NO20050136L - Fremgangsmate for fremstilling av mikropartikler - Google Patents

Fremgangsmate for fremstilling av mikropartikler

Info

Publication number
NO20050136L
NO20050136L NO20050136A NO20050136A NO20050136L NO 20050136 L NO20050136 L NO 20050136L NO 20050136 A NO20050136 A NO 20050136A NO 20050136 A NO20050136 A NO 20050136A NO 20050136 L NO20050136 L NO 20050136L
Authority
NO
Norway
Prior art keywords
oil
phase
double emulsion
aqueous phase
water
Prior art date
Application number
NO20050136A
Other languages
English (en)
Other versions
NO20050136D0 (no
Inventor
Simon Neil Duncum
Ian Ralph Collins
Original Assignee
Bp Exploration Operating
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 Bp Exploration Operating filed Critical Bp Exploration Operating
Publication of NO20050136D0 publication Critical patent/NO20050136D0/no
Publication of NO20050136L publication Critical patent/NO20050136L/no

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
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/92—Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
    • B01J13/125—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution by evaporation of the solvent
    • 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
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/536—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning characterised by their form or by the form of their components, e.g. encapsulated material
    • 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
    • C09K8/54—Compositions for in situ inhibition of corrosion in boreholes or wells

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Colloid Chemistry (AREA)

Abstract

Fremgangsmåte for fremstilling av mikropartikler innbefattende en vandig oppløsning eller dispersjon av et olje- eller gassfeltproduksjonskjemikalie innkapslet i en kontinuerlig polymer fase innbefattende en nedbrytbar polymer, hvilken fremgangsmåte innbefatter: (a) fremstilling av en vann-i-olje-i-vann-dobbeltemulsjon eller en vann-i-olje-i-olje-dobbeltemulsjon som har en indre vandig fase innbefattende en vandig oppløsning eller dispersjon av produksjonskjemikaliet og en indre oljefase innbefattende en oppløsning av en nedbrytbar polymer oppløst i et flyktig organisk oppløsningsmiddel hvor den indre vandige fasen er dispergert i den indre oljefasen til den dobbelte emulsjonen i form av dråper som har en gjennomsnittlig diameter på mindre enn 10 µm; og (b) i det minste delvis inndampning av det flyktige organiske oppløsningsmidlet fra dobbeltemulsjonen slik at den nedbrytbare polymer akkumuleres rundt dråpene av den indre vandige fase og herder til dannelse av mikropartikler innbefattende en kontinuerlig polymer fase som innkapsler den indre vandige fasen og har en gjennomsnittlig partikkeldiameter på mindre enn 10 µm.
NO20050136A 2002-06-13 2005-01-11 Fremgangsmate for fremstilling av mikropartikler NO20050136L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0213599.4A GB0213599D0 (en) 2002-06-13 2002-06-13 Process
PCT/GB2003/002091 WO2003106809A1 (en) 2002-06-13 2003-05-15 Method of preparing microparticles

Publications (2)

Publication Number Publication Date
NO20050136D0 NO20050136D0 (no) 2005-01-11
NO20050136L true NO20050136L (no) 2005-03-14

Family

ID=9938518

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20050136A NO20050136L (no) 2002-06-13 2005-01-11 Fremgangsmate for fremstilling av mikropartikler

Country Status (9)

Country Link
US (1) US20060166838A1 (no)
EP (1) EP1511916A1 (no)
CN (1) CN1659358A (no)
AU (1) AU2003232330A1 (no)
CA (1) CA2488810A1 (no)
EA (1) EA007090B1 (no)
GB (1) GB0213599D0 (no)
NO (1) NO20050136L (no)
WO (1) WO2003106809A1 (no)

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IT1406671B1 (it) * 2010-12-27 2014-03-07 Eni Spa Metodo per il recupero di olio da un giacimento mediante fluidi micro(nano)strutturati a rilascio controllato di sostanze barriera
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Also Published As

Publication number Publication date
EA200401543A1 (ru) 2005-08-25
CN1659358A (zh) 2005-08-24
WO2003106809A1 (en) 2003-12-24
CA2488810A1 (en) 2003-12-24
US20060166838A1 (en) 2006-07-27
AU2003232330A1 (en) 2003-12-31
GB0213599D0 (en) 2002-07-24
EP1511916A1 (en) 2005-03-09
NO20050136D0 (no) 2005-01-11
EA007090B1 (ru) 2006-06-30

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