CN110317595A - High contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition and its preparation method and application method - Google Patents
High contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition and its preparation method and application method Download PDFInfo
- Publication number
- CN110317595A CN110317595A CN201810296296.4A CN201810296296A CN110317595A CN 110317595 A CN110317595 A CN 110317595A CN 201810296296 A CN201810296296 A CN 201810296296A CN 110317595 A CN110317595 A CN 110317595A
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- Prior art keywords
- foam
- calcium
- oil reservoir
- magnesium
- liquid composition
- Prior art date
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Links
- 239000006260 foam Substances 0.000 title claims abstract description 146
- 239000000203 mixture Substances 0.000 title claims abstract description 76
- 239000011575 calcium Substances 0.000 title claims abstract description 65
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 60
- 239000007788 liquid Substances 0.000 title claims abstract description 60
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000011777 magnesium Substances 0.000 title claims abstract description 59
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910001868 water Inorganic materials 0.000 claims abstract description 53
- 239000004088 foaming agent Substances 0.000 claims abstract description 37
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910001425 magnesium ion Inorganic materials 0.000 claims abstract description 34
- 229910001424 calcium ion Inorganic materials 0.000 claims abstract description 30
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003381 stabilizer Substances 0.000 claims abstract description 29
- 239000003112 inhibitor Substances 0.000 claims abstract description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 39
- -1 phospho Chemical class 0.000 claims description 33
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 28
- 150000002191 fatty alcohols Chemical class 0.000 claims description 26
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 19
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 18
- 235000019441 ethanol Nutrition 0.000 claims description 16
- SZHQPBJEOCHCKM-UHFFFAOYSA-N 2-phosphonobutane-1,2,4-tricarboxylic acid Chemical compound OC(=O)CCC(P(O)(O)=O)(C(O)=O)CC(O)=O SZHQPBJEOCHCKM-UHFFFAOYSA-N 0.000 claims description 15
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 14
- 239000011734 sodium Substances 0.000 claims description 14
- 229910052708 sodium Inorganic materials 0.000 claims description 14
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 13
- 239000004711 α-olefin Substances 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 claims description 12
- 150000002500 ions Chemical class 0.000 claims description 12
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 12
- 235000011152 sodium sulphate Nutrition 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 11
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 10
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 9
- LBHZKEWZASOKKW-UHFFFAOYSA-N C(C)(=O)O.NC(=N)N.OCC(P(O)(O)=O)P(O)(O)=O Chemical compound C(C)(=O)O.NC(=N)N.OCC(P(O)(O)=O)P(O)(O)=O LBHZKEWZASOKKW-UHFFFAOYSA-N 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 6
- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 claims description 6
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- HTJDQJBWANPRPF-UHFFFAOYSA-N Cyclopropylamine Chemical group NC1CC1 HTJDQJBWANPRPF-UHFFFAOYSA-N 0.000 claims description 4
- 229940120146 EDTMP Drugs 0.000 claims description 3
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 3
- 229910003202 NH4 Inorganic materials 0.000 claims description 3
- RXTCWPTWYYNTOA-UHFFFAOYSA-N O=P1OCCCCCO1 Chemical class O=P1OCCCCCO1 RXTCWPTWYYNTOA-UHFFFAOYSA-N 0.000 claims description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 3
- YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 3
- 239000002736 nonionic surfactant Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 3
- 235000011151 potassium sulphates Nutrition 0.000 claims description 3
- 239000002352 surface water Substances 0.000 claims description 3
- 239000008399 tap water Substances 0.000 claims description 3
- 235000020679 tap water Nutrition 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical group 0.000 claims 1
- 238000001802 infusion Methods 0.000 claims 1
- 159000000000 sodium salts Chemical class 0.000 claims 1
- 230000001629 suppression Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 77
- 235000019198 oils Nutrition 0.000 description 77
- 229910002092 carbon dioxide Inorganic materials 0.000 description 44
- 239000013043 chemical agent Substances 0.000 description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 13
- 239000002585 base Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 125000001421 myristyl group Chemical group [H]C([*])([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])C([H])([H])[H] 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 229910001415 sodium ion Inorganic materials 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 4
- 150000003009 phosphonic acids Chemical class 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- BAERPNBPLZWCES-UHFFFAOYSA-N (2-hydroxy-1-phosphonoethyl)phosphonic acid Chemical compound OCC(P(O)(O)=O)P(O)(O)=O BAERPNBPLZWCES-UHFFFAOYSA-N 0.000 description 2
