NO301438B1 - Fremgangsmåte til å endre permeabiliteten av en porös underjordisk formasjon - Google Patents
Fremgangsmåte til å endre permeabiliteten av en porös underjordisk formasjon Download PDFInfo
- Publication number
- NO301438B1 NO301438B1 NO910959A NO910959A NO301438B1 NO 301438 B1 NO301438 B1 NO 301438B1 NO 910959 A NO910959 A NO 910959A NO 910959 A NO910959 A NO 910959A NO 301438 B1 NO301438 B1 NO 301438B1
- Authority
- NO
- Norway
- Prior art keywords
- vinyl
- group
- water
- acrylamide
- sodium
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 11
- 230000035699 permeability Effects 0.000 title claims description 9
- 229920003169 water-soluble polymer Polymers 0.000 claims description 23
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 21
- 239000000178 monomer Substances 0.000 claims description 21
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 229920001897 terpolymer Polymers 0.000 claims description 12
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 11
- 229920001577 copolymer Polymers 0.000 claims description 11
- FWFUWXVFYKCSQA-UHFFFAOYSA-M sodium;2-methyl-2-(prop-2-enoylamino)propane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(C)(C)NC(=O)C=C FWFUWXVFYKCSQA-UHFFFAOYSA-M 0.000 claims description 9
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 claims description 5
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 5
- 239000000203 mixture Chemical class 0.000 claims description 5
- 229940047670 sodium acrylate Drugs 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- -1 cationic quaternary ammonium compounds Chemical class 0.000 claims description 4
- 229920001519 homopolymer Polymers 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- VAPQAGMSICPBKJ-UHFFFAOYSA-N 2-nitroacridine Chemical compound C1=CC=CC2=CC3=CC([N+](=O)[O-])=CC=C3N=C21 VAPQAGMSICPBKJ-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- WFYUDNURZGHOKD-UHFFFAOYSA-N C(=C)OS(=O)(=O)CC1=CC=CC=C1.[K] Chemical compound C(=C)OS(=O)(=O)CC1=CC=CC=C1.[K] WFYUDNURZGHOKD-UHFFFAOYSA-N 0.000 claims description 3
- UCBVWDCPTGHCMM-UHFFFAOYSA-N C=COS(CC1=CC=CC=C1)(=O)=O.N Chemical compound C=COS(CC1=CC=CC=C1)(=O)=O.N UCBVWDCPTGHCMM-UHFFFAOYSA-N 0.000 claims description 3
- 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 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- GYCMBHHDWRMZGG-UHFFFAOYSA-N Methylacrylonitrile Chemical compound CC(=C)C#N GYCMBHHDWRMZGG-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- WPKYZIPODULRBM-UHFFFAOYSA-N azane;prop-2-enoic acid Chemical compound N.OC(=O)C=C WPKYZIPODULRBM-UHFFFAOYSA-N 0.000 claims description 3
- DZGUJOWBVDZNNF-UHFFFAOYSA-N azanium;2-methylprop-2-enoate Chemical compound [NH4+].CC(=C)C([O-])=O DZGUJOWBVDZNNF-UHFFFAOYSA-N 0.000 claims description 3
- SGIAKTJHCBPGOS-UHFFFAOYSA-N azanium;ethenesulfonate Chemical compound N.OS(=O)(=O)C=C SGIAKTJHCBPGOS-UHFFFAOYSA-N 0.000 claims description 3
- PWHMFVALYNYYMZ-UHFFFAOYSA-N ethenyl phenylmethanesulfonate;sodium Chemical compound [Na].C=COS(=O)(=O)CC1=CC=CC=C1 PWHMFVALYNYYMZ-UHFFFAOYSA-N 0.000 claims description 3
- 125000005670 ethenylalkyl group Chemical group 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- LLLCSBYSPJHDJX-UHFFFAOYSA-M potassium;2-methylprop-2-enoate Chemical compound [K+].CC(=C)C([O-])=O LLLCSBYSPJHDJX-UHFFFAOYSA-M 0.000 claims description 3
- YLQIJFPHMPTBGU-UHFFFAOYSA-M potassium;ethenesulfonate Chemical compound [K+].[O-]S(=O)(=O)C=C YLQIJFPHMPTBGU-UHFFFAOYSA-M 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 claims description 3
