ECSP13013029A - Surfactantes para la recuperación mejorada de petróleo - Google Patents

Surfactantes para la recuperación mejorada de petróleo

Info

Publication number
ECSP13013029A
ECSP13013029A ECSP13013029A ECSP13013029A EC SP13013029 A ECSP13013029 A EC SP13013029A EC SP13013029 A ECSP13013029 A EC SP13013029A EC SP13013029 A ECSP13013029 A EC SP13013029A
Authority
EC
Ecuador
Prior art keywords
alcohol sulfate
water
weight
oil recovery
ethoxylated
Prior art date
Application number
Other languages
English (en)
Inventor
Ramakrishna Ravikiran
Jieyuan Zhang
Original Assignee
Stepan Co
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 Stepan Co filed Critical Stepan Co
Publication of ECSP13013029A publication Critical patent/ECSP13013029A/es

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
    • C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
    • C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)

Abstract

Las composiciones surfactantes útiles para la recuperación de petróleo comprenden de 10 a 80 % en peso de sulfato de alcohol C12-C20 propoxilado, de 10 a 80 % en peso de un sulfonato de olefina interna C12-C20 y de 0,1 a 10 % en peso de un sulfato de alcohol C4-C12 etoxilado. Una proporción menor del sulfato de alcohol etoxilado reduce o elimina la necesidad de recurrir a cosolventes costosos para alcanzar buen desempeño en procesos de recuperación mejorada de petróleo. Se pueden alcanzar bajas tensiones interfaciales y una microemulsión de baja viscosidad cuando el sulfato de alcohol etoxilado acompaña al sulfato de alcohol propoxilado y al sulfonato de olefina interna. También se revelan concentrados acuosos que comprenden agua y las composiciones surfactantes arriba descritas. La dilución de la composición del surfactante o concentrado acuoso con agua o salmuera hasta el nivel deseado de activos aniónicos proporciona una composición inyectable útil para aplicaciones de EOR. También se revelan microemulsiones estables, de baja viscosidad de petróleo en agua que comprenden petróleo crudo, agua y las composiciones surfactantes.
ECSP13013029 2011-05-16 2013-11-18 Surfactantes para la recuperación mejorada de petróleo ECSP13013029A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201161486535P 2011-05-16 2011-05-16

Publications (1)

Publication Number Publication Date
ECSP13013029A true ECSP13013029A (es) 2014-12-30

Family

ID=47177304

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSP13013029 ECSP13013029A (es) 2011-05-16 2013-11-18 Surfactantes para la recuperación mejorada de petróleo

Country Status (7)

Country Link
US (2) US9567512B2 (es)
AR (1) AR086419A1 (es)
BR (1) BR112013029462B1 (es)
CA (1) CA2835352C (es)
CO (1) CO6811881A2 (es)
EC (1) ECSP13013029A (es)
WO (1) WO2012158645A1 (es)

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Also Published As

Publication number Publication date
BR112013029462A2 (pt) 2017-01-17
US20170114270A1 (en) 2017-04-27
WO2012158645A1 (en) 2012-11-22
CA2835352A1 (en) 2012-11-22
US9567512B2 (en) 2017-02-14
CA2835352C (en) 2018-08-21
US10435618B2 (en) 2019-10-08
AR086419A1 (es) 2013-12-11
CO6811881A2 (es) 2013-12-16
US20140073541A1 (en) 2014-03-13
BR112013029462B1 (pt) 2021-02-23

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