CA1228471A - Methode et composes de gel acide pour acidifier des gisements - Google Patents

Methode et composes de gel acide pour acidifier des gisements

Info

Publication number: CA1228471A
Authority: CA; Canada
Prior art keywords: acid; composition; formation; polymer; weight percent
Prior art date: 1984-08-23
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.): Expired

Application number

CA000461615A

Other languages

English (en)

Inventor

Warren L. Nehmer

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dow Chemical Co

Original Assignee

Dow Chemical Co

Priority date (The priority date 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 date listed.)

1984-08-23

Filing date

1984-08-23

Publication date

1987-10-27

1984-08-23 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1984-08-23 Priority to CA000461615A priority Critical patent/CA1228471A/fr

1987-10-27 Application granted granted Critical

1987-10-27 Publication of CA1228471A publication Critical patent/CA1228471A/fr

Status Expired legal-status Critical Current

Links

239000002253 acid Substances 0.000 title claims abstract description 118
230000015572 biosynthetic process Effects 0.000 title claims abstract description 83
238000005755 formation reaction Methods 0.000 title claims abstract description 83
239000000203 mixture Substances 0.000 title claims abstract description 75
238000000034 method Methods 0.000 title claims description 26
239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 13
150000007513 acids Chemical class 0.000 claims abstract description 10
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 8
239000011260 aqueous acid Substances 0.000 claims abstract description 8
AMFZXVSYJYDGJD-UHFFFAOYSA-M ethyl-dimethyl-(3-methyl-2-oxobut-3-enyl)azanium;chloride Chemical compound [Cl-].CC[N+](C)(C)CC(=O)C(C)=C AMFZXVSYJYDGJD-UHFFFAOYSA-M 0.000 claims abstract description 8
229920003169 water-soluble polymer Polymers 0.000 claims abstract description 8
230000015556 catabolic process Effects 0.000 claims abstract description 6
238000006731 degradation reaction Methods 0.000 claims abstract description 6
CIWBSHSKHKDKBQ-DUZGATOHSA-N D-araboascorbic acid Natural products OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 claims abstract description 5
235000010350 erythorbic acid Nutrition 0.000 claims abstract description 5
239000004318 erythorbic acid Substances 0.000 claims abstract description 5
229940026239 isoascorbic acid Drugs 0.000 claims abstract description 5
VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims abstract 5
229910001447 ferric ion Inorganic materials 0.000 claims abstract 5
229920000642 polymer Polymers 0.000 claims description 52
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 26
239000000178 monomer Substances 0.000 claims description 26
239000012530 fluid Substances 0.000 claims description 24
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
125000002091 cationic group Chemical group 0.000 claims description 13
239000002738 chelating agent Substances 0.000 claims description 10
238000010306 acid treatment Methods 0.000 claims description 9
150000003839 salts Chemical class 0.000 claims description 8
235000010323 ascorbic acid Nutrition 0.000 claims description 4
229960005070 ascorbic acid Drugs 0.000 claims description 4
239000011668 ascorbic acid Substances 0.000 claims description 4
125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
238000001879 gelation Methods 0.000 claims 2
229920000768 polyamine Polymers 0.000 claims 2
239000000499 gel Substances 0.000 abstract description 7
239000000243 solution Substances 0.000 description 25
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 22
150000002500 ions Chemical class 0.000 description 12
229910052742 iron Inorganic materials 0.000 description 12
238000011282 treatment Methods 0.000 description 11
239000003795 chemical substances by application Substances 0.000 description 9
238000004519 manufacturing process Methods 0.000 description 9
235000015165 citric acid Nutrition 0.000 description 8
230000002378 acidificating effect Effects 0.000 description 7
229920006317 cationic polymer Polymers 0.000 description 7
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 6
230000035515 penetration Effects 0.000 description 6
239000002244 precipitate Substances 0.000 description 6
238000001556 precipitation Methods 0.000 description 6
239000003352 sequestering agent Substances 0.000 description 6
