RU2008133473A - Самоуплотняющийся пакер - Google Patents

Самоуплотняющийся пакер Download PDF

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Publication number
RU2008133473A
RU2008133473A RU2008133473/03A RU2008133473A RU2008133473A RU 2008133473 A RU2008133473 A RU 2008133473A RU 2008133473/03 A RU2008133473/03 A RU 2008133473/03A RU 2008133473 A RU2008133473 A RU 2008133473A RU 2008133473 A RU2008133473 A RU 2008133473A
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RU
Russia
Prior art keywords
packer
reinforcing element
packer according
wellbore
swellable
Prior art date
Application number
RU2008133473/03A
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English (en)
Other versions
RU2392417C2 (ru
Inventor
Дуглас Дж. МАРРИ (US)
Дуглас Дж. Марри
Original Assignee
Бейкер Хьюз Инкорпорейтед (Us)
Бейкер Хьюз Инкорпорейтед
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Application filed by Бейкер Хьюз Инкорпорейтед (Us), Бейкер Хьюз Инкорпорейтед filed Critical Бейкер Хьюз Инкорпорейтед (Us)
Publication of RU2008133473A publication Critical patent/RU2008133473A/ru
Application granted granted Critical
Publication of RU2392417C2 publication Critical patent/RU2392417C2/ru

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/12Packers; Plugs
    • E21B33/1208Packers; Plugs characterised by the construction of the sealing or packing means
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/12Packers; Plugs
    • E21B33/1208Packers; Plugs characterised by the construction of the sealing or packing means
    • E21B33/1216Anti-extrusion means, e.g. means to prevent cold flow of rubber packing

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Earth Drilling (AREA)

Abstract

1. Пакер для внутрискважинного использования, содержащий: ствол пакера, ! разбухающий элемент, прикрепленный к стволу пакера и служащий для выборочного уплотнения ствола скважины, и ! по меньшей мере один усиливающий элемент, служащий для выборочного приложения силы к разбухающему элементу для усиления эффекта уплотнения в стволе скважины. ! 2. Пакер по п.1, в котором усиливающий элемент способен увеличиваться вдоль ствола пакера для приложения указанной силы. ! 3. Пакер по п.1, в котором усиливающий элемент способен разбухать для приложения указанной силы. ! 4. Пакер по п.1, в котором усиливающий элемент в большей степени увеличивается вдоль ствола пакера для приложения указанной силы, чем в радиальном направлении ствола пакера. ! 5. Пакер по п.1, в котором усиливающий элемент ограничен в увеличении в радиальном направлении ствола пакера. ! 6. Пакер по п.1, в котором усиливающий элемент первоначально изолирован от скважинных флюидов, при контакте с которыми он разбухает. ! 7. Пакер по п.1, в котором разбухающий элемент первоначально изолирован от скважинных флюидов, при контакте с которыми он разбухает. ! 8. Пакер по п.1, в котором ствол пакера способен расширяться для высвобождения указанной силы от усиливающего элемента. ! 9. Пакер по п.1, в котором на усиливающем элементе имеется фиксатор, высвобождаемый для приложения указанной силы. ! 10. Пакер по п.9, в котором фиксатор способен высвобождаться посредством контакта со скважинными флюидами. ! 11. Пакер по п.9, в котором фиксатор способен высвобождаться посредством расширения разбухающего элемента. ! 12. Пакер по п.1, в котором усиливающий элемент содержит материал с эффектом запомина

Claims (20)

1. Пакер для внутрискважинного использования, содержащий: ствол пакера,
разбухающий элемент, прикрепленный к стволу пакера и служащий для выборочного уплотнения ствола скважины, и
по меньшей мере один усиливающий элемент, служащий для выборочного приложения силы к разбухающему элементу для усиления эффекта уплотнения в стволе скважины.
2. Пакер по п.1, в котором усиливающий элемент способен увеличиваться вдоль ствола пакера для приложения указанной силы.
3. Пакер по п.1, в котором усиливающий элемент способен разбухать для приложения указанной силы.
4. Пакер по п.1, в котором усиливающий элемент в большей степени увеличивается вдоль ствола пакера для приложения указанной силы, чем в радиальном направлении ствола пакера.
5. Пакер по п.1, в котором усиливающий элемент ограничен в увеличении в радиальном направлении ствола пакера.
6. Пакер по п.1, в котором усиливающий элемент первоначально изолирован от скважинных флюидов, при контакте с которыми он разбухает.
7. Пакер по п.1, в котором разбухающий элемент первоначально изолирован от скважинных флюидов, при контакте с которыми он разбухает.
8. Пакер по п.1, в котором ствол пакера способен расширяться для высвобождения указанной силы от усиливающего элемента.
9. Пакер по п.1, в котором на усиливающем элементе имеется фиксатор, высвобождаемый для приложения указанной силы.
10. Пакер по п.9, в котором фиксатор способен высвобождаться посредством контакта со скважинными флюидами.
11. Пакер по п.9, в котором фиксатор способен высвобождаться посредством расширения разбухающего элемента.
12. Пакер по п.1, в котором усиливающий элемент содержит материал с эффектом запоминания формы, который способен увеличиваться вдоль ствола пакера для приложения указанной силы.
13. Пакер по п.1, в котором усиливающий элемент содержит по меньшей мере сжатый упругий материал или поршень, связанный с находящейся под давлением камерой.
14. Пакер по п.1, в котором усиливающий элемент отделен от разбухающего элемента при помощи по меньшей мере одного удерживающего кольца.
15. Пакер по п.1, в котором усиливающий элемент способен разбухать с меньшей скоростью, чем разбухающий элемент.
16. Пакер по п.1, в котором усиливающий элемент начинает разбухать, по меньшей мере, когда начинает разбухать разбухающий элемент.
17. Пакер по п.16, в котором разбухающий и усиливающий элементы первоначально закрыты покрытиями различной толщины или из разных материалов, которые приобретают пористость лишь при воздействии флюидов в стволе скважине.
18. Пакер по п.16, в котором усиливающий элемент начинает разбухать, когда разбухающий элемент уже по существу полностью разбух.
19. Пакер по п.17, в котором указанные покрытия выполнены из одного или более растворимых полимеров и металла.
20. Пакер по п.16, в котором усиливающий элемент способен разбухать с приложением указанной силы.
RU2008133473/03A 2006-01-18 2007-01-18 Самоуплотняющийся пакер RU2392417C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/334,095 US7387158B2 (en) 2006-01-18 2006-01-18 Self energized packer
US11/334,095 2006-01-18

Publications (2)

Publication Number Publication Date
RU2008133473A true RU2008133473A (ru) 2010-02-27
RU2392417C2 RU2392417C2 (ru) 2010-06-20

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Application Number Title Priority Date Filing Date
RU2008133473/03A RU2392417C2 (ru) 2006-01-18 2007-01-18 Самоуплотняющийся пакер

Country Status (5)

Country Link
US (1) US7387158B2 (ru)
CA (1) CA2636195C (ru)
MY (1) MY183136A (ru)
RU (1) RU2392417C2 (ru)
WO (1) WO2007084657A1 (ru)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2485282C2 (ru) * 2010-09-24 2013-06-20 Везерфорд/Лэм, Инк. Устройство для использования со скважинным инструментом, имеющим разбухающий элемент, скважинный инструмент и способ его сборки

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