- 235000016068 Berberis vulgaris Nutrition 0.000 description 2
- 241000335053 Beta vulgaris Species 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 150000002357 guanidines Chemical class 0.000 description 2
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- HLERILKGMXJNBU-UHFFFAOYSA-N norvaline betaine Chemical compound CCCC(C([O-])=O)[N+](C)(C)C HLERILKGMXJNBU-UHFFFAOYSA-N 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- NCPXQVVMIXIKTN-UHFFFAOYSA-N trisodium;phosphite Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])[O-] NCPXQVVMIXIKTN-UHFFFAOYSA-N 0.000 description 2
- 239000002888 zwitterionic surfactant Substances 0.000 description 2
- OGSPWJRAVKPPFI-UHFFFAOYSA-N Alendronic Acid Chemical compound NCCCC(O)(P(O)(O)=O)P(O)(O)=O OGSPWJRAVKPPFI-UHFFFAOYSA-N 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 description 1
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 1
- NGGOVSDVFULNPO-UHFFFAOYSA-N OCCCCC.[F] Chemical compound OCCCCC.[F] NGGOVSDVFULNPO-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Natural products P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XQXMBCRAZQYYPS-UHFFFAOYSA-N [Na].C(N)(O)=O Chemical compound [Na].C(N)(O)=O XQXMBCRAZQYYPS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229940062527 alendronate Drugs 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- JBIROUFYLSSYDX-UHFFFAOYSA-M benzododecinium chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 JBIROUFYLSSYDX-UHFFFAOYSA-M 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- MRUAUOIMASANKQ-UHFFFAOYSA-O carboxymethyl-[3-(dodecanoylamino)propyl]-dimethylazanium Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC(O)=O MRUAUOIMASANKQ-UHFFFAOYSA-O 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
- QCCKPZOPTXCJPL-UHFFFAOYSA-N dodecyl(dimethyl)azanium;hydroxide Chemical compound [OH-].CCCCCCCCCCCC[NH+](C)C QCCKPZOPTXCJPL-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 229930182478 glucoside Natural products 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 125000000400 lauroyl group Chemical group O=C([*])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])[H] 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 1
- 229940082004 sodium laurate Drugs 0.000 description 1
- UAJTZZNRJCKXJN-UHFFFAOYSA-M sodium;2-dodecoxy-2-oxoethanesulfonate Chemical compound [Na+].CCCCCCCCCCCCOC(=O)CS([O-])(=O)=O UAJTZZNRJCKXJN-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
-
- 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/594—Compositions used in combination with injected gas, e.g. CO2 orcarbonated gas
-
- 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
- C09K8/92—Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material
- C09K8/94—Foams
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Lubricants (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition and its preparation method and application method, with high contents of calcium and magnesium oil reservoir CO2The total weight of foam foam liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.01-0.3wt%, and foam stabilizer 0.002-0.1wt%, foaming agent 0.1-0.6wt%, surplus is water.Technical solution of the present invention is by will be by including foam liquid composition and CO that calcium ions and magnesium ions inhibitor, foam stabilizer and foaming agent etc. form2Alternately injection oil reservoir, so that in reservoir formation foam, the Jamin effect generated in porous media using formed foam makes to be subsequently implanted into CO2Involve range expansion, to improve oil recovery factor.
Description
Technical field
The invention belongs to oil field development technical fields, more particularly, to a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid group
Close object and its preparation method and application method.
Background technique
So-called high contents of calcium and magnesium oil reservoir refers to Ca contained in oil reservoir water2+、Mg2+The equal higher oil reservoir of divalent ions, refers specifically to Ca2 +、Mg2+Equal divalent ion contents are greater than the oil reservoir of 400mg/L.Current such oil reservoir is mainly based on waterflooding development, existing chemistry
Drive technology can not be in such oil reservoir application.
Currently used for conventional oil reservoir CO2The foam foaming agent research of drive is more: especially America & Canada, such as
The rouge that alpha-alkene sulfonate, the USP4113011 of lignosulfonates, USP4393937 introduction that USP4086964 is introduced are introduced
Fat alcohol polyoxy-ethylene sulfates, Lathanol LAL70 of Stepan Chemical Co., CD1045 of Chevrn etc..
Cheng Jiecheng et al. disclosed in patent CN101089117 it is a kind of by neopelex, modified guanidine glue and
The foaming agent of water composition, for adjusting the gas entry profile of carbon dioxide injection gas well.CN103721625A describes a kind of water base water
Insoluble macromolecular surfactant is as foam stabiliser.It is fine that CN105238380A discloses a kind of oil gas field novel inorganic
Particle strengthening foam system, the foaming agent including 0.2~0.8wt%, the novel inorganic subparticle of 0.5-2.0wt%, surplus
For water；The novel inorganic subparticle is the fine particle that partial size≤2.5 μm screened are trapped in atmosphere.
