AR248419A1 - Composicion gelificable retardada y metodo para alterar la permeabilidad de una formacion subterranea, y entrelazador retardado de polimero que contiene acrilamida para llevar a cabo dicho metodo. - Google Patents
Composicion gelificable retardada y metodo para alterar la permeabilidad de una formacion subterranea, y entrelazador retardado de polimero que contiene acrilamida para llevar a cabo dicho metodo.Info
- Publication number
- AR248419A1 AR248419A1 AR90316452A AR31645290A AR248419A1 AR 248419 A1 AR248419 A1 AR 248419A1 AR 90316452 A AR90316452 A AR 90316452A AR 31645290 A AR31645290 A AR 31645290A AR 248419 A1 AR248419 A1 AR 248419A1
- Authority
- AR
- Argentina
- Prior art keywords
- high temperature
- subterranean formation
- formation permeability
- temperature subterranean
- altering high
- Prior art date
Links
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
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/512—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
-
- 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
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/902—Controlled release agent
-
- 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
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/903—Crosslinked resin or polymer
-
- 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
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/935—Enhanced oil recovery
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Colloid Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
UN METODO Y UNA COMPOSICION PARA ALTERAR LA PERMEABILIDAD DE UNA FORMACION SUBTERRANEA DE ALTA TEMPERATURA. LA COMPOSICION DE LA INVENCION COMPRENDE AGUA, UN POLIMERO QUE CONTIENE ACRILAMIDA DISPERSABLE EN AGUA, Y UN ENTRELAZADOR DISPERSABLE EN AGUA PARA EFECTUAR EL ENTRELAZADO RETRASADO DEL POLIMERO QUE COMPRENDE LA COMBINACION DE UN ALDEHIDO Y UN DERIVADO DE ACIDO SALICILICO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/329,862 US4934456A (en) | 1989-03-29 | 1989-03-29 | Method for altering high temperature subterranean formation permeability |
Publications (1)
Publication Number | Publication Date |
---|---|
AR248419A1 true AR248419A1 (es) | 1995-08-18 |
Family
ID=23287332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR90316452A AR248419A1 (es) | 1989-03-29 | 1990-03-26 | Composicion gelificable retardada y metodo para alterar la permeabilidad de una formacion subterranea, y entrelazador retardado de polimero que contiene acrilamida para llevar a cabo dicho metodo. |
Country Status (10)
Country | Link |
---|---|
US (2) | US4934456A (es) |
EP (1) | EP0390137B1 (es) |
CN (3) | CN1032866C (es) |
AR (1) | AR248419A1 (es) |
BR (1) | BR9001417A (es) |
CA (1) | CA2011790A1 (es) |
DE (1) | DE69000115D1 (es) |
DK (1) | DK0390137T3 (es) |
MX (1) | MX166598B (es) |
NO (1) | NO301546B1 (es) |
Families Citing this family (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5028344A (en) * | 1989-02-16 | 1991-07-02 | Mobil Oil Corporation | Stabilizing agent for profile control gels and polymeric gels of improved stability |
US5016713A (en) * | 1990-03-14 | 1991-05-21 | Mobil Oil Corporation | Method of preheating a heavy oil zone through existing bottom water and then diverting steam into the oil zone |
US5179136A (en) * | 1990-09-10 | 1993-01-12 | Phillips Petroleum Company | Gelatin of acrylamide-containing polymers with aminobenzoic acid compounds and water dispersible aldehydes |
IT1245382B (it) * | 1991-03-28 | 1994-09-20 | Eniricerche Spa | Composizione acquosa gelificabile utile per modificare la permeabilita' in un giacimento petrolifero |
DK0544377T3 (da) * | 1991-11-26 | 1996-08-19 | Agip Spa | Vandige gelerbare sammensætninger indeholdende et antisyneresemiddel |
