WO2009112808A3 - Improved aqueous-based insulating fluids and related methods - Google Patents

Improved aqueous-based insulating fluids and related methods Download PDF

Info

Publication number
WO2009112808A3
WO2009112808A3 PCT/GB2009/000609 GB2009000609W WO2009112808A3 WO 2009112808 A3 WO2009112808 A3 WO 2009112808A3 GB 2009000609 W GB2009000609 W GB 2009000609W WO 2009112808 A3 WO2009112808 A3 WO 2009112808A3
Authority
WO
WIPO (PCT)
Prior art keywords
based insulating
aqueous
related methods
improved aqueous
insulating fluids
Prior art date
Application number
PCT/GB2009/000609
Other languages
French (fr)
Other versions
WO2009112808A2 (en
Inventor
Ryan G. Ezell
Douglas J. Harrison
Original Assignee
Halliburton Energy Services, Inc.
Turner, Craig, Robert
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Halliburton Energy Services, Inc., Turner, Craig, Robert filed Critical Halliburton Energy Services, Inc.
Priority to BRPI0909062-2A priority Critical patent/BRPI0909062A2/en
Priority to AU2009223980A priority patent/AU2009223980A1/en
Priority to RU2010141547/03A priority patent/RU2475624C2/en
Priority to CA2716450A priority patent/CA2716450C/en
Priority to JP2010550250A priority patent/JP2011513677A/en
Priority to EP09721009A priority patent/EP2271735A2/en
Priority to MX2010009988A priority patent/MX2010009988A/en
Priority to CN2009801082932A priority patent/CN102037110A/en
Publication of WO2009112808A2 publication Critical patent/WO2009112808A2/en
Publication of WO2009112808A3 publication Critical patent/WO2009112808A3/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/143—Pre-insulated pipes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/003—Insulating arrangements
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • C10M2207/0225—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
    • C10M2207/0406—Ethers; Acetals; Ortho-esters; Ortho-carbonates used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C10M2209/1045—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
    • C10M2209/1055—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
    • C10M2209/1085—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified used as base material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Thermal Insulation (AREA)
  • Laminated Bodies (AREA)
  • Lubricants (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Organic Insulating Materials (AREA)

Abstract

Provided herein are methods and compositions that include a method comprising providing an annulus between a first tubing and a second tubing; providing an aqueous-based insulating fluid that comprises an aqueous base fluid, a water-miscible organic liquid, and a layered silicate; and placing the aqueous-based insulating fluid in the annulus. A composition provided includes an aqueous-based insulating fluid comprising an aqueous base fluid, a water-miscible organic liquid, and a layered silicate.
PCT/GB2009/000609 2008-03-11 2009-03-05 Improved aqueous-based insulating fluids and related methods WO2009112808A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BRPI0909062-2A BRPI0909062A2 (en) 2008-03-11 2009-03-05 Method, and, water-based insulation fluid
AU2009223980A AU2009223980A1 (en) 2008-03-11 2009-03-05 Improved aqueous-based insulating fluids and related methods
RU2010141547/03A RU2475624C2 (en) 2008-03-11 2009-03-05 Improved water-based insulating liquids and relating methods
CA2716450A CA2716450C (en) 2008-03-11 2009-03-05 Aqueous-based insulating fluids and related methods
JP2010550250A JP2011513677A (en) 2008-03-11 2009-03-05 Improved aqueous-based insulating fluid and related methods
EP09721009A EP2271735A2 (en) 2008-03-11 2009-03-05 Improved aqueous-based insulating fluids and related methods
MX2010009988A MX2010009988A (en) 2008-03-11 2009-03-05 Improved aqueous-based insulating fluids and related methods.
CN2009801082932A CN102037110A (en) 2008-03-11 2009-03-05 Improved aqueous-based insulating fluids and related methods

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/046,086 US20080224087A1 (en) 2007-03-14 2008-03-11 Aqueous-Based Insulating Fluids and Related Methods
US12/046,086 2008-03-11

Publications (2)

Publication Number Publication Date
WO2009112808A2 WO2009112808A2 (en) 2009-09-17
WO2009112808A3 true WO2009112808A3 (en) 2009-11-26