CN104140802A describes a kind of gas well water pumping gas production foam discharging agent, by Gemini surface active agent (quaternary ammonium salt Shuangzi surface
Activating agent), zwitterionic surfactant (cocoyl amine propyl betaine or lauroyl amine propyl betaine), Gao Jianneng
Surfactant (fluorocarbon surfactant) and high molecular polymer (polyacrylamide) mix.
CN85102151 describes a kind of carbon dioxide-base liquid fracturing fluid for pressure break, and foaming agent therein is beet
Alkali, sulphation alkyl oxide, ethoxylated linear alcohols, quaternary ammonium alkyl, alkyldiethanolamine, at least one in oxidation of alkyl amine
Kind.CN103980873 discloses a kind of three-phase froth composite oil-displacing system, and foaming agent used is myristyl hydroxyl sulfobetaines
One of alkali, Cocoamidopropyl betaine or combination, foam stabilizing system are the compound system of polymer and frozen glue dispersion.
CN105038756 discloses a kind of carbon dioxide foam systems of displacement of reservoir oil addition hydrophilic nano particle, mainly by laruyl alcohol
Polyoxyethylene poly-oxygen propylene aether, hydrophilic nano SiO 2 particle, sodium chloride composition.CN1890346 discloses for being acidified,
Matrix acidizing, gravel, water conservancy diversion and the carbon dioxide foaming of cleaning fluid, foaming agent are beet alkali ampholytic surface active agent,
Dodecyl benzyl dimethyl ammonium chloride etc..CN101619210 discloses a kind of suitable for low-permeability oil deposit carbon dioxide foaming
Stabilizer is made of modified guanidine glue, hydroxyethyl cellulose, lauryl alcohol.CN103275693 discloses a kind of acidity CO2Foam pressure
The efficient foaming agent of system is split, carbochain is alkyl dimethyl betaine, alkyl sulfo betaines, the cetyl hydroxypropyl of 16-18
Sulfobetaines and lauryl alcohol ether glucosides composition.CN103881683 discloses a kind of for CO2The blistering of has channeling is blocked in the displacement of reservoir oil
Agent, by carboxylic acid type imidazoline amophoteric surface active agent, alpha-alkene sulfonate, dodecyldimethylammonium hydroxide inner salt and alkylolamides
Composition.CN104293334X discloses one kind and dissolves in CO2Foaming agent and preparation method thereof, consisting of alkyl phenol polyoxy second
Alkene ether, and use ethyl alcohol, amylalcohol, fluorine amylalcohol as solubilizer.CN104498016A discloses a kind of carbon dioxide drive foam
Agent and preparation method thereof, foaming agent group become 12 a heatable brick bed base amino carboxylic acid sodium of N- and Shuangzi sodium laurate, and foam stabilizer is
One or two kinds of mixing of molecular weight polyethylene glycol 200-6000, polyvinyl alcohol, modified polyvinylalcohol.CN102746841B is announced
A kind of stable foam system based on nano particle and Gemini surface active.
It is found that although having studied many related CO both at home and abroad from the patent announced2Foam foaming agent, but often
Surfactant of the rule for blistering, especially anionic surfactant, on the ground of the higher oil reservoir of calcium and magnesium ion content
Dissolubility is poor in layer water, performance declines.Zwitterionic surfactant, although having good frothing capacity and stability,
Dissolubility in high contents of calcium and magnesium ionized water is unaffected, but due to containing two kinds of ionic groups of yin, yang in its molecule, is easy in reservoir
Middle absorption and lose, therefore the pressure break as near wellbore zone be it is suitable, there is one for the displacement of reservoir oil or the processing of reservoir deep
Fixed deficiency.
Summary of the invention
The object of the present invention is to provide a kind of CO that suitable high contents of calcium and magnesium oil reservoir uses2Foam foam liquid composition, can be in height
Stable CO is formed in calcium and magnesium salt water2Foam, so as to improve CO2Drive effect.
To achieve the goals above, the first aspect of the present invention provides a kind of high contents of calcium and magnesium oil reservoir CO2The combination of foam foam liquid
Object, with high contents of calcium and magnesium oil reservoir CO2The total weight of foam foam liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.01-
0.3wt%, foam stabilizer 0.002-0.1wt%, foaming agent 0.1-0.6wt%, surplus are water.
Preferably, with high contents of calcium and magnesium oil reservoir CO2The total weight of foam foam liquid composition, the composition include: calcium and magnesium from
Sub- inhibitor 0.02-0.1wt%, foam stabilizer 0.01-0.03wt%, foaming agent 0.1-0.6wt%, surplus are water.
Preferably, the calcium ions and magnesium ions inhibitor is organic phospho acid and/or organic phosphonate；The organic phosphonate is to have
At least one of machine phosphonic acid sodium salt, organic phospho acid sylvite and organic phospho acid ammonium salt.
