DK2752439T3 - Dispergerede friktionsreducerende ikke-polyalphaolefinpolymerer - Google Patents

Dispergerede friktionsreducerende ikke-polyalphaolefinpolymerer Download PDF

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Publication number
DK2752439T3
DK2752439T3 DK14163613.4T DK14163613T DK2752439T3 DK 2752439 T3 DK2752439 T3 DK 2752439T3 DK 14163613 T DK14163613 T DK 14163613T DK 2752439 T3 DK2752439 T3 DK 2752439T3
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Denmark
Prior art keywords
substituted
radical
unsubstituted
polymer
alkyl radical
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DK14163613.4T
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Ray L Johnston
William F Harris
Kenneth W Smith
Stuart N Milligan
Timothy L Burden
Wayne R Dreher
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Lubrizol Specialty Products Inc
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • 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

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Lubricants (AREA)

Claims (12)

  1. DISPERGEREDE FRIKTIONSREDUCERENDE IKKE-POLYALPHAOLEFINPOLYMERER PATENTKRAV
    1. Friktionsreducerende middel omfattende ikke-polyalphaolephinpolymerpartikler, der dispergeres i et bærerfluid, omfattende en væske, der er ikke-opløselig for polymerpartikleme, hvor polymeren omfatter resterne af én eller flere monomerer, der er udvalgt fra gruppen bestående af: (A)
    hvor Rj er H eller et Ci-C10-alkylradikal; og R2 er H, et Q-Qo-alkylradikal, et substitueret eller ikke-substitueret C5-C3o-cycloalkylradikal, et substitueret eller ikke-substitueret C6-C2o-aiylradikal, et aryl-substitueret CrCi0-alkylradikal, et (CH2CH20)x-RA- eller (CH2CH(CH3)0)x,-RA-radikal, hvor x er i intervallet fra 1 til 50 og RA er H, et Ci-C30-alkylradikal, eller et C6-C30-alkylarylradikal; (B)
    hvor aren er en phenyl, naphthyl, anthracenyl eller phenanthrenyl, R3 er CH=CH2 eller CH3-C=CH2, og R4 er H, et C]-C30-alkylradikal, et substitueret eller ikke-substitueret C5-C30-cycloalkylradikal, Cl, S03, ORb eller COORc, hvor RB er H, et Ci-C30-alkylradikal, et substitueret eller ikke-substitueret C5-C3o-cycloalkylradikal, et substitueret eller ikke-substitueret C6-C20-arylradikal, eller et aryl-substitueret C3-Cio-alkylradikal, og hvor Rc er H, et Ci-C30-alkylradikal, et substitueret eller ikke-substitueret C5-C30-cycloalkylradikal, et substitueret eller ikke-substitueret C6-C2o-arylradikal, eller et aryl-substitueret C1-C10-alkylradikal; (C)
    hvor R5 er H, et Ci-C3o-alkylradikal eller et substitueret eller ikke-substitueret C6-C2o-arylradikal; (D)
    hvor R6 er H, et Ci-C3o-alkylradikal eller et substitueret eller ikke-substitueret C6-C2o-arylradikal; (E)
    hvor R7 er H eller et C|-C|S-alkylradikal, og Rs er H, et C|-C|S-alkylradikal eller Cl; (F)
    hvor R9 og Rio uafhængigt er H, et Ci-C30-alkylradikal, et substitueret eller ikke-substitueret C6-C2o-arylradikal, et substitueret eller ikke-substitueret C5-C30-cycloalkylradikal eller heterocykliske radikaler; (G)
    hvor Rn og R12 uafhængigt er H, et Ci-C30-alkylradikal, et substitueret eller ikke-substitueret C6-C2o-arylradikal, et substitueret eller ikke-substitueret C5-C3o-cycloalkylradikal eller heterocykliske radikaler; (H)
    hvor RJ3 og R14 uafhængigt er H, et Ci-C30-alkylradikal, et substitueret eller ikke-substitueret C6-C20 arylradikal, et substitueret eller ikke-substitueret C5-C3o-cycloafkylradikal eller heterocykliske radikaler; (I)
    hvor R15 er H, et Ci-C30-alkylradikal, et substitueret eller ikke-substitueret C6-C2o-arylradikal, et substitueret eller ikke-substitueret C5-C30-cycloalkylradikal eller heterocykliske radikaler; (J)
    (K)
    hvor R16 er H, et Ci-C30-alkylradikal eller et C6-C2o-arylradikal; (L) (Μ)