- BWYYYTVSBPRQCN-UHFFFAOYSA-M sodium;ethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=C BWYYYTVSBPRQCN-UHFFFAOYSA-M 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 claims description 3
- QWZBWROUTWGTDT-UHFFFAOYSA-N 2-(1-hydroxypropyl)phenol Chemical compound CCC(O)C1=CC=CC=C1O QWZBWROUTWGTDT-UHFFFAOYSA-N 0.000 claims description 2
- NDDFBEOUDFSIHZ-UHFFFAOYSA-N 3-(1-hydroxyethyl)benzene-1,2-diol Chemical compound CC(O)C1=CC=CC(O)=C1O NDDFBEOUDFSIHZ-UHFFFAOYSA-N 0.000 claims description 2
- VCTFYMKANZNZGJ-UHFFFAOYSA-N 3-(1-hydroxypropyl)benzene-1,2-diol Chemical compound CCC(O)C1=CC=CC(O)=C1O VCTFYMKANZNZGJ-UHFFFAOYSA-N 0.000 claims description 2
- UBFALTGHGHULNL-UHFFFAOYSA-N 3-(hydroxymethyl)benzene-1,2-diol Chemical compound OCC1=CC=CC(O)=C1O UBFALTGHGHULNL-UHFFFAOYSA-N 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 claims 2
- RFPLNIBCLGFBKV-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate;methyl hydrogen sulfate Chemical class COS([O-])(=O)=O.C[NH+](C)CCOC(=O)C=C RFPLNIBCLGFBKV-UHFFFAOYSA-N 0.000 claims 1
- SLPCHCIQXJFYPY-UHFFFAOYSA-N ethenyl phenylmethanesulfonate Chemical compound C=COS(=O)(=O)CC1=CC=CC=C1 SLPCHCIQXJFYPY-UHFFFAOYSA-N 0.000 claims 1
- 239000000499 gel Substances 0.000 description 18
- 238000005755 formation reaction Methods 0.000 description 17
- 229920000642 polymer Polymers 0.000 description 15
- 239000003431 cross linking reagent Substances 0.000 description 6
- 239000003708 ampul Substances 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000001879 gelation Methods 0.000 description 3
- CQRYARSYNCAZFO-UHFFFAOYSA-N salicyl alcohol Chemical compound OCC1=CC=CC=C1O CQRYARSYNCAZFO-UHFFFAOYSA-N 0.000 description 3
- CBQFBEBEBCHTBK-UHFFFAOYSA-N 1-phenylprop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)C(C=C)C1=CC=CC=C1 CBQFBEBEBCHTBK-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BIWSOHCILAMHGH-UHFFFAOYSA-M diethyl-methyl-(2-prop-2-enoyloxyethyl)azanium;methyl sulfate Chemical class COS([O-])(=O)=O.CC[N+](C)(CC)CCOC(=O)C=C BIWSOHCILAMHGH-UHFFFAOYSA-M 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- JVNCFFFHVBWVBR-UHFFFAOYSA-N 2-(1-hydroxyethyl)phenol Chemical compound CC(O)C1=CC=CC=C1O JVNCFFFHVBWVBR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000009423 ventilation Methods 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
- C09K8/60—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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/06—Clay-free compositions
- C09K8/12—Clay-free compositions containing synthetic organic macromolecular compounds or their precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Detergent Compositions (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/491,993 US5100931A (en) | 1990-03-12 | 1990-03-12 | Gelation of acrylamide-containing polymers with hydroxyphenylalkanols |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO910959D0 NO910959D0 (no) | 1991-03-11 |
| NO910959L NO910959L (no) | 1991-09-13 |
| NO301438B1 true NO301438B1 (no) | 1997-10-27 |
Family
ID=23954518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO910959A NO301438B1 (no) | 1990-03-12 | 1991-03-11 | Fremgangsmåte til å endre permeabiliteten av en porös underjordisk formasjon |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5100931A (es) |
| EP (1) | EP0446865B1 (es) |
| AR (1) | AR246780A1 (es) |
| AU (1) | AU622365B2 (es) |