Preferably, the organic phospho acid includes: aminotrimethylenephosphonic acid, ethylene diamine tetra methylene phosphonic acid, hydroxy ethylidene two
Phosphonic acids, diethylene triamine pentamethylene phosphonic, 2- phosphonobutane -1,2,4- tricarboxylic acids, 2- hydroxyethylidene diphosphonic acid guanidine-acetic acid, hexamethylene diamine tetramethyl
Pitch phosphonic acids, at least one of polyamino polyether base methylenephosphonic acid and two inferior hexyl triamine pentamethylene phosphonic acids；
The organic phosphonate includes: amino trimethylene phosphonic salt, ethylene diamine tetra methylene phosphonic acid salt, 1-hydroxy ethylene-1,1-diphosphonic
Hydrochlorate, diethylene triamine pentamethylene phosphonic salt, 2- phosphonobutane -1,2,4- tricarboxylate, 2- hydroxyethylidene diphosphonic acid guanidine-acetic acid salt, oneself two
Four methene phosphonate of amine, at least one in polyamino polyether base methylenephosphonic acid salt and two inferior hexyl triamine pentamethylene phosphonates
Kind.
Preferably, the foam stabilizer is alkanolamide class nonionic surfactant；Preferably lauric acid amide of ethanol.
Preferably, the foaming agent includes fatty alcohol polyoxyethylene ether sulfate and/or alpha-alkene sulfonate；The blistering
Agent preferably includes fatty alcohol polyoxyethylene ether sulfate and alpha-alkene sulfonate.
Preferably, the alpha-alkene sulfonate is alpha-olefin sodium sulfonate, and carbon number distribution 12-18, preferably carbon number distribution are
14-16；
The fatty alcohol polyoxyethylene ether sulfate includes sodium sulfate of polyethenoxy ether of fatty alcohol, fatty alcohol polyoxyethylene ether
At least one of ammonium sulfate and fatty alcohol polyoxyethylene ether potassium sulfate；
The molecular structure of the fatty alcohol polyoxyethylene ether sulfate is preferred are as follows: RO (CH2CH2O)n-SO3- X, wherein R is
C12-C15Alkyl, n=2-4, X Na, K or NH4。
Preferably, the water is water flooding, tap water, the surface water or oil reservoir reinjected water；The high contents of calcium and magnesium oil reservoir is divalent
Ion concentration is higher than the oil reservoir of 400mg/L.
The second aspect of the present invention provides a kind of above-mentioned high contents of calcium and magnesium oil reservoir CO2The preparation method of foam foam liquid composition,
The preparation method includes: to be uniformly mixed water, calcium ions and magnesium ions inhibitor, foam stabilizer and foaming agent, obtains the foam liquid combination
Object.
The third aspect of the present invention provides a kind of above-mentioned high contents of calcium and magnesium oil reservoir CO2The application method of foam foam liquid composition,
The application method includes: (1) by the foam liquid composition and CO2Gas alternately injects oil reservoir, is then injected into big slug CO2；
(2) step (1) is repeated.
Technical solution of the present invention is by will be by including blistering that calcium ions and magnesium ions inhibitor, foam stabilizer and foaming agent etc. form
Liquid composition and CO2Alternately injection oil reservoir, to be generated in porous media in reservoir formation foam using formed foam
Jamin effect makes to be subsequently implanted into CO2Involve range expansion, to improve oil recovery factor.
Other features and advantages of the present invention will then part of the detailed description can be specified.
Specific embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe preferred implementations of the invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without that should be limited by the embodiments set forth herein.Phase
Instead, these embodiments are provided so that the present invention is more thorough and complete, and can be by the scope of the present invention completely
It is communicated to those skilled in the art.
The first aspect of the present invention provides a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition, with high contents of calcium and magnesium oil reservoir CO2
The total weight of foam foam liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.01-0.3wt%, foam stabilizer
0.002-0.1wt%, foaming agent 0.1-0.6wt%, surplus are water.
Preferably, with high contents of calcium and magnesium oil reservoir CO2The total weight of foam foam liquid composition, the composition include: calcium and magnesium from
Sub- inhibitor 0.02-0.1wt%, foam stabilizer 0.01-0.03wt%, foaming agent 0.1-0.6wt%, surplus are water.
Preferably, the calcium ions and magnesium ions inhibitor is organic phospho acid and/or organic phosphonate；The organic phosphonate is to have
At least one of machine phosphonic acid sodium salt, organic phospho acid sylvite and organic phospho acid ammonium salt.
