NO309186B1 - Fremgangsmåte for regulering av klatrat-hydrater i et fluid som er i stand til å danne klatrat-hydrater - Google Patents
Fremgangsmåte for regulering av klatrat-hydrater i et fluid som er i stand til å danne klatrat-hydrater Download PDFInfo
- Publication number
- NO309186B1 NO309186B1 NO951999A NO951999A NO309186B1 NO 309186 B1 NO309186 B1 NO 309186B1 NO 951999 A NO951999 A NO 951999A NO 951999 A NO951999 A NO 951999A NO 309186 B1 NO309186 B1 NO 309186B1
- Authority
- NO
- Norway
- Prior art keywords
- additive
- cyclic chemical
- ring
- grouping
- fluid
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title claims description 87
- 150000004677 hydrates Chemical class 0.000 title claims description 49
- 238000000034 method Methods 0.000 title claims description 39
- 230000001105 regulatory effect Effects 0.000 title claims description 4
- 239000000654 additive Substances 0.000 claims description 71
- 125000004122 cyclic group Chemical group 0.000 claims description 66
- 230000000996 additive effect Effects 0.000 claims description 65
- 239000000126 substance Substances 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- -1 poly(N-vinyl-2-pyrrolidone) Polymers 0.000 claims description 25
- 125000003636 chemical group Chemical group 0.000 claims description 21
- 229920000642 polymer Polymers 0.000 claims description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 125000000623 heterocyclic group Chemical group 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 8
- 150000003951 lactams Chemical group 0.000 claims description 7
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- JWYVGKFDLWWQJX-UHFFFAOYSA-N 1-ethenylazepan-2-one Chemical compound C=CN1CCCCCC1=O JWYVGKFDLWWQJX-UHFFFAOYSA-N 0.000 claims description 4
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 4
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical group O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 claims description 4
- SWDFXFNBEUPMKE-UHFFFAOYSA-N (tert-butylamino) 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)ONC(C)(C)C SWDFXFNBEUPMKE-UHFFFAOYSA-N 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 3
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical group O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims 2
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 description 30
- 230000015572 biosynthetic process Effects 0.000 description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 10
- 239000013078 crystal Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000003345 natural gas Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 230000032258 transport Effects 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 150000001408 amides Chemical class 0.000 description 6
- 125000004429 atom Chemical group 0.000 description 6
- 239000007792 gaseous phase Substances 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 5
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 4
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- 238000012644 addition polymerization Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 150000002596 lactones Chemical class 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 1
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 101000916532 Rattus norvegicus Zinc finger and BTB domain-containing protein 38 Proteins 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- RDHPKYGYEGBMSE-UHFFFAOYSA-N bromoethane Chemical compound CCBr RDHPKYGYEGBMSE-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 1
