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)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (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 (de) |
| EP (1) | EP0668958B1 (de) |
| AU (1) | AU675999B2 (de) |
| BR (1) | BR9307489A (de) |
| CA (1) | CA2149863A1 (de) |
| DE (1) | DE69317575D1 (de) |
| NO (1) | NO309186B1 (de) |
| WO (1) | WO1994012761A1 (de) |
Families Citing this family (98)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993025798A1 (en) * | 1992-06-11 | 1993-12-23 | Shell Internationale Research Maatschappij B.V. | A method for inhibiting gas hydrate formation |
| US5639925A (en) * | 1992-11-20 | 1997-06-17 | Colorado School Of Mines | Additives and method for controlling clathrate hydrates in fluid systems |
| US5432292A (en) * | 1992-11-20 | 1995-07-11 | Colorado School Of Mines | 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 |
| GB9505864D0 (en) * | 1995-03-23 | 1995-05-10 | Bp Exploration Operating | Hydrate Inhibition |
| GB9505865D0 (en) * | 1995-03-23 | 1995-05-10 | Bp Exploration Operating | Hydrate Inhibitors |
| 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 |
| DE69601493T2 (de) * | 1995-06-08 | 1999-08-26 | Exxon Production Research Co. | Verfahren zur verhinderung der hydratbildung |
| GB2301836B (en) * | 1995-06-08 | 1997-05-07 | Exxon Production Research Co | A method for inhibiting hydrate formation |
| US5936040A (en) * | 1995-06-08 | 1999-08-10 | Exxon Production Research Company | Method for inhibiting hydrate formation using maleimide copolymers |
| DE69631891T2 (de) * | 1995-06-08 | 2005-01-27 | Exxonmobil Upstream Research Co., Houston | Verfahren zur hemmung der bildung von hydraten |
| US5744665A (en) * | 1995-06-08 | 1998-04-28 | Exxon Production Research Company | Maleimide copolymers and method for inhibiting hydrate formation |
| WO1996041784A1 (en) * | 1995-06-08 | 1996-12-27 | Exxon Production Research Company | Method for inhibiting hydrate formation |
| US6028233A (en) * | 1995-06-08 | 2000-02-22 | Exxon Production Research Company | Method for inhibiting hydrate formation |
| 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 |
| WO1998023843A1 (en) * | 1996-11-22 | 1998-06-04 | Clariant Gmbh | Additives for inhibiting formation of gas hydrates |
| 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 |
| WO2001088334A2 (en) | 2000-05-15 | 2001-11-22 | 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 |
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-
1993
- 1993-06-24 US US08/083,108 patent/US5432292A/en not_active Expired - Fee Related
- 1993-11-17 EP EP19940901579 patent/EP0668958B1/de not_active Expired - Lifetime
- 1993-11-17 AU AU56121/94A patent/AU675999B2/en not_active Expired - Fee Related
- 1993-11-17 BR BR9307489A patent/BR9307489A/pt not_active IP Right Cessation
- 1993-11-17 WO PCT/US1993/011191 patent/WO1994012761A1/en active IP Right Grant
- 1993-11-17 DE DE69317575T patent/DE69317575D1/de not_active Expired - Lifetime
- 1993-11-17 CA CA 2149863 patent/CA2149863A1/en not_active Abandoned
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1994
- 1994-05-25 US US08/248,477 patent/US5880319A/en not_active Expired - Fee Related
-
1995
- 1995-05-19 NO NO951999A patent/NO309186B1/no not_active IP Right Cessation
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|---|---|
| CA2149863A1 (en) | 1994-06-09 |
| BR9307489A (pt) | 1999-08-24 |
| NO951999D0 (no) | 1995-05-19 |
| EP0668958B1 (de) | 1998-03-18 |
| WO1994012761A1 (en) | 1994-06-09 |
| NO951999L (no) | 1995-05-19 |
| DE69317575D1 (de) | 1998-04-23 |
| AU675999B2 (en) | 1997-02-27 |
| AU5612194A (en) | 1994-06-22 |
| US5880319A (en) | 1999-03-09 |
| US5432292A (en) | 1995-07-11 |
| EP0668958A1 (de) | 1995-08-30 |
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| MK1K | Patent expired |