Preferably, the organic phospho acid includes: aminotrimethylenephosphonic acid, ethylene diamine tetra methylene phosphonic acid, hydroxy ethylidene two
Phosphonic acids, diethylene triamine pentamethylene phosphonic, 2- phosphonobutane -1,2,4- tricarboxylic acids, 2- hydroxyethylidene diphosphonic acid guanidine-acetic acid, hexamethylene diamine tetramethyl
Pitch phosphonic acids, at least one of polyamino polyether base methylenephosphonic acid and two inferior hexyl triamine pentamethylene phosphonic acids；
The organic phosphonate includes: amino trimethylene phosphonic salt, ethylene diamine tetra methylene phosphonic acid salt, 1-hydroxy ethylene-1,1-diphosphonic
Hydrochlorate, diethylene triamine pentamethylene phosphonic salt, 2- phosphonobutane -1,2,4- tricarboxylate, 2- hydroxyethylidene diphosphonic acid guanidine-acetic acid salt, oneself two
Four methene phosphonate of amine, at least one in polyamino polyether base methylenephosphonic acid salt and two inferior hexyl triamine pentamethylene phosphonates
Kind.
Preferably, the foam stabilizer is alkanolamide class nonionic surfactant；Preferably lauric acid amide of ethanol
Preferably, the foaming agent includes fatty alcohol polyoxyethylene ether sulfate and/or alpha-alkene sulfonate；The blistering
Agent preferably includes fatty alcohol polyoxyethylene ether sulfate and alpha-alkene sulfonate.
Preferably, the alpha-alkene sulfonate is alpha-olefin sodium sulfonate, and carbon number distribution 12-18, preferably carbon number distribution are
14-16；
The fatty alcohol polyoxyethylene ether sulfate includes sodium sulfate of polyethenoxy ether of fatty alcohol, fatty alcohol polyoxyethylene ether
At least one of ammonium sulfate and fatty alcohol polyoxyethylene ether potassium sulfate；
The molecular structure of the fatty alcohol polyoxyethylene ether sulfate is preferred are as follows: RO (CH2CH2O)n-SO3- X, wherein R is
C12-C15Alkyl, n=2-4, X Na, K or NH4。
Preferably, the water is water flooding, tap water, the surface water or oil reservoir reinjected water；The high contents of calcium and magnesium oil reservoir is divalent
Ion concentration is higher than the oil reservoir of 400mg/L.
Preferably, water is preferably oil reservoir reinjected water.
The present invention is primarily directed to high contents of calcium and magnesium oil reservoir, i.e. Ca in oil reservoir water2+、Mg2+The equal higher oil of divalent ion contents
Hiding, refers specifically to Ca in oil reservoir water2+、Mg2+Equal divalent ion contents are higher than the oil reservoir of 400mg/L.
The second aspect of the present invention provides a kind of above-mentioned high contents of calcium and magnesium oil reservoir CO2The preparation method of foam foam liquid composition,
The preparation method includes: to be uniformly mixed water, calcium ions and magnesium ions inhibitor, foam stabilizer and foaming agent, obtains the foam liquid combination
Object.
Preferably, water, calcium ions and magnesium ions inhibitor, foam stabilizer and foaming agent are sequentially added, it is every that a kind of chemistry is added
It is sufficiently stirred after agent, a kind of lower chemical agent is added after added chemical agent is completely dissolved, until all components add most end form
At uniform, transparent aqueous solution, as high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition.
Preferably, high contents of calcium and magnesium oil reservoir CO of the invention is prepared2The each component of foam foam liquid composition can be with
It is commercially available.
The third aspect of the present invention provides a kind of above-mentioned high contents of calcium and magnesium oil reservoir CO2The application method of foam foam liquid composition,
The application method includes: (1) by the foam liquid composition and CO2Gas alternately injects oil reservoir, is then injected into big slug CO2；
(2) step (1) is repeated.
By injecting foaming agent composition aqueous solution of the present invention, CO can be formed in oil reservoir2Foam, to improve
CO2Drive effect.
The present invention is further illustrated by the following examples:
Embodiment 1
The present embodiment provides a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition, with high contents of calcium and magnesium oil reservoir CO2Foam blistering
The total weight of liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.02wt%, foam stabilizer 0.01wt%, foaming agent
0.2wt%, surplus are water；Wherein, the calcium ions and magnesium ions inhibitor is by 2- phosphonobutane -1,2,4- tricarboxylic acids and hydroxy ethylidene two
Phosphoric acid composition, the mass ratio of the two are 1:1；The foaming agent by tetradecyl alchohol polyethenoxy ether sodium sulfate (polymerization degree n 2-3) with
The alpha-olefin sodium sulfonate that carbon number is 14 forms, and the mass ratio of the two is 1:1；The foam stabilizer is lauric acid amide of ethanol；Institute
Stating water is oil reservoir reinjected water, total salinity 23000mg/L, Ca2+、Mg2+Divalent ion content is 560mg/L, remaining is chlorine
Ion and sodium ion.