- 229940102396 methyl bromide Drugs 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N sec-butylidene Natural products CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum 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
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/22—Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S585/00—Chemistry of hydrocarbon compounds
- Y10S585/949—Miscellaneous considerations
- Y10S585/95—Prevention or removal of corrosion or solid deposits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0324—With control of flow by a condition or characteristic of a fluid
- Y10T137/0329—Mixing of plural fluids of diverse characteristics or conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
- Y10T137/0391—Affecting flow by the addition of material or energy
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Carbon And Carbon Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/979,588 US5420370A (en) | 1992-11-20 | 1992-11-20 | Method for controlling clathrate hydrates in fluid systems |
| US08/083,108 US5432292A (en) | 1992-11-20 | 1993-06-24 | Method for controlling clathrate hydrates in fluid systems |
| PCT/US1993/011191 WO1994012761A1 (en) | 1992-11-20 | 1993-11-17 | Method for controlling clathrate hydrates in fluid systems |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO951999D0 NO951999D0 (no) | 1995-05-19 |
| NO951999L NO951999L (no) | 1995-05-19 |
| NO309186B1 true NO309186B1 (no) | 2000-12-27 |
Family
ID=26768948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO951999A NO309186B1 (no) | 1992-11-20 | 1995-05-19 | Fremgangsmåte for regulering av klatrat-hydrater i et fluid som er i stand til å danne klatrat-hydrater |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US5432292A (pt) |
| EP (1) | EP0668958B1 (pt) |
| AU (1) | AU675999B2 (pt) |
| BR (1) | BR9307489A (pt) |
| CA (1) | CA2149863A1 (pt) |
| DE (1) | DE69317575D1 (pt) |
| NO (1) | NO309186B1 (pt) |
| WO (1) | WO1994012761A1 (pt) |
Families Citing this family (98)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU675227B2 (en) * | 1992-06-11 | 1997-01-30 | Colorado School Of Mines | A method for inhibiting gas hydrate formation |
| US5432292A (en) * | 1992-11-20 | 1995-07-11 | Colorado School Of Mines | Method for controlling clathrate hydrates in fluid systems |
| US5639925A (en) * | 1992-11-20 | 1997-06-17 | Colorado School Of Mines | Additives and method for controlling clathrate hydrates in fluid systems |
| WO1994025727A1 (en) * | 1993-05-04 | 1994-11-10 | Bp Exploration Operating Company Limited | Hydrate inhibition |
| GB9400538D0 (en) * | 1994-01-13 | 1994-03-09 | Bp Exploration Operating | Hydrate inhibition |
| US5600044A (en) * | 1994-09-15 | 1997-02-04 | Exxon Production Research Company | Method for inhibiting hydrate formation |
| US5491269A (en) * | 1994-09-15 | 1996-02-13 | Exxon Production Research Company | Method for inhibiting hydrate formation |
| USH1749H (en) * | 1994-09-15 | 1998-09-01 | Exxon Production Research Company | Method for inhibiting hydrate formation |
| US5583273A (en) * | 1994-09-15 | 1996-12-10 | Exxon Production Research Company | Method for inhibiting hydrate formation |
| FR2726484B1 (fr) * | 1994-11-08 | 1997-01-17 | Inst Francais Du Petrole | Procede pour eviter la formation d'une phase solide a partir d'hydrocarbures dans un fluide |