CA2091489C (en) * | 1992-04-13 | 2001-05-08 | Ahmad Moradi-Araghi | Gelation of water soluble polymers |
US5447986A (en) * | 1992-06-29 | 1995-09-05 | Phillips Petroleum Company | Acceleration of gelation of water soluble polymers |
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 |
GB2325478A (en) * | 1997-05-24 | 1998-11-25 | Sofitech Nv | Emulsion for well and formation treatment |
US5889404A (en) * | 1997-08-29 | 1999-03-30 | Hewlett-Packard Company | Discharge ionization detector having efficient transfer of metastables for ionization of sample molecules |
US6607035B1 (en) * | 1998-12-04 | 2003-08-19 | Halliburton Energy Services, Inc. | Preventing flow through subterranean zones |
US6176315B1 (en) * | 1998-12-04 | 2001-01-23 | Halliburton Energy Services, Inc. | Preventing flow through subterranean zones |
US6025304A (en) * | 1998-12-15 | 2000-02-15 | Marathon Oil Company | Permeability or fluid mobility reduction treatment for a hydrocarbon-bearing formation using a dual molecular weight polymer gel |
US6156819A (en) * | 1998-12-21 | 2000-12-05 | Atlantic Richfield Company | Use of low- and high-molecular-weight polymers in well treatments |
US7216711B2 (en) | 2002-01-08 | 2007-05-15 | Halliburton Eenrgy Services, Inc. | Methods of coating resin and blending resin-coated proppant |
US7343973B2 (en) | 2002-01-08 | 2008-03-18 | Halliburton Energy Services, Inc. | Methods of stabilizing surfaces of subterranean formations |
US6691780B2 (en) | 2002-04-18 | 2004-02-17 | Halliburton Energy Services, Inc. | Tracking of particulate flowback in subterranean wells |
US20040211561A1 (en) | 2003-03-06 | 2004-10-28 | Nguyen Philip D. | Methods and compositions for consolidating proppant in fractures |
US7114570B2 (en) | 2003-04-07 | 2006-10-03 | Halliburton Energy Services, Inc. | Methods and compositions for stabilizing unconsolidated subterranean formations |
US6978836B2 (en) | 2003-05-23 | 2005-12-27 | Halliburton Energy Services, Inc. | Methods for controlling water and particulate production |
US7413010B2 (en) | 2003-06-23 | 2008-08-19 | Halliburton Energy Services, Inc. | Remediation of subterranean formations using vibrational waves and consolidating agents |
US7114560B2 (en) | 2003-06-23 | 2006-10-03 | Halliburton Energy Services, Inc. | Methods for enhancing treatment fluid placement in a subterranean formation |
US7013976B2 (en) | 2003-06-25 | 2006-03-21 | Halliburton Energy Services, Inc. | Compositions and methods for consolidating unconsolidated subterranean formations |
US7021379B2 (en) | 2003-07-07 | 2006-04-04 | Halliburton Energy Services, Inc. | Methods and compositions for enhancing consolidation strength of proppant in subterranean fractures |
US7066258B2 (en) | 2003-07-08 | 2006-06-27 | Halliburton Energy Services, Inc. | Reduced-density proppants and methods of using reduced-density proppants to enhance their transport in well bores and fractures |
US7017665B2 (en) | 2003-08-26 | 2006-03-28 | Halliburton Energy Services, Inc. | Strengthening near well bore subterranean formations |
US7156194B2 (en) | 2003-08-26 | 2007-01-02 | Halliburton Energy Services, Inc. | Methods of drilling and consolidating subterranean formation particulate |
US7059406B2 (en) | 2003-08-26 | 2006-06-13 | Halliburton Energy Services, Inc. | Production-enhancing completion methods |
US7032667B2 (en) | 2003-09-10 | 2006-04-25 | Halliburtonn Energy Services, Inc. | Methods for enhancing the consolidation strength of resin coated particulates |
US7063150B2 (en) | 2003-11-25 | 2006-06-20 | Halliburton Energy Services, Inc. | Methods for preparing slurries of coated particulates |
US7131493B2 (en) | 2004-01-16 | 2006-11-07 | Halliburton Energy Services, Inc. | Methods of using sealants in multilateral junctions |