    (Ν) (Ο) (Ρ) hvor R17 og Rls uafhængigt er H, et Cfi-Cfio-alkylradikal, et substitueret eller ikke-substitueret C6-C2o-arylradikal, et substitueret eller ikke-substitueret Cs-Cfio-cycloalkylradikal, eller heterocykliske radikaler; og (Q)
    hvor R19 og R2o uafhængigt er H, et Ci-C30-alkylradikal, et substitueret eller ikke-substitueret C6-C2o-arylradikal, et substitueret eller ikke-substitueret C5-C3o-cycloalkylradikal eller heterocykliske radikaler; kennetegnet ved, at partiklerne har en gennemsnitlig partikelstørrelse i området fra 5 til 800 pm, en Dio partikelstørrelse som defineret heri på 0,5-15pm, en D50 partikelstørrelse som defineret heri på 10-90 μτη og en D90 pariikelstørrelse som defineret heri på 80-170 μια; og at polymeren har en vægtmiddelmolekylvægi på mindst 1 x 106 g/rnol.
  2. 2. Friktionsreducerende middel ifølge krav 1, hvor polymerpariiklerne har en gennemsnitlig partikelstørrelse i intervallet fra 10 til 600 pm, fortrinsvis 20 til 400 μ,ηι.
  3. 3. Friktionsrcduccrcndc middel ifølge krav 1 eller krav 2, hvor polymeren har cn vægtmiddelmolekylvægt på mindst 2 x Urt g/moi, fortrinsvis mindst 5 x Urt g/moi.
  4. 4. Friktionsreducerende middel ifølge krav 1, hvor polymeren omfatter gentagende enheder af resterne af C4-C2o-alkyl-, substitueret eller ikke-substitueret C6-C2o-aryl- eller arylsubstituerede Q-Cho- alkylesterderivater af methaerylsyre eller aerylsyre.
  5. 5. Friktionsreducerende middel ifølge krav 1, hvor polymeren er (a) en homopolymer omfattende gentagne enheder af resterne af z-ethylhexylrnethacrylatmonomerer; eller (h) en copolymer omfattende geniagne enheder af resterne af 2-ethyIhexylmetliacrylatinonomerer og resterne af butylaerylatmonomerer; eller (c) en copolymer omfattende gentagne enheder af resterne af 2-ethylhexylmethacrylatmonomerer og resterne af mindst én anden monomer.
  6. 6. Friktionsrcduccrcndc middel ifølge ct hvilket som helst af dc foregående krav, hvor bærerfluidet omfatter vand og/eiler alkohol.
  7. 7. Friktionsreducerende middel ifølge et hvilket som helst af de foregående krav, hvor polymerpartikleme omfatter 10 til 40 vægtprocent.
  8. 8. Friktionsreducerende middel ifølge krav 1, hvilket middel endvidere omfatter en flerhed af partikler af en anden friktionsreducerende polymer med en gennemsnitlig partikelstørrelse på mindre end lpm, hvor den anden friktionsreducerende polymer er en ikke-polyalphaolephinpolymer, dannet ved emulsionspolymerisering.
  9. 9. Fremgangsmåde til at reducere friktion i en rørledning, hvilken fremgangsmåde omfatter: (a) indføring af et friktionsreducerende middel ifølge et hvilket som helst af kravene 1 til 8 i et carbonhydridholdigt fluid for derved at danne et behandlet carbonhydridholdigt fluid; og (b) føring af det behandlede carbonhydridholdige fluid gennem en rørledning.
  10. 10. Fremgangsmåde ifølge krav 9, hvor det behandlede carbonhydridholdige fluid har en kumulativ koncentration af ikke-polyalphaolefmpolymeren i intervallet på fra 0,1 til 500 ppm i vægt.
  11. 11. Fremgangsmåde ifølge krav 9, hvor det carbonhydridholdige fluid omfatter carbonhydrid i flydende fase, carbonhydrid i ikke-flydende fase og/eller et ikke-carbonhydridfluid, hvor det carbonhydridholdige fluid omfatter carbonhydrid i flydende fase i en mængde på mindst 50 vægtprocent baseret på den totale vægt af det carbonhydridholdige fluid.
  12. 12. Fremgangsmåde ifølge krav 9, hvor det carbonhydridholdige fluid omfatter råolie.
DK14163613.4T 2007-10-26 2008-07-31 Dispergerede friktionsreducerende ikke-polyalphaolefinpolymerer DK2752439T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/925,214 US7888407B2 (en) 2007-10-26 2007-10-26 Disperse non-polyalphaolefin drag reducing polymers
EP08796916.8A EP2190904B1 (en) 2007-10-26 2008-07-31 Disperse non-polyalphaolefin drag reducing polymers

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US (3) US7888407B2 (da)
EP (3) EP2190904B1 (da)
CN (1) CN101932633B (da)
BR (1) BRPI0807980A2 (da)
CA (1) CA2679848C (da)
CO (1) CO6390072A2 (da)
DK (2) DK2752439T3 (da)
EA (1) EA019423B8 (da)
EC (1) ECSP099752A (da)
ES (2) ES2611466T3 (da)
MX (1) MX2009009350A (da)
PL (2) PL2190904T3 (da)
PT (1) PT2752439T (da)
WO (1) WO2009055114A1 (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7888407B2 (en) * 2007-10-26 2011-02-15 Conocophillips Company Disperse non-polyalphaolefin drag reducing polymers
US8916626B2 (en) 2008-07-31 2014-12-23 Lubrizol Specialty Products, Inc. Drag reducing copolymers for cold fluid applications
US20120035297A1 (en) 2010-08-09 2012-02-09 Conocophillips Company Remediation of agglomerated flow improvers
CN103627380B (zh) * 2013-11-08 2016-06-08 中国石油天然气股份有限公司 一种水溶性减阻剂及其制备和应用
FR3021327B1 (fr) * 2014-05-21 2016-06-03 Snf Sas Procede de reduction de friction dans le transport de l'ethanol
CN107323602B (zh) * 2017-07-19 2019-02-12 吉林大学 一种三明治结构的智能水凝胶材料减阻表面
AR118538A1 (es) * 2019-03-28 2021-10-20 Ecolab Usa Inc Emulsiones de polímeros autoinvertidores
US11767487B2 (en) 2020-07-13 2023-09-26 Baker Hughes Oilfield Operations Llc Inverting aids for latex-based drag reducing agents
US11608466B2 (en) 2021-03-26 2023-03-21 Baker Hughes Oilfield Operations Llc Solid drag reduction additive and method of using same
US11473033B1 (en) * 2022-01-04 2022-10-18 Iris Tech, Inc. Drag reducing agent containing a great amount of an active base
WO2023132878A1 (en) * 2022-01-04 2023-07-13 Iris Tech, Inc. Drag reducing agent containing a great amount of polyacrylate

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493000A (en) * 1968-02-07 1970-02-03 Exxon Research Engineering Co Method for reducing the frictional drag of flowing fluids
US3661541A (en) * 1969-04-22 1972-05-09 Exxon Research Engineering Co Fuel oil compositions containing a mixture of polymers to improve the pour point and flow properties
US3679582A (en) * 1969-10-08 1972-07-25 Shell Oil Co Flow improvement of waxy hydrocarbon with the aid of polysaccharide derivatives
GB1285087A (en) * 1969-12-18 1972-08-09 Shell Int Research Oil compositions
US3654994A (en) * 1970-08-06 1972-04-11 Calgon Corp Friction reducing in flowing hydrocarbon fluids
US3758406A (en) * 1971-10-22 1973-09-11 Halliburton Co Flow of hydrocarbon liquids methods and compositions for reducing frictional pressure loss in the
US3748266A (en) * 1971-11-01 1973-07-24 Halliburton Co Methods and compositions for reducing frictional pressure loss in theflow of hydrocarbon liquids
US3854893A (en) 1972-06-14 1974-12-17 Exxon Research Engineering Co Long side chain polymeric flow improvers for waxy hydrocarbon oils
US3857402A (en) * 1972-08-31 1974-12-31 Nalco Chemical Co Transmission of oil
US4190069A (en) * 1975-06-06 1980-02-26 General Electric Company Process for transmitting a hydrocarbon fluid through a pipeline
US3985703A (en) * 1975-06-24 1976-10-12 Rohm And Haas Company Process for manufacture of acrylic core/shell polymers
US4212312A (en) * 1978-08-28 1980-07-15 Shell Oil Company Fragmented polymers as friction reducers in pipeline transportation of products
US4340076A (en) * 1979-02-27 1982-07-20 General Technology Applications, Inc. Dissolving polymers in compatible liquids and uses thereof
US4358572A (en) * 1981-05-07 1982-11-09 Conoco Inc. Method for the preparation of non-crystalline polymers of high molecular weight
US4546784A (en) * 1982-12-29 1985-10-15 Exxon Research And Enginering Co. Drag reduction agent
US4656204A (en) * 1983-11-02 1987-04-07 Exxon Research And Engineering Company Process for use of drag reduction agent in a hydrocarbon liquid
US4573488A (en) * 1984-04-12 1986-03-04 The Dow Chemical Company Additives for nonaqueous liquids
US4693321A (en) * 1985-11-18 1987-09-15 Conoco Inc. Method using encapsulated flow improvers to reduce turbulence
US4881566A (en) * 1988-10-11 1989-11-21 Conoco Inc. Method for reducing pressure drop in the transportation of drag reducer
US4983186A (en) * 1989-07-18 1991-01-08 Petrolite Corporation Methods and compositions for reduction of drag in hydrocarbon fluids
US5080121A (en) * 1990-08-06 1992-01-14 Council Of Scientific & Industrial Research Process for the preparation of a new polymer useful for drag reduction in hydrocarbon fluids in exceptionally dilute polymer solutions
US5244937A (en) * 1990-09-04 1993-09-14 Conoco Inc. Stable nonagglomerating aqueous suspensions of oil soluble polymeric friction reducers
US5322731A (en) * 1993-03-09 1994-06-21 Minnesota Mining And Manufacturing Company Adhesive beads
US5449732A (en) * 1993-06-18 1995-09-12 Conoco Inc. Solvent free oil soluble drag reducing polymer suspension
US6015779A (en) * 1996-03-19 2000-01-18 Energy & Environmental International, L.C. Methods for forming amorphous ultra-high molecular weight polyalphaolefin drag reducing agents
US6218490B1 (en) * 1996-03-21 2001-04-17 Ceca S.A. Acrylic copolymers as additives for inhibiting paraffin deposition in crude oils, and compositions containing same
US6172151B1 (en) * 1996-10-15 2001-01-09 Conoco Inc. Nonaqueous drag reducing suspensions
EP0882739A3 (en) 1997-06-06 1999-04-07 Nippon Shokubai Co., Ltd. High molecular weight polymer and producing method the same and drag reducer
FR2767835B1 (fr) * 1997-08-28 2003-09-12 Atochem Elf Sa Latex ne contenant ni composes organiques volatils ni agents de coalescence et pouvant former un film a basse temperature
US6126872A (en) * 1998-01-27 2000-10-03 Baker Hughes Incorporated Microencapsulated drag reducing agents
US5928830A (en) * 1998-02-26 1999-07-27 Xerox Corporation Latex processes
AU3719899A (en) 1998-05-02 1999-11-23 Bp Chemicals Limited Polymers and their uses
ATE286080T1 (de) 1998-06-15 2005-01-15 Union Carbide Chem Plastic In alkali lösliche verdickungsmittel für latex
US6178980B1 (en) * 1998-08-26 2001-01-30 Texaco Inc. Method for reducing the pipeline drag of heavy oil and compositions useful therein
MXPA01006122A (es) * 1998-12-21 2002-03-27 Baker Hughes Inc Inyeccion de quimicos en circuito cerrado y sistema de verificacion para operaciones petroliferas.
DE19904317A1 (de) * 1999-01-28 2000-08-10 Basf Coatings Ag Aus mindestens vier Komponenten bestehendes Beschichtungsmittel, Verfahren zu seiner Herstellung sowie seine Verwendung
DE19949592A1 (de) * 1999-10-14 2001-04-19 Basf Ag Thermisch härtbare Polymerdipersion
RU2258805C2 (ru) * 2000-03-02 2005-08-20 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Система для нагнетания химических реагентов в скважину, нефтяная скважина для добычи нефтепродуктов (варианты) и способ управления нефтяной скважиной
CA2322102A1 (en) * 2000-10-02 2002-04-02 Chemergy Ltd. Fracturing fluid
AU2002219885A1 (en) * 2000-11-28 2002-06-11 Conoco Inc. Drag-reducing polymer suspensions
US6399676B1 (en) * 2000-11-28 2002-06-04 Conoco, Inc. Drag-reducing polymer suspensions
US6576732B1 (en) * 2000-11-28 2003-06-10 Conocophillips Co. Drag-reducing polymers and drag-reducing polymer suspensions and solutions
US20020065352A1 (en) * 2000-11-28 2002-05-30 Johnston Ray L Drag-reducing polymers and suspensions thereof
US6841593B2 (en) * 2001-07-05 2005-01-11 Baker Hughes Incorporated Microencapsulated and macroencapsulated drag reducing agents
US6723683B2 (en) * 2001-08-07 2004-04-20 National Starch And Chemical Investment Holding Corporation Compositions for controlled release
US6946500B2 (en) * 2002-12-17 2005-09-20 Baker Hughes Incorporated Non-cryogenic process for grinding polyolefin drag reducing agents
US6649670B1 (en) * 2002-12-17 2003-11-18 Baker Hughes Incorporated Continuous neat polymerization and ambient grinding methods of polyolefin drag reducing agents
TWI339210B (en) * 2003-02-25 2011-03-21 Kaneka Corp Polymer particle composition and process for producing the same
US6894088B2 (en) * 2003-03-24 2005-05-17 Baker Hughes Incorporated Process for homogenizing polyolefin drag reducing agents
US20050049327A1 (en) * 2003-09-02 2005-03-03 Vladimir Jovancicevic Drag reducing agents for multiphase flow
US7468402B2 (en) * 2004-03-17 2008-12-23 Baker Hughes Incorporated Polymeric nanoemulsion as drag reducer for multiphase flow
US7285582B2 (en) * 2004-12-30 2007-10-23 Conocophillips Company Modified latex drag reducer and processes therefor and therewith
US7361628B2 (en) * 2004-12-30 2008-04-22 Conocophillips Company Remote delivery of latex drag-reducing agent without introduction of immiscible low-viscosity flow facilitator
CN101484556B (zh) * 2005-06-14 2013-07-03 贝克休斯公司 改进减阻聚合物溶解的双或多峰态粒度分布
US20080064785A1 (en) * 2005-06-14 2008-03-13 Baker Hughes Incorporated Bi- or Multi-Modal Particle Size Distribution To Improve Drag Reduction Polymer Dissolution
US8022118B2 (en) 2006-12-22 2011-09-20 Conocophillips Company Drag reduction of asphaltenic crude oils
US7888407B2 (en) * 2007-10-26 2011-02-15 Conocophillips Company Disperse non-polyalphaolefin drag reducing polymers

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US9783644B2 (en) 2017-10-10
US20180118893A1 (en) 2018-05-03
PT2752439T (pt) 2017-01-27
EP2190904A1 (en) 2010-06-02
DK2190904T3 (da) 2016-05-17
WO2009055114A1 (en) 2009-04-30
EP2752439A1 (en) 2014-07-09
CA2679848C (en) 2013-03-19
ES2566956T3 (es) 2016-04-18
ECSP099752A (es) 2009-12-28
EP2752439B1 (en) 2016-10-19
EA019423B8 (ru) 2014-04-30
CN101932633B (zh) 2013-03-13
CA2679848A1 (en) 2009-04-30
US10370502B2 (en) 2019-08-06
EA200971011A1 (ru) 2010-04-30
US20110023972A1 (en) 2011-02-03
US20090111714A1 (en) 2009-04-30
PL2190904T3 (pl) 2016-07-29
BRPI0807980A2 (pt) 2014-06-24
US7888407B2 (en) 2011-02-15
EP2457942A1 (en) 2012-05-30
EA019423B1 (ru) 2014-03-31
CN101932633A (zh) 2010-12-29
EP2190904B1 (en) 2016-02-10
PL2752439T3 (pl) 2017-05-31
ES2611466T3 (es) 2017-05-09
MX2009009350A (es) 2009-09-21
CO6390072A2 (es) 2012-02-29

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