| GB9505865D0 (en) * | 1995-03-23 | 1995-05-10 | Bp Exploration Operating | Hydrate Inhibitors |
| GB9505864D0 (en) * | 1995-03-23 | 1995-05-10 | Bp Exploration Operating | Hydrate Inhibition |
| AU5779896A (en) * | 1995-05-26 | 1996-12-11 | Nippon Shokubai Co., Ltd. | Clathrate hydrate inhibitor and method of inhibiting the for mation of clathrate hydrates using it |
| AU705814B2 (en) | 1995-06-02 | 1999-06-03 | Nippon Shokubai Co., Ltd. | Clathrate hydrate inhibitor and method of inhibiting the formation of clathrate hydrates using it |
| US5744665A (en) * | 1995-06-08 | 1998-04-28 | Exxon Production Research Company | Maleimide copolymers and method for inhibiting hydrate formation |
| JP3836880B2 (ja) * | 1995-06-08 | 2006-10-25 | エクソンモービル アップストリーム リサーチ カンパニー | 水和物の形成を抑制する方法 |
| US5936040A (en) * | 1995-06-08 | 1999-08-10 | Exxon Production Research Company | Method for inhibiting hydrate formation using maleimide copolymers |
| GB2301836B (en) * | 1995-06-08 | 1997-05-07 | Exxon Production Research Co | A method for inhibiting hydrate formation |
| CN1063416C (zh) * | 1995-06-08 | 2001-03-21 | 埃克森生产研究公司 | 抑制水合物形成的方法 |
| US6028233A (en) * | 1995-06-08 | 2000-02-22 | Exxon Production Research Company | Method for inhibiting hydrate formation |
| DK0850209T3 (da) * | 1995-06-08 | 2004-06-21 | Exxonmobil Upstream Res Co | Fremgangsmåde til inhibering af hydratdannelse |
| US5874660A (en) * | 1995-10-04 | 1999-02-23 | Exxon Production Research Company | Method for inhibiting hydrate formation |
| WO1997007320A1 (en) * | 1995-08-16 | 1997-02-27 | Exxon Production Research Company | A method for predetermining a polymer for inhibiting hydrate formation |
| US5741758A (en) | 1995-10-13 | 1998-04-21 | Bj Services Company, U.S.A. | Method for controlling gas hydrates in fluid mixtures |
| FR2748773B1 (fr) * | 1996-05-15 | 1998-06-26 | Inst Francais Du Petrole | Procede pour inhiber ou retarder la formation ou l'agglomeration d'hydrates dans un effluent de production |
| KR20000057145A (ko) * | 1996-11-22 | 2000-09-15 | 카흐홀즈 트라우델, 귀틀라인 파울 | 가스상 수화물 형성 억제용 첨가제 |
| US6103403A (en) * | 1997-05-15 | 2000-08-15 | University Of Kentucky Research Foundation Intellectual Property Development | Clathrate structure for electronic and electro-optic applications |
| NO972355D0 (no) | 1997-05-22 | 1997-05-22 | Rf Procom As | Blanding for regulering av clathrathydrater og en fremgangsmåte for regulering av clathrathydrat-dannelse |
| US6096815A (en) * | 1997-08-13 | 2000-08-01 | Isp Investments Inc. | Method for inhibiting the formation of gas hydrates |
| BR9705076A (pt) * | 1997-10-17 | 2000-05-09 | Petroleo Brasileiro Sa | Processo para o controle termo-hidráulico de hidrato de gás |
| US6076278A (en) * | 1997-12-18 | 2000-06-20 | Halliburton Energy Services, Inc. | Methods of drying pipelines |
| US6025302A (en) * | 1998-05-18 | 2000-02-15 | Bj Services Company | Quaternized polyether amines as gas hydrate inhibitors |
| US6194622B1 (en) | 1998-06-10 | 2001-02-27 | Exxonmobil Upstream Research Company | Method for inhibiting hydrate formation |
| FR2792997B1 (fr) | 1999-04-29 | 2001-06-29 | Inst Francais Du Petrole | Formulation d'additifs pour ameliorer le transport d'effluents petroliers susceptibles de contenir des hydrates et procede utilisant cette formulation |
| DE19920152C1 (de) * | 1999-05-03 | 2000-10-12 | Clariant Gmbh | Additive zur Inhibierung der Gashydratbildung und deren Verwendung |
| US6451892B1 (en) * | 1999-07-13 | 2002-09-17 | Isp Investments Inc. | Method for preventing or retarding the formation of gas hydrates |
| DE19935063A1 (de) * | 1999-07-28 | 2001-02-01 | Basf Ag | Pfropfpolymerisate als Gashydratinhibitoren |
| US6222083B1 (en) | 1999-10-01 | 2001-04-24 | Exxonmobil Upstream Research Company | Method for inhibiting hydrate formation |
| US6302206B1 (en) * | 1999-11-17 | 2001-10-16 | Vastar Resources, Inc. | Treatment for shut-in gas well |
| US6242518B1 (en) * | 2000-04-21 | 2001-06-05 | Isp Investments Inc. | Method for preventing or retarding the formulation of gas hydrates |
| US6756345B2 (en) | 2000-05-15 | 2004-06-29 | Bj Services Company | Well service composition and method |
| DE10059816C1 (de) | 2000-12-01 | 2002-04-18 | Clariant Gmbh | Verwendung von Additiven zur Inhibierung der Gashydratbildung |
| US6359047B1 (en) | 2001-03-20 | 2002-03-19 | Isp Investments Inc. | Gas hydrate inhibitor |
| DE10114638C1 (de) | 2001-03-24 | 2002-05-23 | Clariant Gmbh | Additive zur Inhibierung der Gashydratbildung und deren Verwendung |
| DE10122613C1 (de) * | 2001-04-11 | 2002-09-05 | Clariant Gmbh | Additive zur Inhibierung der Gashydratbildung |
| US6550542B2 (en) * | 2001-07-17 | 2003-04-22 | Conocophillips Company | Fluid profile control in enhanced oil recovery |
| GB0120912D0 (en) * | 2001-08-29 | 2001-10-17 | Bp Exploration Operating | Process |
| US20030092584A1 (en) * | 2001-11-13 | 2003-05-15 | Crews James B. | Deep water completions fracturing fluid compositions |
| US20060009363A1 (en) * | 2001-11-13 | 2006-01-12 | Baker Hughes Incorporated | Deep water completions fracturing fluid compositions |
| DE10163259C1 (de) * | 2001-12-21 | 2003-08-21 | Kuraray Specialities Europe | Additive, Verwendung und Verfahren zur Inhibierung der Gashydratbildung |
| DE10163260C1 (de) * | 2001-12-21 | 2003-08-28 | Kuraray Specialities Europe | Additive, Verwendung und Verfahren zur Inhibierung der Gashydratbildung |
| US7164051B2 (en) * | 2002-09-03 | 2007-01-16 | Baker Hughes Incorporated | Gas hydrate inhibitors |
| FR2851284A1 (fr) * | 2003-02-19 | 2004-08-20 | Inst Francais Du Petrole | Methode permettant d'eviter la sedimentation des cristaux d'hydrates de gaz |
| DE10307729B8 (de) * | 2003-02-24 | 2004-12-09 | Clariant Gmbh | Additive zur Inhibierung der Gashydratbildung |
| DE10307727B3 (de) * | 2003-02-24 | 2004-11-11 | Clariant Gmbh | Verwendung von Verbindungen als Korrosions- und Gashydratinhibitoren mit verbesserter Wasserlöslichkeit und erhöhter biologischer Abbaubarkeit und diese Verbindungen |
| DE10307730B3 (de) * | 2003-02-24 | 2004-11-11 | Clariant Gmbh | Verwendung von Verbindungen als Korrosions- und Gashydratinhibitoren mit verbesserter Wasserlöslichkeit und erhöhter biologischer Abbaubarkeit und diese Verbindungen |
| US6936092B2 (en) | 2003-03-19 | 2005-08-30 | Varco I/P, Inc. | Positive pressure drilled cuttings movement systems and methods |
| US7098171B2 (en) * | 2003-05-13 | 2006-08-29 | Halliburton Energy Services, Inc. | Synthetic filtration control polymers for wellbore fluids |
| US20050261529A1 (en) * | 2004-05-18 | 2005-11-24 | Baker Hughes Incorporated | Enhancement modifiers for gas hydrate inhibitors |
| DE102004048778B3 (de) | 2004-10-07 | 2006-06-22 | Clariant Gmbh | Korrosions-und Gashydratinhibitoren mit erhöhter biologischer Abbaubarkeit und verminderter Toxizität |
| DE102005006421A1 (de) * | 2005-02-12 | 2006-08-24 | Clariant Produkte (Deutschland) Gmbh | Polymere und ihre Herstellung und Verwendung als Gashydratinhibitoren |
| DE102005007287B4 (de) * | 2005-02-17 | 2007-01-25 | Clariant Produkte (Deutschland) Gmbh | Verwendung von Polyestern als Gashydratinhibitoren |
| DE102005009134A1 (de) * | 2005-03-01 | 2006-09-14 | Clariant Produkte (Deutschland) Gmbh | Biologisch abbaubare Gashydratinhibitoren |
| AU2006234825B2 (en) * | 2005-04-07 | 2011-08-18 | Exxonmobil Upstream Research Company | Recovery of kinetic hydrate inhibitor |
| GB0511546D0 (en) * | 2005-06-07 | 2005-07-13 | Univ Heriot Watt | A method for gas storage, transport, peak-shaving, and energy conversion |
| DE102005054038A1 (de) * | 2005-11-12 | 2007-05-24 | Clariant Produkte (Deutschland) Gmbh | Pyroglutaminsäureester mit verbesserter biologischer Abbaubarkeit |
| DE102005054037A1 (de) | 2005-11-12 | 2007-05-16 | Clariant Produkte Deutschland | Verwendung von Pyroglutaminsäureestern als Gashydratinhibitoren mit verbesserter biologischer Abbaubarkeit |
| JP5395329B2 (ja) * | 2006-06-12 | 2014-01-22 | 株式会社 資生堂 | ゲル状組成物 |
| DE102007037016B4 (de) | 2007-08-06 | 2011-06-30 | Clariant International Limited | Verwendung von 1-Alkyl-5-oxo-pyrrolidin-3-carbonsäureestern als Gashydratinhibitoren mit verbesserter biologischer Abbaubarkeit |
| DE102007037017A1 (de) | 2007-08-06 | 2009-02-19 | Clariant International Ltd. | 1-Alkyl-5-oxo-pyrrolidin-3-carbonsäureester mit verbesserter biologischer Abbaubarkeit |
| DE102007037015B3 (de) | 2007-08-06 | 2008-10-23 | Clariant International Limited | Verwendung von substituierten Polyethyleniminen als Gashydratinhibitoren mit verbesserter biologischer Abbaubarkeit |
| EP2031044A1 (en) * | 2007-08-29 | 2009-03-04 | Research Institute of Petroleum Industry (RIPI) | Stabilization of gas hydrates |
| WO2009114674A1 (en) * | 2008-03-12 | 2009-09-17 | University Of Wyoming | Dual function gas hydrate inhibitors |
| US7968500B2 (en) | 2008-06-25 | 2011-06-28 | Baker Hughes Incorporated | Gas hydrate protection with heat producing two-component gas hydrate inhibitors |
| US8047296B2 (en) * | 2008-07-25 | 2011-11-01 | Baker Hughes Incorporated | Method of transitioning to kinetic hydrate inhibitors in multiple tie-in well systems |
| EP2414409A4 (en) | 2009-03-31 | 2012-11-28 | Isp Investments Inc | POLYMERS WITH AN N-VINYLAMIDE AND HYDROXY PROPERTIES |
| DE102009030339A1 (de) | 2009-06-25 | 2011-01-05 | Clariant International Ltd. | Additive zur Inhibierung der Gashydratbildung |
| CN101799114A (zh) * | 2010-03-19 | 2010-08-11 | 华南理工大学 | 高吸水性大分子物质在水合物法储运气体中的应用 |
| DE102010022759A1 (de) | 2010-06-04 | 2011-12-08 | Clariant International Ltd. | Additive zur Inhibierung der Gashydratbildung |
| RU2491414C2 (ru) * | 2010-08-10 | 2013-08-27 | Учреждение Российской академии наук Институт океанологии им. П.П. Ширшова РАН | Способ подводной добычи углеводородов и устройство для его осуществления |
| US8183185B2 (en) | 2010-10-05 | 2012-05-22 | Baker Hughes Incoporated | Well servicing fluid comprising an organic salt being the product of an organic acid and an organic amine base and method of servicing a well with the fluid |
| US20130261275A1 (en) * | 2010-10-21 | 2013-10-03 | Isp Investments Inc. | Non-homopolymers exhibiting gas hydrate inhibition, salt tolerance and high cloud point |
| US9145465B2 (en) | 2011-10-20 | 2015-09-29 | Baker Hughes Incorporated | Low dosage kinetic hydrate inhibitors for natural gas production systems |
| KR101239201B1 (ko) * | 2011-11-03 | 2013-03-05 | 한국에너지기술연구원 | 가스 하이드레이트 생성 억제용 조성물 및 가스 하이드레이트 생성 억제 방법 |
| RU2481375C1 (ru) * | 2011-12-08 | 2013-05-10 | Открытое акционерное общество "Газпром" | Ингибитор гидратообразования кинетического действия |
| US8887815B2 (en) | 2012-01-05 | 2014-11-18 | Halliburton Energy Services, Inc. | Nanoparticle kinetic gas hydrate inhibitors |
| US9840654B2 (en) | 2012-11-16 | 2017-12-12 | Schlumberger Norge As | Kinetic hydrate inhibitors with pendent amino functionality |
| MX2016005676A (es) * | 2013-10-30 | 2016-12-07 | Transocean Sedco Forex Ventures Ltd | Prevencion de la formacion de hidratos de gas en fluidos obturadores de explosion en operaciones en aguas profundas. |
| RU2722387C2 (ru) | 2015-09-18 | 2020-05-29 | ХАНТСМЭН ПЕТРОКЕМИКАЛ ЭлЭлСи | Улучшенная кинетика поли(винилкапролактамного) ингибитора образования газовых гидратов и способ его получения |
| RU2601649C1 (ru) * | 2015-10-19 | 2016-11-10 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский государственный университет нефти и газа (национальный исследовательский университет) имени И.М. Губкина" | Способ ингибирования образования гидратов в углеводородсодержащем сырье |
| RU2601355C1 (ru) * | 2015-10-19 | 2016-11-10 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский государственный университет нефти и газа (национальный исследовательский университет) имени И.М. Губкина" | Состав для ингибирования образования гидратов в углеводородсодержащем сырье |
| JP6878463B2 (ja) | 2016-05-06 | 2021-05-26 | サウジ アラビアン オイル カンパニーＳａｕｄｉ Ａｒａｂｉａｎ Ｏｉｌ Ｃｏｍｐａｎｙ | アクリロイル系コポリマー、ターポリマー、および水和物阻害剤としての使用 |
| CN109196007B (zh) | 2016-05-06 | 2021-07-20 | 沙特阿拉伯石油公司 | 基于丙烯酰胺的共聚物、三元共聚物以及作为水合物抑制剂的用途 |
| KR102342913B1 (ko) | 2016-05-06 | 2021-12-28 | 사우디 아라비안 오일 컴퍼니 | 숙신이미드계 공중합체 및 수화물 억제제로서의 용도 |
| CN106380541B (zh) * | 2016-09-05 | 2018-07-13 | 路术松 | 酰胺类共聚物水合物动力学抑制剂的制备方法 |
| RU2649162C1 (ru) * | 2017-06-14 | 2018-03-30 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный технологический университет" (ФГБОУ ВО "КубГТУ") | Способ предотвращения образования гидратов в газоводяной системе |
| CN107795851B (zh) * | 2017-09-30 | 2019-06-11 | 天津大学 | 一种含两性离子共聚物复配型天然气水合物抑制剂及其制备方法 |
| CN111116798B (zh) * | 2019-12-24 | 2021-07-23 | 中国科学院广州能源研究所 | 一种改性的天然气水合物动力学抑制剂 |
Family Cites Families (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA612901A (en) * | 1961-01-17 | L. Moreau Bernard | Subsurface glycol injection system | |
| US2115823A (en) * | 1932-05-23 | 1938-05-03 | Standard Oil Dev Co | Lubricating composition |
| US3096383A (en) * | 1959-05-18 | 1963-07-02 | Phillips Petroleum Co | Automatic process for prevention of gas hydrate formation |
| US3213593A (en) * | 1963-07-08 | 1965-10-26 | Richfield Oil Corp | Reduction of hydrate formation in gas production equipment |
| US3348614A (en) * | 1965-06-23 | 1967-10-24 | Mobil Oil Corp | Hydrate prevention in gas production |
| NL6818356A (pt) * | 1968-12-20 | 1970-06-23 | ||
| US3644107A (en) * | 1970-03-09 | 1972-02-22 | Phillips Petroleum Co | Method for preventing the formation of hydrates and ice |
| US3962110A (en) * | 1970-10-19 | 1976-06-08 | Texaco Inc. | Process and composition for preventing scale build-up |