| CA (1) | CA2035420A1 (es) |
| EG (1) | EG19751A (es) |
| NO (1) | NO301438B1 (es) |
| NZ (1) | NZ237343A (es) |
| TR (1) | TR25064A (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5246073A (en) * | 1992-08-31 | 1993-09-21 | Union Oil Company Of California | High temperature stable gels |
| US5617920A (en) * | 1992-08-31 | 1997-04-08 | Union Oil Company Of California | Method for modifying gelation time of organically crosslinked, aqueous gels |
| US5335733A (en) * | 1992-08-31 | 1994-08-09 | Union Oil Company Of California | Method for delaying gelation of a gelable polymer composition injected into a subterranean formation |
| US5957203A (en) * | 1992-08-31 | 1999-09-28 | Union Oil Company Of California | Ultra-high temperature stable gels |
| US5973029A (en) * | 1993-10-12 | 1999-10-26 | The Sherwin-Williams Company | Corrosion-resistant waterborne paints |
| EP1081186A1 (en) * | 1999-08-13 | 2001-03-07 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Stabilized aqueous acrylamide polymer composition and photographic element containing the composition |
| US7399818B2 (en) * | 2004-03-16 | 2008-07-15 | Rohm And Haas Company | Curable composition and use thereof |
| US20080224087A1 (en) * | 2007-03-14 | 2008-09-18 | Ezell Ryan G | Aqueous-Based Insulating Fluids and Related Methods |
| US20080223596A1 (en) * | 2007-03-14 | 2008-09-18 | Ryan Ezell | Aqueous-Based Insulating Fluids and Related Methods |
| AU2015384202B2 (en) | 2015-02-23 | 2018-04-19 | Halliburton Energy Services, Inc. | Methods of use for crosslinked polymer compositions in subterranean formation operations |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4240505A (en) * | 1978-05-04 | 1980-12-23 | Phillips Petroleum Company | Well acidizing compositions and methods |
| US4440228A (en) * | 1980-08-06 | 1984-04-03 | Phillips Petroleum Company | Gelled compositions and well treating |
| US4529533A (en) * | 1982-09-17 | 1985-07-16 | The B. F. Goodrich Company | Substituted 2-(2,6-di-t-butly-4-alkylphenoxy) 4H-1,3,2-benzodioxaphosphorins and compositions thereof |
| US4822842A (en) * | 1987-02-03 | 1989-04-18 | Phillips Petroleum Company | Delaying the gelation of water soluble polymers |
| US4928766A (en) * | 1989-02-16 | 1990-05-29 | Mobil Oil Corporation | Stabilizing agent for profile control gels and polymeric gels of improved stability |
-
1990
- 1990-03-12 US US07/491,993 patent/US5100931A/en not_active Expired - Fee Related
-
1991
- 1991-01-31 CA CA002035420A patent/CA2035420A1/en not_active Abandoned
- 1991-03-06 NZ NZ237343A patent/NZ237343A/en unknown
- 1991-03-06 AU AU72642/91A patent/AU622365B2/en not_active Ceased
- 1991-03-11 EG EG14191A patent/EG19751A/xx active
- 1991-03-11 NO NO910959A patent/NO301438B1/no not_active IP Right Cessation
- 1991-03-12 TR TR91/0260A patent/TR25064A/xx unknown
- 1991-03-12 AR AR91319203A patent/AR246780A1/es active
- 1991-03-12 EP EP91103747A patent/EP0446865B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NO910959L (no) | 1991-09-13 |
| AR246780A1 (es) | 1994-09-30 |
| TR25064A (tr) | 1992-11-01 |
| AU7264291A (en) | 1991-10-24 |
| CA2035420A1 (en) | 1991-09-13 |
| AU622365B2 (en) | 1992-04-02 |
| US5100931A (en) | 1992-03-31 |
| EP0446865A3 (en) | 1991-10-16 |
| EP0446865A2 (en) | 1991-09-18 |
| NO910959D0 (no) | 1991-03-11 |
| EG19751A (en) | 1996-05-31 |
| NZ237343A (en) | 1993-01-27 |
| EP0446865B1 (en) | 1994-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |