EA200300496A1 - Обработка скважин - Google Patents

Обработка скважин

Info

Publication number
EA200300496A1
EA200300496A1 EA200300496A EA200300496A EA200300496A1 EA 200300496 A1 EA200300496 A1 EA 200300496A1 EA 200300496 A EA200300496 A EA 200300496A EA 200300496 A EA200300496 A EA 200300496A EA 200300496 A1 EA200300496 A1 EA 200300496A1
Authority
EA
Eurasian Patent Office
Prior art keywords
substance
polymer
particles
solubility
stage
Prior art date
Application number
EA200300496A
Other languages
English (en)
Other versions
EA005154B1 (ru
Inventor
Ханс Кристиан Котлар
Олав Мартин Селле
Оддвар Арнфинн Эуне
Ларс Килос
Анне Далагер Дюрли
Original Assignee
Статойл Аса
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 Статойл Аса filed Critical Статойл Аса
Publication of EA200300496A1 publication Critical patent/EA200300496A1/ru
Publication of EA005154B1 publication Critical patent/EA005154B1/ru

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
    • 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
    • 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
    • Y10S507/902—Controlled release agent
    • 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
    • Y10S507/939—Corrosion inhibitor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Dental Preparations (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Medicinal Preparation (AREA)

Abstract

В данном изобретении предложен способ обработки углеводородной скважины, который включает введение в указанную скважину полимерных частиц, пропитанных химическим реагентом для обработки скважины, его предшественником или источником (например, ингибитором образования отложений), причем указанные частицы имеют объем пор по меньшей мере 20% и получены способом, который включает приготовление на первой стадии водной дисперсии полимерных частиц, содержащих от 0,05 до 10 объемов в расчете на объем полимера, одного или более материалов, имеющих растворимость в воде ≤10г/л и молекулярную массу порядка 5000 г/моль (этот материал обозначен здесь как Вещество I), причем указанное Вещество I не является олигомером полимера, образующего частицы, не является кристаллическим при температуре, при которой его вводят в частицы, и находится в жидкой форме при температуре, при которой на второй стадии вводят Вещество II, и добавление на указанной второй стадии частично растворимого в воде материала (обозначенного здесь как Вещество II), имеющего растворимость в воде по меньшей мере в десять раз выше, чем растворимость Вещества I, при условиях, которые исключают или затрудняют перенос Вещества I через водную фазу, в результате чего Вещество II диффундирует в полимерные частицы, набухшие Веществом I, и увеличивает объем указанных частиц в 20-1000 раз в расчете на полимер.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200300496A 2000-11-20 2001-11-19 Обработка скважин EA005154B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0028264.0A GB0028264D0 (en) 2000-11-20 2000-11-20 Well treatment
PCT/GB2001/005087 WO2002040827A1 (en) 2000-11-20 2001-11-19 Well treatment

Publications (2)

Publication Number Publication Date
EA200300496A1 true EA200300496A1 (ru) 2003-12-25
EA005154B1 EA005154B1 (ru) 2004-12-30

Family

ID=9903506

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200300496A EA005154B1 (ru) 2000-11-20 2001-11-19 Обработка скважин

Country Status (7)

Country Link
US (1) US7244693B2 (ru)
EP (1) EP1368553A1 (ru)
AU (1) AU2002223827A1 (ru)
EA (1) EA005154B1 (ru)
GB (1) GB0028264D0 (ru)
NO (1) NO319227B1 (ru)
WO (1) WO2002040827A1 (ru)

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Also Published As

Publication number Publication date
EA005154B1 (ru) 2004-12-30
AU2002223827A1 (en) 2002-05-27
NO319227B1 (no) 2005-07-04
US7244693B2 (en) 2007-07-17
GB0028264D0 (en) 2001-01-03
WO2002040827A1 (en) 2002-05-23
NO20032245D0 (no) 2003-05-19
NO20032245L (no) 2003-07-14
US20040060702A1 (en) 2004-04-01
WO2002040827A8 (en) 2004-04-08
EP1368553A1 (en) 2003-12-10

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Legal Events

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Designated state(s): AM BY KG MD TJ TM

TC4A Change in name of a patent proprietor in a eurasian patent
PC4A Registration of transfer of a eurasian patent by assignment
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AZ KZ RU