate (EDTA), tripropyl nitriloacetate, dibutyl oxalate, dibutyl malonate dibutyl succinate, dibutyl maleate, dibutyl tartrate, triburyl citrate, dibutyl phthalate, tetrabutyl ethylene diamine tetraacetate (EDTA), or tributyl nitriloacetate.
41. The method of claim 3l, wherein the ester is acetyl trimethyl citrate, acetyl methyl citrate, acetyl tripropyl citrate, or acetyl triburyl citrate.
42. The method of claim 31, wherein the ester is acetyl methyl citrate.
43. A method of fracturing a subterranean formation, the method comprising:
contacting water or brine with guar gum, hydroxypropyl guar, carboxymethyl guar, carboxymethyl hydroxypropyl guar, or carboxymethyl hydroxyethyl cellulose to form a base gel, contacting the base gel with:
a borate, titanate or zirconium crosslinking agent;
an alkaline earth peroxide or zinc peroxide; and a citric acid ester to form a gelling fluid; and contacting the gelling fluid and at least a portion of the subterranean formation at pressures sufficient to form fractures in the formation, wherein:
the citric acid ester provides delayed breaking initially and substantially complete breaking after fracture formation is completed.
44. The method of claim 43, wherein the citric acid ester is trimethyl citrate, triethyl citrate, tripropyl citrate, or tributyl citrate.
45. The method of claim 43, wherein the citric acid ester is acetyl trimethyl citrate, acetyl triethyl citrate, acetyl tripropyl citrate, or acetyl tributyl citrate.
46. A well treatment fluid composition comprising:
a solvent;
a polymer which is either soluble or hydratable in the solvent:
a crosslinking agent;
a breaking agent;
an enzyme; and an ester, wherein:
the breaking agent is an inorganic percarbonate, perborate, peroxide, or perphosphate; and the ester is an ester of a polycarboxylic acid and a C1-C11 alcohol.
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-
2002
- 2002-01-08 WO PCT/US2002/000676 patent/WO2002055843A1/en not_active Application Discontinuation
- 2002-01-08 US US10/041,511 patent/US6793018B2/en not_active Expired - Lifetime
- 2002-01-08 CA CA2432160A patent/CA2432160C/en not_active Expired - Lifetime
- 2002-01-09 AR ARP020100064A patent/AR035415A1/en active IP Right Grant
-
2004
- 2004-08-23 US US10/923,930 patent/US6983801B2/en not_active Expired - Fee Related
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WO2002055843A1 (en) | 2002-07-18 |
US6793018B2 (en) | 2004-09-21 |
AR035415A1 (en) | 2004-05-26 |
US6983801B2 (en) | 2006-01-10 |
CA2432160C (en) | 2010-04-13 |
US20050016733A1 (en) | 2005-01-27 |
US20020125012A1 (en) | 2002-09-12 |
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