| US3857686A (en) * | 1971-02-08 | 1974-12-31 | Dow Chemical Co | Glycol-butyrolactone mixtures |
| US3768565A (en) * | 1971-09-29 | 1973-10-30 | Calgon Corp | Friction reducing |
| AT318784B (de) * | 1972-03-13 | 1974-11-11 | Shell Int Research | Rohölgemische |
| US4057533A (en) * | 1972-07-03 | 1977-11-08 | Gaf Corporation | Process for preparation of quaternized cationic vinyllactam-acrylamide copolymers |
| CA1031556A (en) * | 1973-07-19 | 1978-05-23 | The Dow Chemical Company | Method for reducing the strength of ice |
| US4132535A (en) * | 1976-11-17 | 1979-01-02 | Western Chemical Company | Process for injecting liquid in moving natural gas streams |
| CA1168427A (en) * | 1980-08-08 | 1984-06-05 | Roy F. House | Method of producing a homogeneous viscous well servicing fluid within a borehole and well servicing fluid compositions |
| DE3112456A1 (de) * | 1981-03-28 | 1982-10-07 | Hoechst Ag, 6000 Frankfurt | "verfahren zur verbesserung der fliessfaehigkeit von mineraloelen" |
| US4456067A (en) * | 1981-04-03 | 1984-06-26 | Marathon Oil Company | Process for inhibiting hydrate formation in producing gas wells |
| US4471097A (en) * | 1982-01-11 | 1984-09-11 | Klaus Uhl | Water soluble copolymers containing vinyl imidazole as drilling fluid additives |
| US4792412A (en) * | 1982-08-31 | 1988-12-20 | Mobil Oil Corporation | High temperature stable aqueous brine fluids viscosified by polyvinylpyrrolidone |
| US4644020A (en) * | 1983-01-28 | 1987-02-17 | Phillips Petroleum Company | Production of high molecular weight vinyl lactam polymers and copolymers |
| US4951921A (en) * | 1983-01-28 | 1990-08-28 | Phillips Petroleum Company | Polymers useful in the recovery and processing of natural resources |
| US4609476A (en) * | 1983-05-02 | 1986-09-02 | Mobil Oil Corporation | High temperature stable aqueous brine fluids |
| US4579779A (en) * | 1983-09-30 | 1986-04-01 | Freund Industrial Co., Ltd. | Method of encapsulating volatile organic liquids |
| DE3439797C2 (de) * | 1983-11-02 | 1995-04-06 | Exxon Research Engineering Co | Polymerkomplex zur Viskositätsänderung einer wäßrigen Lösung |
| US4597779A (en) * | 1985-02-27 | 1986-07-01 | Shell Oil Company | Process for inhibiting hydrates while producing moist CO2 from subterranean reservoirs |
| SU1339235A1 (ru) * | 1986-04-17 | 1987-09-23 | Ю.Ф.Макогон и И.Ю.Харив | Антигидратный ингибитор |
| US5109042A (en) * | 1987-03-23 | 1992-04-28 | Phillips Petroleum Company | Fluid loss additive for cement slurries containing a n-vinyl-2-pyrrolidone-ω-2-acrylamido-2-methylpropane sulfonate-ω-acrylic acid-ω-acrylamide polymer |
| FR2618876B1 (fr) * | 1987-07-30 | 1989-10-27 | Inst Francais Du Petrole | Procede de traitement et de transport d'un gaz contenant du methane et de l'eau |
| US4856593A (en) * | 1987-09-21 | 1989-08-15 | Conoco Inc. | Inhibition of hydrate formation |
| US5244878A (en) * | 1987-12-30 | 1993-09-14 | Institut Francais Du Petrole | Process for delaying the formation and/or reducing the agglomeration tendency of hydrates |
| FR2625547B1 (fr) * | 1987-12-30 | 1990-06-22 | Inst Francais Du Petrole | Procede pour retarder la formation et/ou reduire la tendance a l'agglomeration des hydrates |
| FR2625548B1 (fr) * | 1987-12-30 | 1990-06-22 | Inst Francais Du Petrole | Procede pour retarder la formation et/ou reduire la tendance a l'agglomeration des hydrates |