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 5
238000006243 chemical reaction Methods 0.000 description 5
150000001875 compounds Chemical class 0.000 description 5
229920001577 copolymer Polymers 0.000 description 5
230000000694 effects Effects 0.000 description 5
238000009472 formulation Methods 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 5
235000010352 sodium erythorbate Nutrition 0.000 description 5
239000004320 sodium erythorbate Substances 0.000 description 5
RBWSWDPRDBEWCR-RKJRWTFHSA-N sodium;(2r)-2-[(2r)-3,4-dihydroxy-5-oxo-2h-furan-2-yl]-2-hydroxyethanolate Chemical compound [Na+].[O-]C[C@@H](O)[C@H]1OC(=O)C(O)=C1O RBWSWDPRDBEWCR-RKJRWTFHSA-N 0.000 description 5
230000008719 thickening Effects 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
239000012736 aqueous medium Substances 0.000 description 4
238000002474 experimental method Methods 0.000 description 4
229940093915 gynecological organic acid Drugs 0.000 description 4
239000011159 matrix material Substances 0.000 description 4
238000002156 mixing Methods 0.000 description 4
229910052757 nitrogen Inorganic materials 0.000 description 4
150000007524 organic acids Chemical class 0.000 description 4
235000005985 organic acids Nutrition 0.000 description 4
238000005086 pumping Methods 0.000 description 4
101100313164 Caenorhabditis elegans sea-1 gene Proteins 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
-1 Gleason Chemical compound 0.000 description 3
235000011054 acetic acid Nutrition 0.000 description 3
150000001860 citric acid derivatives Chemical class 0.000 description 3
230000007797 corrosion Effects 0.000 description 3
238000005260 corrosion Methods 0.000 description 3
239000000839 emulsion Substances 0.000 description 3
238000005530 etching Methods 0.000 description 3
239000006260 foam Substances 0.000 description 3
239000007789 gas Substances 0.000 description 3
239000004310 lactic acid Substances 0.000 description 3
235000014655 lactic acid Nutrition 0.000 description 3
150000007522 mineralic acids Chemical class 0.000 description 3
230000001590 oxidative effect Effects 0.000 description 3
230000035699 permeability Effects 0.000 description 3
FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
125000005208 trialkylammonium group Chemical group 0.000 description 3
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
108010010803 Gelatin Proteins 0.000 description 2
AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
241000282320 Panthera leo Species 0.000 description 2
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
229960000583 acetic acid Drugs 0.000 description 2
230000002152 alkylating effect Effects 0.000 description 2
150000003857 carboxamides Chemical class 0.000 description 2
238000011161 development Methods 0.000 description 2
XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
229910001448 ferrous ion Inorganic materials 0.000 description 2
235000019253 formic acid Nutrition 0.000 description 2
239000008273 gelatin Substances 0.000 description 2
229920000159 gelatin Polymers 0.000 description 2
235000019322 gelatine Nutrition 0.000 description 2
235000011852 gelatine desserts Nutrition 0.000 description 2
229960002050 hydrofluoric acid Drugs 0.000 description 2
239000003112 inhibitor Substances 0.000 description 2
239000000463 material Substances 0.000 description 2
FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
239000003921 oil Substances 0.000 description 2
239000002245 particle Substances 0.000 description 2
238000006116 polymerization reaction Methods 0.000 description 2
239000011148 porous material Substances 0.000 description 2
YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
239000004094 surface-active agent Substances 0.000 description 2
239000007762 w/o emulsion Substances 0.000 description 2
BSSNZUFKXJJCBG-OWOJBTEDSA-N (e)-but-2-enediamide Chemical compound NC(=O)\C=C\C(N)=O BSSNZUFKXJJCBG-OWOJBTEDSA-N 0.000 description 1
PUAQLLVFLMYYJJ-UHFFFAOYSA-N 2-aminopropiophenone Chemical compound CC(N)C(=O)C1=CC=CC=C1 PUAQLLVFLMYYJJ-UHFFFAOYSA-N 0.000 description 1
OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical compound CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 description 1
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
239000005695 Ammonium acetate Substances 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
239000004971 Cross linker Substances 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
229920006063 Lamide® Polymers 0.000 description 1
