RU2008133473A - Самоуплотняющийся пакер - Google Patents
Самоуплотняющийся пакер Download PDFInfo
- 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
- Authority
- RU
- Russia
- Prior art keywords
- packer
- reinforcing element
- packer according
- wellbore
- swellable
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title abstract 2
- 230000003014 reinforcing effect Effects 0.000 claims abstract 25
- 239000012530 fluid Substances 0.000 claims abstract 7
- 239000000463 material Substances 0.000 claims abstract 3
- 230000000694 effects Effects 0.000 claims abstract 2
- 238000000576 coating method Methods 0.000 claims 2
- 230000008961 swelling Effects 0.000 claims 2
- 239000013013 elastic material Substances 0.000 claims 1
- 230000003446 memory effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
- E21B33/1216—Anti-extrusion means, e.g. means to prevent cold flow of rubber packing
Landscapes
- 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.
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 |
Family
ID=38080881
Family Applications (1)
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)
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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RU2392417C2 (ru) | 2010-06-20 |
CA2636195A1 (en) | 2007-07-26 |
CA2636195C (en) | 2011-01-11 |
WO2007084657A1 (en) | 2007-07-26 |
US7387158B2 (en) | 2008-06-17 |
MY183136A (en) | 2021-02-15 |
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