Family

ID=40999887

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2009/000609 WO2009112808A2 (en) 2008-03-11 2009-03-05 Improved aqueous-based insulating fluids and related methods

Country Status (10)

Country Link
US (1) US20080224087A1 (en)
EP (1) EP2271735A2 (en)
JP (1) JP2011513677A (en)
CN (1) CN102037110A (en)
AU (1) AU2009223980A1 (en)
BR (1) BRPI0909062A2 (en)
CA (1) CA2716450C (en)
MX (1) MX2010009988A (en)
RU (1) RU2475624C2 (en)
WO (1) WO2009112808A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
TW201030132A (en) * 2008-12-17 2010-08-16 Const Res & Tech Gmbh Sealing paste
US8322423B2 (en) 2010-06-14 2012-12-04 Halliburton Energy Services, Inc. Oil-based grouting composition with an insulating material
US9062240B2 (en) 2010-06-14 2015-06-23 Halliburton Energy Services, Inc. Water-based grouting composition with an insulating material
US8895476B2 (en) 2011-03-08 2014-11-25 Tetra Technologies, Inc. Thermal insulating fluids
EP2978819A4 (en) * 2013-03-29 2016-11-30 Halliburton Energy Services Inc Aqueous-based insulating fluids and related methods
GB2539827B (en) 2014-05-15 2021-08-25 Halliburton Energy Services Inc Packing fluds and methods
WO2017176952A1 (en) 2016-04-08 2017-10-12 Schlumberger Technology Corporation Polymer gel for water control applications
CN106967396A (en) * 2017-02-20 2017-07-21 中国海洋石油总公司 A kind of low thermal conductivity heat-insulating test fluid and its production and use
US11473000B2 (en) 2018-12-07 2022-10-18 Halliburton Energy Services, Inc. Insulating fluids containing porous media
FR3131616A1 (en) * 2022-01-05 2023-07-07 Jean-Michel SCHULZ INSULATED AND FLEXIBLE PIPING DEVICE FOR THE TRANSPORT OF CRYOGENIC FLUIDS, REFRIGERANTS AND/OR HEAT TRANSFERS.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613792A (en) * 1969-12-11 1971-10-19 British Petroleum Co Oil well and method for production of oil through permafrost zone
US3650327A (en) * 1970-07-14 1972-03-21 Shell Oil Co Thermal insulation of wells
GB2367315A (en) * 2000-09-29 2002-04-03 Osca Inc Well treatment fluid
US20080224087A1 (en) * 2007-03-14 2008-09-18 Ezell Ryan G Aqueous-Based Insulating Fluids and Related Methods