US20050173116A1 (en) | 2004-02-10 | 2005-08-11 | Nguyen Philip D. | Resin compositions and methods of using resin compositions to control proppant flow-back |
US7211547B2 (en) | 2004-03-03 | 2007-05-01 | Halliburton Energy Services, Inc. | Resin compositions and methods of using such resin compositions in subterranean applications |
US7063151B2 (en) | 2004-03-05 | 2006-06-20 | Halliburton Energy Services, Inc. | Methods of preparing and using coated particulates |
US7299875B2 (en) | 2004-06-08 | 2007-11-27 | Halliburton Energy Services, Inc. | Methods for controlling particulate migration |
US7073581B2 (en) | 2004-06-15 | 2006-07-11 | Halliburton Energy Services, Inc. | Electroconductive proppant compositions and related methods |
US7091160B2 (en) * | 2004-06-24 | 2006-08-15 | Halliburton Energy Services, Inc. | Methods and compositions for reducing subterranean formation permeabilities |
US7281580B2 (en) | 2004-09-09 | 2007-10-16 | Halliburton Energy Services, Inc. | High porosity fractures and methods of creating high porosity fractures |
US7757768B2 (en) | 2004-10-08 | 2010-07-20 | Halliburton Energy Services, Inc. | Method and composition for enhancing coverage and displacement of treatment fluids into subterranean formations |
ES2530521T3 (es) * | 2004-10-15 | 2015-03-03 | Foodcap Int Ltd | Procedimientos y aparato para la regulación térmica de productos perecederos |
US7281581B2 (en) | 2004-12-01 | 2007-10-16 | Halliburton Energy Services, Inc. | Methods of hydraulic fracturing and of propping fractures in subterranean formations |
US7883740B2 (en) | 2004-12-12 | 2011-02-08 | Halliburton Energy Services, Inc. | Low-quality particulates and methods of making and using improved low-quality particulates |
US7334636B2 (en) | 2005-02-08 | 2008-02-26 | Halliburton Energy Services, Inc. | Methods of creating high-porosity propped fractures using reticulated foam |
US7673686B2 (en) | 2005-03-29 | 2010-03-09 | Halliburton Energy Services, Inc. | Method of stabilizing unconsolidated formation for sand control |
US7318474B2 (en) | 2005-07-11 | 2008-01-15 | Halliburton Energy Services, Inc. | Methods and compositions for controlling formation fines and reducing proppant flow-back |
US7819192B2 (en) | 2006-02-10 | 2010-10-26 | Halliburton Energy Services, Inc. | Consolidating agent emulsions and associated methods |
US8613320B2 (en) | 2006-02-10 | 2013-12-24 | Halliburton Energy Services, Inc. | Compositions and applications of resins in treating subterranean formations |
US7926591B2 (en) | 2006-02-10 | 2011-04-19 | Halliburton Energy Services, Inc. | Aqueous-based emulsified consolidating agents suitable for use in drill-in applications |
US7665517B2 (en) | 2006-02-15 | 2010-02-23 | Halliburton Energy Services, Inc. | Methods of cleaning sand control screens and gravel packs |
US7407010B2 (en) | 2006-03-16 | 2008-08-05 | Halliburton Energy Services, Inc. | Methods of coating particulates |
DE102006029265A1 (de) * | 2006-06-26 | 2008-01-03 | Basf Construction Polymers Gmbh | Verwendung von Dicarbonyl-Verbindungen zur Erhöhung der Temperaturstabilität von Biopolymeren bei der Erdöl- und Erdgasexploration |
US7934557B2 (en) | 2007-02-15 | 2011-05-03 | Halliburton Energy Services, Inc. | Methods of completing wells for controlling water and particulate production |
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 |
US7762329B1 (en) | 2009-01-27 | 2010-07-27 | Halliburton Energy Services, Inc. | Methods for servicing well bores with hardenable resin compositions |
US9790419B2 (en) * | 2010-06-23 | 2017-10-17 | Schlumberger Technology Corporation | High temperature polymer gels for well treatments and their use |