Process for preparation is the high contents of calcium and magnesium oil reservoir CO that prepare 1000g2Foam foam liquid composition weighs oil reservoir first and returns
997.7g is filled the water, is put into stirring container；Sequentially add 2- phosphonobutane -1,2,4- tricarboxylic acids 0.1g, 1-hydroxy ethylidene-1,1-diphosphonic acid
0.1g, lauric acid amide of ethanol 0.1g, sodium sulfate of polyethenoxy ether of fatty alcohol 1g, alpha-olefin sodium sulfonate 1g, it is every that one kind is added
It is sufficiently stirred after chemical agent, a kind of lower chemical agent is added after added chemical agent is completely dissolved, until all components add most
End form is at uniform, transparent aqueous solution, as high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition.
Embodiment 2
The present embodiment provides a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition, with high contents of calcium and magnesium oil reservoir CO2Foam blistering
The total weight of liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.05wt%, foam stabilizer 0.02wt%, foaming agent
0.2wt%, surplus are water；Wherein, the calcium ions and magnesium ions inhibitor is by 2- phosphonobutane -1,2,4- tricarboxylic acids and amino trimethylene first
Base Alendronate composition, the mass ratio of the two are 1:1；The foaming agent is by tetradecyl alchohol polyethenoxy ether sodium sulfate (polymerization degree n 2-
3) the alpha-olefin sodium sulfonate for being 14 with carbon number forms, and the mass ratio of the two is 3:1；The foam stabilizer is coconut oil diethanol acyl
Amine；The water is oil reservoir reinjected water, total salinity 32000mg/L, Ca2+、Mg2+Divalent ion content is 2550mg/L,
Remaining is chloride ion and sodium ion.
Process for preparation is the high contents of calcium and magnesium oil reservoir CO that prepare 1000g2Foam foam liquid composition weighs oil reservoir first and returns
997.3g is filled the water, is put into stirring container；Sequentially add 2- phosphonobutane -1,2,4- tricarboxylic acids 0.25g, aminotrimethylene phosphine
Sour sodium 0.25g, lauric acid amide of ethanol 0.2g, sodium sulfate of polyethenoxy ether of fatty alcohol 1.5g, alpha-olefin sodium sulfonate 0.5g, often
It is sufficiently stirred after a kind of chemical agent is added, a kind of lower chemical agent is added after added chemical agent is completely dissolved, until all groups
Divide to add and ultimately forms uniform, transparent aqueous solution, as high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition.
Embodiment 3
The present embodiment provides a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition, with high contents of calcium and magnesium oil reservoir CO2Foam blistering
The total weight of liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.1wt%, foam stabilizer 0.03wt%, foaming agent
0.25wt%, surplus are water；Wherein, the calcium ions and magnesium ions inhibitor is 2- phosphonobutane -1,2,4- tricarboxylic acids, the foaming agent
It is made of the alpha-olefin sodium sulfonate that tetradecyl alchohol polyethenoxy ether sodium sulfate (polymerization degree n 2-3) is 14 with carbon number, the quality of the two
Than for 4:1；The foam stabilizer is lauric acid amide of ethanol；The water be oil reservoir reinjected water, total salinity 32000mg/L,
Ca2+、Mg2+Divalent ion content is 2550mg/L, remaining is chloride ion and sodium ion.
Process for preparation is the high contents of calcium and magnesium oil reservoir CO that prepare 1000g2Foam foam liquid composition weighs oil reservoir first and returns
996.2g is filled the water, is put into stirring container；Sequentially add 2- phosphonobutane -1,2,4- tricarboxylic acids 1g, lauric acid amide of ethanol
0.3g, fatty alcohol polyoxyethylene ether ammonium sulfate 2g, alpha-olefin sodium sulfonate 0.5g, it is every a kind of chemical agent is added after be sufficiently stirred, to
Added chemical agent adds a kind of lower chemical agent after being completely dissolved, until all components add and ultimately form uniform, transparent water
Solution, as high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition.
Embodiment 4
The present embodiment provides a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition, with high contents of calcium and magnesium oil reservoir CO2Foam blistering
The total weight of liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.012wt%, foam stabilizer 0.005wt%, blistering
Agent 0.2wt%, surplus are water；Wherein, the calcium ions and magnesium ions inhibitor is by 2- phosphonobutane -1,2,4- tricarboxylic acids and hydroxy ethylidene
Diphosphonic acid composition, the mass ratio of the two are 2:1；The foaming agent is by tetradecyl alchohol polyethenoxy ether sodium sulfate (polymerization degree n 2-3)
The alpha-olefin sodium sulfonate for being 14 with carbon number forms, and the mass ratio of the two is 1:1；The foam stabilizer is lauric acid amide of ethanol；
The water is oil reservoir reinjected water, total salinity 23000mg/L, Ca2+、Mg2+Divalent ion content is 560mg/L, remaining is
Chloride ion and sodium ion.
Process for preparation is the high contents of calcium and magnesium oil reservoir CO that prepare 1000g2Foam foam liquid composition weighs oil reservoir first and returns
997.83g is filled the water, is put into stirring container；Sequentially add 2- phosphonobutane -1,2,4- tricarboxylic acids 0.08g, two phosphorus of hydroxy ethylidene
Sour 0.04g, lauric acid amide of ethanol 0.05g, sodium sulfate of polyethenoxy ether of fatty alcohol 1g, alpha-olefin sodium sulfonate 1g, every addition
It is sufficiently stirred after a kind of chemical agent, a kind of lower chemical agent is added after added chemical agent is completely dissolved, until all components add
It is complete to ultimately form uniform, transparent aqueous solution, as high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition.
Embodiment 5
The present embodiment provides a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition, with high contents of calcium and magnesium oil reservoir CO2Foam blistering
The total weight of liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.027wt%, foam stabilizer 0.09wt%, foaming agent
0.25wt%, surplus are water；Wherein, the calcium ions and magnesium ions inhibitor is by 2- phosphonobutane -1,2,4- tricarboxylic acids and hydroxy ethylidene
Diphosphonic acid composition, the mass ratio of the two are 2:1；The foaming agent is by tetradecyl alchohol polyethenoxy ether sodium sulfate (polymerization degree n 2-3)
The alpha-olefin sodium sulfonate for being 14 with carbon number forms, and the mass ratio of the two is 1:1；The foam stabilizer is lauric acid amide of ethanol；
The water is oil reservoir reinjected water, total salinity 23000mg/L, Ca2+、Mg2+Divalent ion content is 560mg/L, remaining is
Chloride ion and sodium ion.
Process for preparation is the high contents of calcium and magnesium oil reservoir CO that prepare 1000g2Foam foam liquid composition weighs oil reservoir first and returns
996.33g is filled the water, is put into stirring container；Sequentially add 2- phosphonobutane -1,2,4- tricarboxylic acids 0.18g, two phosphorus of hydroxy ethylidene
Sour 0.09g, lauric acid amide of ethanol 0.9g, sodium sulfate of polyethenoxy ether of fatty alcohol 1.25g, alpha-olefin sodium sulfonate 1.25g, often
It is sufficiently stirred after a kind of chemical agent is added, a kind of lower chemical agent is added after added chemical agent is completely dissolved, until all groups
Divide to add and ultimately forms uniform, transparent aqueous solution, as high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition.
Test case
To high contents of calcium and magnesium oil reservoir CO made from embodiment 1-32Foam foam liquid composition carries out foam performance test, specific to survey
" a kind of measurement foaming agent is in CO referring to patent CN201310141634.4 for method for testing and instrument2The device of middle foam performance
And its measuring method " tested, specific test result is shown in Table 1.
Table 1
| Test temperature | Foaming volume, mL | Half-life period, s | |
| Embodiment 1 | 70℃ | 420 | 835 |
| Embodiment 2 | 70℃ | 360 | 640 |
| Embodiment 3 | 70℃ | 370 | 750 |
| Embodiment 4 | 70℃ | 340 | 570 |
| Embodiment 5 | 70℃ | 350 | 520 |
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. a kind of high contents of calcium and magnesium oil reservoir CO2Foam foam liquid composition, which is characterized in that with high contents of calcium and magnesium oil reservoir CO2Foam foam liquid group
The total weight of object is closed, the composition includes: calcium ions and magnesium ions inhibitor 0.01-0.3wt%, foam stabilizer 0.002-0.1wt%, is risen
Infusion 0.1-0.6wt%, surplus are water.
2. high contents of calcium and magnesium oil reservoir CO according to claim 12Foam foam liquid composition, wherein with high contents of calcium and magnesium oil reservoir CO2Bubble
The total weight of foam foam liquid composition, the composition include: calcium ions and magnesium ions inhibitor 0.02-0.1wt%, foam stabilizer 0.01-
0.03wt%, foaming agent 0.1-0.6wt%, surplus are water.
