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CO4810336A1 - Un aditivo para incrementar la densidad de fluidos en pozos perforados y fluidos que comprenden tal aditivo - Google Patents

Un aditivo para incrementar la densidad de fluidos en pozos perforados y fluidos que comprenden tal aditivo

Info

Publication number
CO4810336A1
CO4810336A1 CO97041885A CO97041885A CO4810336A1 CO 4810336 A1 CO4810336 A1 CO 4810336A1 CO 97041885 A CO97041885 A CO 97041885A CO 97041885 A CO97041885 A CO 97041885A CO 4810336 A1 CO4810336 A1 CO 4810336A1
Authority
CO
Colombia
Prior art keywords
fluid
additive
acid
density
increase
Prior art date
Application number
CO97041885A
Other languages
English (en)
Inventor
Christopher Alan Sawdon
Andrew James Bradbury
Original Assignee
Sofitech Nv
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 Sofitech Nv filed Critical Sofitech Nv
Publication of CO4810336A1 publication Critical patent/CO4810336A1/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
    • C09K3/00—Materials not provided for elsewhere
    • 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
    • C09K8/02—Well-drilling compositions
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/032—Inorganic additives
    • 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
    • C09K8/02—Well-drilling compositions
    • C09K8/04—Aqueous well-drilling compositions
    • C09K8/14—Clay-containing compositions
    • C09K8/16—Clay-containing compositions characterised by the inorganic compounds other than clay
    • 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
    • C09K8/02—Well-drilling compositions
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • 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
    • Y10S507/906—Solid inorganic additive in defined physical form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dispersion Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Colloid Chemistry (AREA)
  • Lubricants (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Un aditivo para aumentar la densidad de un fluido, donde eladitivo comprende partículas coloidales sólidas de diámetro promedio (D50 ) por peso de menos de 2 micrones; las partículas son desfloculadas por la acción de un medio dispersor. Un aditivo según la reivindicación 7, donde la pasta aguada acuosa de las partículas coloidales contiene un medio dispersor que comprende un polímero soluble en agua de peso molecular de por lo menos 2.000 faltones, y donde el polímero es un homopolímero o copolímero de cualquiera de los monómeros seleccionados de (pero no limitados a) la clase que comprende: ácido acrílico, ácido itacónico, ácido maléico o anhídrido, ácido vinilsulfónico, hidroxipropil acrilato, ácido sulfónico, acrilamido 2-propano, acrilamido, ácido sulfónico estireno, esteres de fosfato acrílico, metilo, vinilo, éter y acetato de vinilo, y donde los monómeros ácidos también pueden ser neutralizados a una sal como la sal de sodio.1Un aditivo según cualquiera de las reivindicaciones anteriores, donde el fluido de pozos es cualquiera de la clase que incluye: fluido de perforación, pasta aguada de cemento, fluido de completamiento, fluido de rehabilitación, fluido de perforación para hoyos de diámetro reducido, fluido de obturador, fluido de espaciador, fluido de estimulación, fluido de prueba, fluido para matar pozos y fluido para tubería espiralada.
CO97041885A 1996-07-24 1997-07-23 Un aditivo para incrementar la densidad de fluidos en pozos perforados y fluidos que comprenden tal aditivo CO4810336A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9615549A GB2315505B (en) 1996-07-24 1996-07-24 An additive for increasing the density of a fluid and fluid comprising such additve

Publications (1)

Publication Number Publication Date
CO4810336A1 true CO4810336A1 (es) 1999-06-30

Family

ID=10797436

Family Applications (1)

Application Number Title Priority Date Filing Date
CO97041885A CO4810336A1 (es) 1996-07-24 1997-07-23 Un aditivo para incrementar la densidad de fluidos en pozos perforados y fluidos que comprenden tal aditivo

Country Status (11)

Country Link
US (2) US6586372B1 (es)
EP (6) EP1626077B1 (es)
AU (1) AU3767697A (es)
CO (1) CO4810336A1 (es)
DE (1) DE69733563T2 (es)
DK (5) DK1600488T3 (es)
EA (1) EA009110B1 (es)
GB (1) GB2315505B (es)
MY (1) MY116935A (es)
NO (1) NO328649B1 (es)
WO (1) WO1998003609A1 (es)

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Also Published As

Publication number Publication date
WO1998003609A1 (en) 1998-01-29
US6586372B1 (en) 2003-07-01
EP1626077A3 (en) 2008-07-16
EP1600489A2 (en) 2005-11-30
MY116935A (en) 2004-04-30
NO990251D0 (no) 1999-01-20
EP1626077B1 (en) 2012-03-21
EP0922078A1 (en) 1999-06-16
US20090124521A1 (en) 2009-05-14
NO990251L (no) 1999-03-24
DK1626077T3 (da) 2012-07-09
DK1600489T3 (da) 2011-11-21
EA009110B1 (ru) 2007-10-26
EP1600486B1 (en) 2011-08-24
DE69733563T2 (de) 2006-05-11
DE69733563D1 (de) 2005-07-21
EP1600489B1 (en) 2011-08-31
GB2315505A (en) 1998-02-04
DK1600486T3 (da) 2011-11-28
GB2315505B (en) 1998-07-22
EP1600486A3 (en) 2008-07-09
EP1626077A2 (en) 2006-02-15
EP1600489A3 (en) 2008-02-13
EP0922078B1 (en) 2005-06-15
EP1600487A3 (en) 2008-05-21
AU3767697A (en) 1998-02-10
EA200500682A1 (ru) 2005-12-29
EP1600486A2 (en) 2005-11-30
EP1600488A2 (en) 2005-11-30
GB9615549D0 (en) 1996-09-04
US7745380B2 (en) 2010-06-29
DK1600488T3 (da) 2012-04-10
NO328649B1 (no) 2010-04-19
DK0922078T3 (da) 2005-10-17
EP1600488B1 (en) 2012-02-29
EP1600487A2 (en) 2005-11-30
EP1600488A3 (en) 2008-02-13

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