CN102499241A (zh) * | 2011-09-30 | 2012-06-20 | 云南省烟草农业科学研究院 | 一种保水剂及其制备方法 |
MX2021004905A (es) * | 2018-10-31 | 2021-06-15 | Kemira Oyj | Metodos y composiciones para una recuperacion mejorada de petroleo. |
CN113073960B (zh) * | 2021-04-16 | 2022-12-09 | 西南石油大学 | 一种在非储层空气钻井中防止井下燃爆的方法 |
CN115703959B (zh) * | 2021-08-04 | 2024-01-30 | 中国石油化工股份有限公司 | 一种制备复合凝胶的方法 |
CN113372489B (zh) * | 2021-08-12 | 2021-10-29 | 山东诺尔生物科技有限公司 | 一种温敏延迟型堵水剂及其制备方法与应用 |
CN113897189B (zh) * | 2021-11-18 | 2022-11-08 | 中国石油大学(华东) | 一种适用于高温高盐缝洞型油藏调剖的冻胶体系及应用 |
CN116355600B (zh) * | 2023-02-15 | 2024-04-26 | 西安博宏石油科技有限公司 | 一种温度开关型暂堵剂及其制备方法和应用 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3574820A (en) * | 1968-01-08 | 1971-04-13 | Upjohn Co | Medicinal dosage forms of unpolymerized thiolated gelatin with a cross-linking accelerating agent providing slowly released medication from a swollen matrix |
US3669188A (en) * | 1970-07-29 | 1972-06-13 | Shell Oil Co | Heat-guided hydroxide plugging |
US4167500A (en) * | 1976-06-14 | 1979-09-11 | Lord Corporation | Aqueous compositions comprising phenolic resin and crosslinking agent |
US4098337A (en) * | 1977-07-01 | 1978-07-04 | Marathon Oil Company | Method of improving injectivity profiles and/or vertical conformance in heterogeneous formations |
US4210206A (en) * | 1977-10-07 | 1980-07-01 | Halliburton Company | High temperature well treating with crosslinked gelled solutions |
US4366194A (en) * | 1978-06-02 | 1982-12-28 | The Dow Chemical Co. | Rendering porous structures impermeable by treatment with pH insensitive gelable compositions of amide polymers and composition |
US4246124A (en) * | 1978-07-17 | 1981-01-20 | Phillips Petroleum Company | Gelled compositions and well treating |
US4389320A (en) * | 1979-12-04 | 1983-06-21 | Phillips Petroleum Company | Foamable compositions and formations treatment |
US4440228A (en) * | 1980-08-06 | 1984-04-03 | Phillips Petroleum Company | Gelled compositions and well treating |
JPS5814942A (ja) * | 1981-07-17 | 1983-01-28 | Jujo Paper Co Ltd | 微小カプセルの製造方法 |
US4601968A (en) * | 1982-10-04 | 1986-07-22 | Canon Kabushiki Kaisha | Process for producing toner for development of electrostatic images by stepwise suspension polymerizations |
US4461352A (en) * | 1983-02-28 | 1984-07-24 | Marathon Oil Company | Process for selectively plugging a subterranean formation with a polymer gel |
US4612008A (en) * | 1983-05-11 | 1986-09-16 | Alza Corporation | Osmotic device with dual thermodynamic activity |
US4534412A (en) * | 1983-12-09 | 1985-08-13 | Union Oil Company Of California | Continuous permeability reduction in subterranean reservoirs |
US4785028A (en) * | 1986-12-22 | 1988-11-15 | Mobil Oil Corporation | Gels for profile control in enhanced oil recovery under harsh conditions |
US4799548A (en) * | 1987-01-23 | 1989-01-24 | Phillips Petroleum Company | Gelable compositions and use thereof in steam treatment of wells |
US4822842A (en) * | 1987-02-03 | 1989-04-18 | Phillips Petroleum Company | Delaying the gelation of water soluble polymers |
US4804043A (en) * | 1987-07-01 | 1989-02-14 | Mobil Oil Corp. | Process for selective placement of polymer gels for profile control in thermal oil recovery |
-
1989
- 1989-03-29 US US07/329,862 patent/US4934456A/en not_active Expired - Lifetime
-
1990
- 1990-03-08 CA CA002011790A patent/CA2011790A1/en not_active Abandoned
- 1990-03-20 MX MX019966A patent/MX166598B/es unknown
- 1990-03-26 AR AR90316452A patent/AR248419A1/es active
- 1990-03-28 CN CN90101715A patent/CN1032866C/zh not_active Expired - Fee Related
- 1990-03-28 BR BR909001417A patent/BR9001417A/pt not_active Application Discontinuation
- 1990-03-28 NO NO901427A patent/NO301546B1/no unknown
- 1990-03-29 DK DK90106011.1T patent/DK0390137T3/da active