| FR2625527B1 (fr) * | 1987-12-30 | 1995-12-01 | Inst Francais Du Petrole | Procede de transport d'un fluide formant des hydrates |
| US5248665A (en) * | 1988-03-14 | 1993-09-28 | Shell Oil Company | Drilling fluids comprising polycyclic polyether polyol |
| US5083622A (en) * | 1988-03-14 | 1992-01-28 | Shell Oil Company | Method for drilling wells |
| FR2630344B1 (fr) * | 1988-04-22 | 1992-02-21 | Inst Francais Du Petrole | Procede d'extraction de l'eau melangee a un fluide liquide |
| FR2657416B1 (fr) * | 1990-01-23 | 1994-02-11 | Institut Francais Petrole | Procede et dispositif pour le transport et le traitement d'un gaz naturel. |
| GB9003617D0 (en) * | 1990-02-16 | 1990-04-11 | Shell Int Research | A method for preventing hydrates |
| US5076364A (en) * | 1990-03-30 | 1991-12-31 | Shell Oil Company | Gas hydrate inhibition |
| US5076373A (en) * | 1990-03-30 | 1991-12-31 | Shell Oil Company | Drilling fluids |
| GB9115095D0 (en) * | 1991-07-12 | 1991-08-28 | Shell Int Research | A method for preventing or retarding the formation of hydrates |
| GB9121508D0 (en) * | 1991-10-10 | 1991-11-27 | British Petroleum Co Plc | Method of inhibiting hydrate formation |
| US5204320A (en) * | 1991-11-07 | 1993-04-20 | Phillips Petroleum Company | Drilling mud additive comprising ferrous sulfate and poly(N-vinyl-2-pyrrolidone/sodium 2-acrylamido-2-methylpropane sulfonate) |
| AU675227B2 (en) * | 1992-06-11 | 1997-01-30 | Colorado School Of Mines | A method for inhibiting gas hydrate formation |
| FR2697264B1 (fr) * | 1992-10-23 | 1994-12-30 | Inst Francais Du Petrole | Procédé pour réduire la tendance à l'agglomération des hydrates dans les effluents de production. |
| US5432292A (en) * | 1992-11-20 | 1995-07-11 | Colorado School Of Mines | Method for controlling clathrate hydrates in fluid systems |
| US5420370A (en) * | 1992-11-20 | 1995-05-30 | Colorado School Of Mines | Method for controlling clathrate hydrates in fluid systems |
| US5491269A (en) * | 1994-09-15 | 1996-02-13 | Exxon Production Research Company | Method for inhibiting hydrate formation |
-
1993
- 1993-06-24 US US08/083,108 patent/US5432292A/en not_active Expired - Fee Related
- 1993-11-17 EP EP19940901579 patent/EP0668958B1/en not_active Expired - Lifetime
- 1993-11-17 DE DE69317575T patent/DE69317575D1/de not_active Expired - Lifetime
- 1993-11-17 CA CA 2149863 patent/CA2149863A1/en not_active Abandoned
- 1993-11-17 BR BR9307489A patent/BR9307489A/pt not_active IP Right Cessation
- 1993-11-17 AU AU56121/94A patent/AU675999B2/en not_active Expired - Fee Related
- 1993-11-17 WO PCT/US1993/011191 patent/WO1994012761A1/en active IP Right Grant
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1994
- 1994-05-25 US US08/248,477 patent/US5880319A/en not_active Expired - Fee Related
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1995
- 1995-05-19 NO NO951999A patent/NO309186B1/no not_active IP Right Cessation
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|---|---|
| DE69317575D1 (de) | 1998-04-23 |
| US5432292A (en) | 1995-07-11 |
| EP0668958B1 (en) | 1998-03-18 |
| BR9307489A (pt) | 1999-08-24 |
| WO1994012761A1 (en) | 1994-06-09 |
| CA2149863A1 (en) | 1994-06-09 |
| AU5612194A (en) | 1994-06-22 |
| EP0668958A1 (en) | 1995-08-30 |
| US5880319A (en) | 1999-03-09 |
| NO951999D0 (no) | 1995-05-19 |
| NO951999L (no) | 1995-05-19 |
| AU675999B2 (en) | 1997-02-27 |
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