3. high contents of calcium and magnesium oil reservoir CO according to claim 1 or 22Foam foam liquid composition, wherein the calcium ions and magnesium ions suppression
Preparation is organic phospho acid and/or organic phosphonate；The organic phosphonate is organic phospho acid sodium salt, organic phospho acid sylvite and organic
At least one of phosphonic acids ammonium salt.
4. high contents of calcium and magnesium oil reservoir CO according to claim 32Foam foam liquid composition, wherein the organic phospho acid includes:
Aminotrimethylenephosphonic acid, ethylene diamine tetra methylene phosphonic acid, 1-hydroxy ethylidene-1,1-diphosphonic acid, diethylene triamine pentamethylene phosphonic, 2- phosphonic acids
Butane -1,2,4- tricarboxylic acids, 2- hydroxyethylidene diphosphonic acid guanidine-acetic acid, hexapotassium, polyamino polyether base methylenephosphonic acid and two
At least one of inferior hexyl triamine pentamethylene phosphonic acids；
The organic phosphonate includes: amino trimethylene phosphonic salt, ethylene diamine tetra methylene phosphonic acid salt, 1-hydroxy ethylidene-1,1-diphosphonic acid
Salt, diethylene triamine pentamethylene phosphonic salt, 2- phosphonobutane -1,2,4- tricarboxylate, 2- hydroxyethylidene diphosphonic acid guanidine-acetic acid salt, hexamethylene diamine
Four methene phosphonates, at least one of polyamino polyether base methylenephosphonic acid salt and two inferior hexyl triamine pentamethylene phosphonates.
5. high contents of calcium and magnesium oil reservoir CO according to claim 1 or 22Foam foam liquid composition, wherein the foam stabilizer is alkane
Alkylolamides class nonionic surfactant；Preferably lauric acid amide of ethanol.
6. high contents of calcium and magnesium oil reservoir CO according to claim 1 or 22Foam foam liquid composition, wherein the foaming agent includes
Fatty alcohol polyoxyethylene ether sulfate and/or alpha-alkene sulfonate；The foaming agent preferably includes fatty alcohol polyoxyethylene ether sulphur
Hydrochlorate and alpha-alkene sulfonate.
7. high contents of calcium and magnesium oil reservoir CO according to claim 62Foam foam liquid composition, wherein the alpha-alkene sulfonate is
Alpha-olefin sodium sulfonate, carbon number distribution 12-18, preferably carbon number distribution are 14-16；
The fatty alcohol polyoxyethylene ether sulfate includes sodium sulfate of polyethenoxy ether of fatty alcohol, fatty alcohol polyoxyethylene ether sulfuric acid
At least one of ammonium and fatty alcohol polyoxyethylene ether potassium sulfate；
The molecular structure of the fatty alcohol polyoxyethylene ether sulfate is preferred are as follows: RO (CH2CH2O)n-SO3- X, wherein R C12-
C15Alkyl, n=2-4, X Na, K or NH4。
8. high contents of calcium and magnesium oil reservoir CO according to claim 1 or 22Foam foam liquid composition, wherein the water be water flooding,
Tap water, the surface water or oil reservoir reinjected water；The high contents of calcium and magnesium oil reservoir is the oil reservoir that divalent ion content is higher than 400mg/L.
9. high contents of calcium and magnesium oil reservoir CO described in any one of claim 1-82The preparation method of foam foam liquid composition, it is special
Sign is that the preparation method includes: to be uniformly mixed water, calcium ions and magnesium ions inhibitor, foam stabilizer and foaming agent, obtains the blistering
Liquid composition.
10. claim 1-8 to high contents of calcium and magnesium oil reservoir CO described in any one2The application method of foam foam liquid composition, it is special
Sign is, which includes: (1) by the foam liquid composition and CO2Gas alternately injects oil reservoir, is then injected into big section
Fill in CO2；(2) step (1) is repeated.
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| CN111139051A (en) * | 2020-04-07 | 2020-05-12 | 山东新港化工有限公司 | Foam channeling sealing agent for CO2 flooding of heavy oil reservoir and preparation method and application thereof |
| CN111215247A (en) * | 2020-01-07 | 2020-06-02 | 中南大学 | Inhibitor for high-calcium fluorite direct flotation and flotation method |
| CN114350335A (en) * | 2022-03-21 | 2022-04-15 | 胜利油田新海兴达实业集团有限责任公司 | Foaming agent for oil field and preparation method thereof |
| CN115895626A (en) * | 2022-11-09 | 2023-04-04 | 山东新港化工有限公司 | Enhanced CO for low permeability reservoirs 2 Corrosion inhibition type nano foam oil washing agent for flooding and preparation method and application thereof |
| CN117106430A (en) * | 2023-10-18 | 2023-11-24 | 西南石油大学 | Profile control and flooding system suitable for strong heterogeneous oil reservoir and application |
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