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599342A (en) * 1950-03-01 1952-06-03 Standard Oil Dev Co Increasing drilling fluid viscosity
US3360046A (en) * 1965-02-08 1967-12-26 Halliburton Co Cementing compositions for maximum thermal insulation
US3581825A (en) * 1969-12-09 1971-06-01 Mobil Oil Corp Permafrost cementing process
US3716488A (en) * 1970-09-04 1973-02-13 Stevens & Co Inc J P Textile fabric cleaning compositions
US4444668A (en) * 1981-12-31 1984-04-24 Halliburton Company Well completion fluid compositions
US5049237A (en) * 1985-03-25 1991-09-17 Armstrong World Industries, Inc. Layered silicates and water-resistant articles made therefrom
US4614235A (en) * 1985-04-15 1986-09-30 Exxon Chemical Patents Inc. Use of mono and polyalkylene glycol ethers as agents for the release of differentially stuck drill pipe
US4613631A (en) * 1985-05-24 1986-09-23 Mobil Oil Corporation Crosslinked polymers for enhanced oil recovery
US4715971A (en) * 1985-12-09 1987-12-29 Engineering & Colloid, Ltd. Well drilling and completion composition
DE3631764A1 (en) * 1986-09-18 1988-03-24 Henkel Kgaa USE OF SWELLABLE, SYNTHETIC LAYERED SILICATES IN AQUEOUS DRILL RING AND HOLE TREATMENT AGENTS
US4934456A (en) * 1989-03-29 1990-06-19 Phillips Petroleum Company Method for altering high temperature subterranean formation permeability
US5100931A (en) * 1990-03-12 1992-03-31 Phillips Petroleum Company Gelation of acrylamide-containing polymers with hydroxyphenylalkanols
US5043364A (en) * 1990-03-15 1991-08-27 Phillips Petroleum Company Gelation of acrylamide-containing polymers with furfuryl alcohol and water dispersible aldehydes
DE4015857A1 (en) * 1990-05-17 1991-11-21 Henkel Kgaa SIMPLIFIED METHOD FOR THE PRODUCTION OF SOURCED LAYERS (II)
US5179136A (en) * 1990-09-10 1993-01-12 Phillips Petroleum Company Gelatin of acrylamide-containing polymers with aminobenzoic acid compounds and water dispersible aldehydes
CA2091489C (en) * 1992-04-13 2001-05-08 Ahmad Moradi-Araghi Gelation of water soluble polymers
US5246073A (en) * 1992-08-31 1993-09-21 Union Oil Company Of California High temperature stable gels
US5573225A (en) * 1994-05-06 1996-11-12 Dowell, A Division Of Schlumberger Technology Corporation Means for placing cable within coiled tubing
US5929002A (en) * 1994-07-28 1999-07-27 Dowell, A Division Of Schlumberger Technology Corporation Fluid loss control
WO1998041592A1 (en) * 1997-03-17 1998-09-24 Monsanto Company Reticulated bacterial cellulose as a rheological modifier for polyol fluid compositions
MX200986B (en) * 1997-07-29 2001-03-07 Rohm & Haas Solubilized hydrophobically-modified alkali-soluble emulsion polymers
RU2134344C1 (en) * 1997-11-03 1999-08-10 Научно-производственное объединение "Нефтегазтехнология" Method of treating oil bed
JPH11281937A (en) * 1998-03-27 1999-10-15 Menicon Co Ltd Agent for contact lens
US20030130133A1 (en) * 1999-01-07 2003-07-10 Vollmer Daniel Patrick Well treatment fluid
WO2001088059A1 (en) * 2000-05-15 2001-11-22 Imperial Chemical Industries Plc Drilling fluids and method of drilling
FR2816031B1 (en) * 2000-10-27 2003-06-06 Atofina POLYURETHANE ELASTOMERIC GEL BASE INSULATING COMPOSITION AND USE THEREOF
US7119050B2 (en) * 2001-12-21 2006-10-10 Schlumberger Technology Corporation Fluid system having controllable reversible viscosity
RU2208132C1 (en) * 2002-05-28 2003-07-10 ООО "Баштрансгаз" Neutral densifying fluid for wells
US6908886B2 (en) * 2003-01-09 2005-06-21 M-I L.L.C. Annular fluids and method of emplacing the same
JP4355519B2 (en) * 2003-05-19 2009-11-04 旭ファイバーグラス株式会社 Method for producing urethane resin foam
US20050113259A1 (en) * 2003-10-02 2005-05-26 David Ballard Thermal stability agent for maintaining viscosity and fluid loss properties in drilling fluids
WO2006014459A2 (en) * 2004-07-02 2006-02-09 Smartswing, Inc. Method and system for golf swing analysis and training for putters
US8235116B1 (en) * 2004-09-09 2012-08-07 Burts Jr Boyce D Well remediation using surfaced mixed epoxy
US20060076134A1 (en) * 2004-10-12 2006-04-13 Maersk Olie Og Gas A/S Well stimulation
US7219732B2 (en) * 2004-12-02 2007-05-22 Halliburton Energy Services, Inc. Methods of sequentially injecting different sealant compositions into a wellbore to improve zonal isolation
US20070042913A1 (en) * 2005-08-17 2007-02-22 Hutchins Richard D Wellbore treatment compositions containing foam extenders and methods of use thereof
US7713917B2 (en) * 2006-05-08 2010-05-11 Bj Services Company Thermal insulation compositions containing organic solvent and gelling agent and methods of using the same
US20080223596A1 (en) * 2007-03-14 2008-09-18 Ryan Ezell Aqueous-Based Insulating Fluids and Related Methods