235000019738 Limestone Nutrition 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
244000046052 Phaseolus vulgaris Species 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
VYTBPJNGNGMRFH-UHFFFAOYSA-N acetic acid;azane Chemical compound N.N.CC(O)=O.CC(O)=O.CC(O)=O.CC(O)=O VYTBPJNGNGMRFH-UHFFFAOYSA-N 0.000 description 1
150000001243 acetic acids Chemical class 0.000 description 1
239000003929 acidic solution Substances 0.000 description 1
NUFNQYOELLVIPL-UHFFFAOYSA-N acifluorfen Chemical compound C1=C([N+]([O-])=O)C(C(=O)O)=CC(OC=2C(=CC(=CC=2)C(F)(F)F)Cl)=C1 NUFNQYOELLVIPL-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
229920000180 alkyd Polymers 0.000 description 1
XFBXDGLHUSUNMG-UHFFFAOYSA-N alumane;hydrate Chemical class O.[AlH3] XFBXDGLHUSUNMG-UHFFFAOYSA-N 0.000 description 1
229910000147 aluminium phosphate Inorganic materials 0.000 description 1
235000019257 ammonium acetate Nutrition 0.000 description 1
229940043376 ammonium acetate Drugs 0.000 description 1
235000019270 ammonium chloride Nutrition 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
QKWNIOMGXBERHJ-RXSVEWSESA-N azane;(2r)-2-[(1s)-1,2-dihydroxyethyl]-3,4-dihydroxy-2h-furan-5-one Chemical compound N.OC[C@H](O)[C@H]1OC(=O)C(O)=C1O QKWNIOMGXBERHJ-RXSVEWSESA-N 0.000 description 1
239000010953 base metal Substances 0.000 description 1
229910001570 bauxite Inorganic materials 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
238000001246 colloidal dispersion Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000007334 copolymerization reaction Methods 0.000 description 1
239000010779 crude oil Substances 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
230000002939 deleterious effect Effects 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
239000010459 dolomite Substances 0.000 description 1
229910000514 dolomite Inorganic materials 0.000 description 1
238000002036 drum drying Methods 0.000 description 1
239000003995 emulsifying agent Substances 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
239000004088 foaming agent Substances 0.000 description 1
229940013688 formic acid Drugs 0.000 description 1
150000004674 formic acids Chemical class 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
125000002768 hydroxyalkyl group Chemical group 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
150000004694 iodide salts Chemical class 0.000 description 1
229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
239000006028 limestone Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
229910021645 metal ion Inorganic materials 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
239000011707 mineral Substances 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
239000003345 natural gas Substances 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
238000012667 polymer degradation Methods 0.000 description 1
CONVKSGEGAVTMB-RKJRWTFHSA-M potassium (2R)-2-[(1R)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate Chemical compound [K+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] CONVKSGEGAVTMB-RKJRWTFHSA-M 0.000 description 1
239000001103 potassium chloride Substances 0.000 description 1
235000011164 potassium chloride Nutrition 0.000 description 1
230000002028 premature Effects 0.000 description 1
230000008569 process Effects 0.000 description 1
235000019260 propionic acid Nutrition 0.000 description 1
229940095574 propionic acid Drugs 0.000 description 1
IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
229920005604 random copolymer Polymers 0.000 description 1
239000000376 reactant Substances 0.000 description 1
229960004889 salicylic acid Drugs 0.000 description 1
239000004576 sand Substances 0.000 description 1
235000009518 sodium iodide Nutrition 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
230000003068 static effect Effects 0.000 description 1
230000004936 stimulating effect Effects 0.000 description 1
238000012360 testing method Methods 0.000 description 1
ICKIMNNCJKMGAT-UHFFFAOYSA-M trimethyl(3-oxopent-4-enyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCC(=O)C=C ICKIMNNCJKMGAT-UHFFFAOYSA-M 0.000 description 1
UZNHKBFIBYXPDV-UHFFFAOYSA-N trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)NCCC[N+](C)(C)C UZNHKBFIBYXPDV-UHFFFAOYSA-N 0.000 description 1
OEIXGLMQZVLOQX-UHFFFAOYSA-N trimethyl-[3-(prop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCCNC(=O)C=C OEIXGLMQZVLOQX-UHFFFAOYSA-N 0.000 description 1
230000000007 visual effect Effects 0.000 description 1

