AR011617A1 - Una dispersion de un ester polimero util como inhibidor de la deposicion de cera para crudos de petroleo y un metodo de preparacion. - Google Patents

Una dispersion de un ester polimero util como inhibidor de la deposicion de cera para crudos de petroleo y un metodo de preparacion.

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Publication number
AR011617A1
AR011617A1 ARP980100463A ARP980100463A AR011617A1 AR 011617 A1 AR011617 A1 AR 011617A1 AR P980100463 A ARP980100463 A AR P980100463A AR P980100463 A ARP980100463 A AR P980100463A AR 011617 A1 AR011617 A1 AR 011617A1
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AR
Argentina
Prior art keywords
dispersion
preparation
polymer
wax deposition
deposition inhibitor
Prior art date
Application number
ARP980100463A
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English (en)
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Bp Chem Int Ltd
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Publication date
Application filed by Bp Chem Int Ltd filed Critical Bp Chem Int Ltd
Publication of AR011617A1 publication Critical patent/AR011617A1/es

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    • 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
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
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    • 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
    • C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
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Abstract

Una dispersion de un éster polímero en al menos un líquido, teniendo dicho éster polímero una espina hidrocarbonada y al menos un primer tipo de cadenalateral que es un grupo alifático de cadena larga de por lo menos 14 átomos de carbono, yespecia lmente al menos un segundo tipo de cadena lateral que es unalquilo de 1-13 átomos de carbono, en donde el polímero está presente en dicha dispersion en una cantidad de por lo menos 10%, con preferencia de 20-30% enpeso requieren por lomenos uno de: (a)una viscosidad inferior a 500 cP, medida a 10°C y a una velocidad de esfuerzo cortante de 92 1/seg, (b)un líquido, elcual comprende al menos un primer líquido orgánico en el cual el polímero es capaz de formar una solucion de porlo menos 25% en peso a 80°C, y (c)agua. Lasdispersiones son de menor viscosidad que las correspondientes soluciones de los polímeros en hidrocarburos y se pueden usar para reducir o inhibir ladeposicion de cera en aceites céreos, por ejemplo, encrudos de petrole o.
ARP980100463A 1997-02-04 1998-02-03 Una dispersion de un ester polimero util como inhibidor de la deposicion de cera para crudos de petroleo y un metodo de preparacion. AR011617A1 (es)

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CO4920178A1 (es) 2000-05-29
AU5874298A (en) 1998-08-25
MY119566A (en) 2005-06-30
NO993753L (no) 1999-10-04
WO1998033846A1 (en) 1998-08-06
NO322993B1 (no) 2006-12-18
US6342553B1 (en) 2002-01-29

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