- 1990-03-29 EP EP90106011A patent/EP0390137B1/en not_active Expired - Lifetime
- 1990-03-29 DE DE9090106011T patent/DE69000115D1/de not_active Expired - Fee Related
- 1990-04-30 US US07/516,197 patent/US4994194A/en not_active Expired - Lifetime
-
1995
- 1995-12-18 CN CN95120854A patent/CN1133317A/zh active Pending
- 1995-12-18 CN CN95120853A patent/CN1133336A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1133336A (zh) | 1996-10-16 |
US4994194A (en) | 1991-02-19 |
NO301546B1 (no) | 1997-11-10 |
DK0390137T3 (da) | 1992-08-17 |
US4934456A (en) | 1990-06-19 |
CN1133317A (zh) | 1996-10-16 |
BR9001417A (pt) | 1991-04-09 |
NO901427L (no) | 1990-10-01 |
EP0390137B1 (en) | 1992-05-27 |
DE69000115D1 (de) | 1992-07-02 |
CN1046177A (zh) | 1990-10-17 |
MX166598B (es) | 1993-01-20 |
CA2011790A1 (en) | 1990-09-29 |
NO901427D0 (no) | 1990-03-28 |
EP0390137A1 (en) | 1990-10-03 |
CN1032866C (zh) | 1996-09-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AR248419A1 (es) | Composicion gelificable retardada y metodo para alterar la permeabilidad de una formacion subterranea, y entrelazador retardado de polimero que contiene acrilamida para llevar a cabo dicho metodo. | |
DK0542397T3 (da) | Forbedrede phenolharpiksovertrukne tilpropningsmidler med reduceret hydraulisk væskeinteraktion | |
MX155271A (es) | Procedimiento mejorado para la reduccion del flujo de agua de una formacion subterranea productora de gas | |
NO303650B1 (no) | FremgangsmÕte ved hydraulisk frakturering av en underjordisk formasjon, samt en fraktureringsvµske for anvendelse ved utf°relse av fremgangsmÕten | |
MX172677B (es) | Metodo para tratar formaciones subterraneas | |
NO158473C (no) | Fremgangsmaate til oekning av utbytte av hydrokarboner fra en underjordisk formasjon. | |
BR0207332A (pt) | Composição de fluido de fraturamento hidráulico, e, processo para gerar fissuras em uma formação subterrânea | |
PE20030959A1 (es) | Fibras de almidon no termoplasticas y composicion de almidon para fabricar las mismas | |
AR003318A1 (es) | Fluido de mantenimiento y perforacion de pozos a base de salmuera. | |
IS1715B (is) | Efni í fljótandi formi til afísingar og aðferð til að bræða snjó og ís á umferðarsvæðum með þessu efni | |
IT8223898A0 (it) | Fratturazione di formazioni sotterranee. | |
NO176067C (no) | Gelbart materiale, profil-modifiseringsmiddel som omfatter slikt materiale, samt anvendelse av et to-komponent-materiale i en underjordisk oljebærende formasjon | |
MX9302016A (es) | Proceso y composicion para alterar la permeabilidad de formaciones subterraneas. | |
MX9206815A (es) | Composicion acuosa gelificable que contiene un agente anti-sinergico. | |
ES2033568B1 (es) | Un metodo para revestir un producto de confiteria congelado. | |
ES2032955T3 (es) | Sal sodica anhidra cristalina de 5-cloro-3-(2-tenoil)-2-oxindol-1-carboxamida. | |
CA2182612A1 (en) | Surfactant additive for oilfield acidizing | |
EP0291182A3 (en) | Aminoalkylated polyacrylamide aldehyde gels, their preparation and use in oil recovery | |
DK0992562T3 (da) | Afisningsmiddel indeholdende natriumformiat og natriumchlorid samt dets anvendelse | |
AR246780A1 (es) | Proceso para alterar la permeabilidad de formaciones subterraneas que se comunican con las perforaciones de pozos. | |
ID27568A (id) | Metoda-metoda penghambatan korosi dengan menggunakan isomer-isomer dari kloro-metilbenzotriazol | |
NL7800410A (nl) | Luminescerend met tweewaardig europium geaktiveerd bariumboraatfosfaat. | |
AU4381799A (en) | Apparatus and method for removing and preventing deposits | |
ES2035602T3 (es) | Un procedimiento de realizacion de un corte de estanqueidad en tierra que ha de estar en contacto con un agua acida. | |
ES2062247T3 (es) | Procedimiento para la obtencion de aminas. |