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613792A (en) * 1969-12-11 1971-10-19 British Petroleum Co Oil well and method for production of oil through permafrost zone
US3650327A (en) * 1970-07-14 1972-03-21 Shell Oil Co Thermal insulation of wells
GB2367315A (en) * 2000-09-29 2002-04-03 Osca Inc Well treatment fluid
US20080224087A1 (en) * 2007-03-14 2008-09-18 Ezell Ryan G Aqueous-Based Insulating Fluids and Related Methods

Also Published As

Publication number Publication date
EP2271735A2 (en) 2011-01-12
CA2716450A1 (en) 2009-09-17
RU2475624C2 (en) 2013-02-20
CN102037110A (en) 2011-04-27
BRPI0909062A2 (en) 2015-08-25
JP2011513677A (en) 2011-04-28
MX2010009988A (en) 2010-09-30
WO2009112808A2 (en) 2009-09-17
US20080224087A1 (en) 2008-09-18
CA2716450C (en) 2013-02-19
AU2009223980A1 (en) 2009-09-17
RU2010141547A (en) 2012-04-20

Similar Documents

Publication Publication Date Title
WO2009112808A3 (en) Improved aqueous-based insulating fluids and related methods
WO2008110798A3 (en) Improved aqueous-based insulating fluids and related methods
WO2006117517A3 (en) Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
EP2074276A4 (en) Wellbore tool for filling, circulating and backflowing fluids
MX351334B (en) Wellbore servicing compositions and methods of making and using same.
EG24970A (en) Fluid application device and method.
GB2459998B (en) Wellbore communication, downhole module and method for communicating
BRPI0916136A2 (en) method for sealing an underground well, method for sealing an annular space between the first and second casing column, well system, method for sealing an annular space formed between the first and second surfaces in an underground well
WO2010061162A3 (en) Cement compositions and methods utilizing nano-hydraulic cement
WO2010088483A3 (en) A chemical method for soil improvement
EP1909137A4 (en) Display device, its manufacturing method, and display medium
TW200739980A (en) Method for preparing doped organic semiconductor materials and formulation utilized therein
WO2010082030A3 (en) Methods of designing treatment fluids based on solid-fluid interactions
WO2009133438A3 (en) Swellable compositions for borehole applications
WO2009137399A3 (en) High density breaker fluids and methods of use thereof
WO2009143376A3 (en) Ionic liquids and methods for using the same
EP2183674A4 (en) Serial transceiver and communication method used by the serial transceiver
GB0901869D0 (en) Micro passage chip, and fluid transferring method
WO2008134355A3 (en) High pressure intraosseous bag and method
EP2214272A4 (en) Method for fabricating semiconductor device, semiconductor device, communication apparatus, and semiconductor laser
EP2178132A4 (en) Organic electroluminescent device, method for manufacturing the same, and coating liquid
EP2133909A4 (en) Semiconductor device, and its manufacturing method
EP2420711A4 (en) Valve block, valve block unit, and method for inspecting the valve block unit
TWI370485B (en) Semiconductor device fabrication method, semiconductor device, and semiconductor layer formation method
EP2241398A4 (en) Cold jointing apparatus, and cold jointing method

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980108293.2

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2009223980

Country of ref document: AU

WWE Wipo information: entry into national phase

Ref document number: 2716450

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 587676

Country of ref document: NZ

Ref document number: 3204/KOLNP/2010

Country of ref document: IN

ENP Entry into the national phase

Ref document number: 2009223980

Country of ref document: AU

Date of ref document: 20090305

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2010550250

Country of ref document: JP

Ref document number: MX/A/2010/009988

Country of ref document: MX

WWE Wipo information: entry into national phase

Ref document number: P955/2010

Country of ref document: AE

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: PI 2010004111

Country of ref document: MY

WWE Wipo information: entry into national phase

Ref document number: 2009721009

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2010141547

Country of ref document: RU

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09721009

Country of ref document: EP

Kind code of ref document: A2

ENP Entry into the national phase

Ref document number: PI0909062

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20100909