Landscapes

Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

CA000461615A 1984-08-23 1984-08-23 Methode et composes de gel acide pour acidifier des gisements Expired CA1228471A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000461615A CA1228471A (fr)	1984-08-23	1984-08-23	Methode et composes de gel acide pour acidifier des gisements

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000461615A CA1228471A (fr)	1984-08-23	1984-08-23	Methode et composes de gel acide pour acidifier des gisements

Publications (1)

Publication Number	Publication Date
CA1228471A true CA1228471A (fr)	1987-10-27

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ID=4128570

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000461615A Expired CA1228471A (fr)	1984-08-23	1984-08-23	Methode et composes de gel acide pour acidifier des gisements

Country Status (1)

Country	Link
CA (1)	CA1228471A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115199252A (zh) *	2022-06-07	2022-10-18	中国地质调查局水文地质环境地质调查中心	一种拉张构造应力环境下的干热岩直井储层改造方法

1984
- 1984-08-23 CA CA000461615A patent/CA1228471A/fr not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115199252A (zh) *	2022-06-07	2022-10-18	中国地质调查局水文地质环境地质调查中心	一种拉张构造应力环境下的干热岩直井储层改造方法

Legal Events

Date	Code	Title	Description
2004-10-27	MKEX	Expiry

Publication	Publication Date	Title
US4055502A (en)	1977-10-25	Method and composition for acidizing subterranean formations
US4079011A (en)	1978-03-14	Composition containing a polyvinylpyrrolidone and method for stimulating well production
US4200154A (en)	1980-04-29	Composition and method for stimulating well production
US7205264B2 (en)	2007-04-17	Well treatment method using fluid containing lactic acid or salt thereof
US3791446A (en)	1974-02-12	Method for stimulating well production
US4624795A (en)	1986-11-25	Aqueous acid gels and use thereof
US4460751A (en)	1984-07-17	Crosslinking composition and method of preparation
US4277580A (en)	1981-07-07	Terpolymer of N-vinyl pyrrolidone in alkoxylated form
US4524829A (en)	1985-06-25	Method of altering the permeability of a subterranean formation
US4244826A (en)	1981-01-13	Gelled acidic well treating composition and process
US20090114390A1 (en)	2009-05-07	High temperature aqueous-based zirconium crosslinking composition and use
GB2163790A (en)	1986-03-05	Methods for acidizing subterranean formations and gelled acid compositions
GB1562308A (en)	1980-03-12	Aqueous acidis fluids for acid treatment of subterranean formations
CA1211881A (fr)	1986-09-23	Composition et methode pour stimuler un gisement petrolifere
US20080035344A1 (en)	2008-02-14	Delayed polyacrylamide-co-aluminum hydroxyl chloride gel
US4191657A (en)	1980-03-04	Compositions for acidizing subterranean formations
EP0251585A2 (fr)	1988-01-07	Traitement de formations souterraines contenant du fer
US4240505A (en)	1980-12-23	Well acidizing compositions and methods
US3924684A (en)	1975-12-09	Method for stimulating well production
US4524003A (en)	1985-06-18	Method of viscosifying aqueous fluids and process for recovery of hydrocarbons from subterranean formations
US4068719A (en)	1978-01-17	Method for acidizing subterranean formations
US4163476A (en)	1979-08-07	Secondary recovery process utilizing an acrylamido alkanesulfonic acid polymer
EP0161858A2 (fr)	1985-11-21	Composition pour modifier la perméabilité de formations souterraines
US3927717A (en)	1975-12-23	Secondary recovery process utilizing polyvinylpyrrolidones
CA1211880A (fr)	1986-09-23	Methode pour ameliorer la dispersibilite des polymeres anioniques solubles a l'eau

CA1228471A - Methode et composes de gel acide pour acidifier des gisements - Google Patents

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Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4128570

Family Applications (1)

Country Status (1)

Cited By (1)

Cited By (1)

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