RU2013110514A - Растворимая мостовая пробка - Google Patents

Растворимая мостовая пробка Download PDF

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Publication number
RU2013110514A
RU2013110514A RU2013110514/03A RU2013110514A RU2013110514A RU 2013110514 A RU2013110514 A RU 2013110514A RU 2013110514/03 A RU2013110514/03 A RU 2013110514/03A RU 2013110514 A RU2013110514 A RU 2013110514A RU 2013110514 A RU2013110514 A RU 2013110514A
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Russia
Prior art keywords
integrity
well
component
bridge plug
specified
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RU2013110514/03A
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RU2553717C2 (ru
Inventor
Джек СТЭФФОРД
Билли ГРИСОН
Джон ФЛЕМИНГ
Мануэль П. МАРИЯ
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Шлюмбергер Текнолоджи Б.В.
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    • 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
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/134Bridging plugs
    • 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
    • E21B2200/00Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/08Down-hole devices using materials which decompose under well-bore conditions

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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)
  • Earth Drilling (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

1. Мостовая пробка для размещения в скважине, ограниченной обсадной колонной, включающая в себя компонент целостности для поддержания якорной целостности или структурной целостности в скважине во время создающего давления использования в ее верхней части, причем упомянутый компонент выполнен с возможностью, по существу, растворения в скважине и из материала, содержащегохимически активный металл, выбранный из группы, состоящей из алюминия, кальция и магния, илегирующий элемент.2. Мостовая пробка по п.1, в которой создающее давление использование создает избыточное давление, равное приблизительно 5000 фунт/кв. дюйм.3. Мостовая пробка по п.1, в которой указанным компонентом целостности является оправка для структурной целостности.4. Мостовая пробка по п.1, в которой указанным компонентом целостности является шлипс для якорной целостности.5. Мостовая пробка по п.4, в которой шлипс содержит зубцы для стыковки с обсадной трубой при радиальном расширении шлипса.6. Мостовая пробка по п.1, которая дополнительно содержит:радиально расширяемое уплотнение; ичасть корпуса из композитного материала, смежную с указанным уплотнителем и указанным компонентом целостности.7. Мостовая пробка по п.6, в которой указанным уплотнением является разбуриваемый эластомер, и указанной частью корпуса является разбуриваемое стекловолокно.8. Способ осуществления операции в забойной скважине, согласно которомуразмещают мостовую пробку для изоляции на участке размещения в нижней части обсадной колонны скважины;осуществляют создающее давление использование в скважине вверх по стволу от участка размещения;поддерживают изоляцию с помощью ком

Claims (23)

1. Мостовая пробка для размещения в скважине, ограниченной обсадной колонной, включающая в себя компонент целостности для поддержания якорной целостности или структурной целостности в скважине во время создающего давления использования в ее верхней части, причем упомянутый компонент выполнен с возможностью, по существу, растворения в скважине и из материала, содержащего
химически активный металл, выбранный из группы, состоящей из алюминия, кальция и магния, и
легирующий элемент.
2. Мостовая пробка по п.1, в которой создающее давление использование создает избыточное давление, равное приблизительно 5000 фунт/кв. дюйм.
3. Мостовая пробка по п.1, в которой указанным компонентом целостности является оправка для структурной целостности.
4. Мостовая пробка по п.1, в которой указанным компонентом целостности является шлипс для якорной целостности.
5. Мостовая пробка по п.4, в которой шлипс содержит зубцы для стыковки с обсадной трубой при радиальном расширении шлипса.
6. Мостовая пробка по п.1, которая дополнительно содержит:
радиально расширяемое уплотнение; и
часть корпуса из композитного материала, смежную с указанным уплотнителем и указанным компонентом целостности.
7. Мостовая пробка по п.6, в которой указанным уплотнением является разбуриваемый эластомер, и указанной частью корпуса является разбуриваемое стекловолокно.
8. Способ осуществления операции в забойной скважине, согласно которому
размещают мостовую пробку для изоляции на участке размещения в нижней части обсадной колонны скважины;
осуществляют создающее давление использование в скважине вверх по стволу от участка размещения;
поддерживают изоляцию с помощью компонента целостности пробки во время осуществления;
по существу, растворяют компонент под действием скважинных условий; и
удаляют пробку из участка размещения через менее чем приблизительно 30 мин.
9. Способ по п.8, согласно которому использованием является перфорирование и гидроразрыв.
10. Способ по п.8, согласно которому скважинные условия включают одно из температуры и концентрации воды.
11. Способ по п.8, согласно которому дополнительно приспосабливают параметры использования, которые влияют на скважинные условия для указанного растворения.
12. Способ по п.8, согласно которому компонентом целостности является шлипс для заякоривания; причем при указанном размещении
доставляют пробку к участку размещения посредством одного из талевого каната, тросового каната, составной трубы и колтюбинга, и
заякоривают пробку на участке размещения посредством радиального расширения шлипса.
13. Способ по п.12, согласно которому дополнительно радиально расширяют уплотнение пробки, чтобы обеспечить гидравлическую изоляцию скважины на участке размещения.
14. Способ по п.13, согласно которому дополнительно используют инструмент настройки для компрессионного воздействия на пробку, чтобы активировать указанное заякоривание и указанное расширение.
15. Способ по п.8, согласно которому дополнительно восстанавливают поток углеводородов через пробку перед указанным удалением.
16. Способ по п.8, согласно которому при указанном удалении осуществляют одно из вылавливания пробки, разбуривания пробки и выталкивания пробки в необсаженную часть скважины.
17. Компонент для введения в мостовую пробку, предназначенную для изоляции в обсаженной скважине, причем компонент из растворимого материала, содержит:
химически активный металл, выбранный из группы, состоящей из алюминия, кальция и магния; и
легирующий элемент.
18. Компонент по п.17, выполненный с возможностью обеспечения якорной целостности или структурной целостности пробки во время создающего давление использования в скважине.
19. Компонент по п.17, в котором указанным легирующим элементом является один из лития, галлия, индия, цинка, висмута, алюминия, причем алюминий не является указанным химически активным металлом, кальция, причем кальций не является указанным химически активным металлом, и магния, причем магний не является указанным химически активным металлом.
20. Компонент по п.17, в котором растворимый материал дополнительно содержит волокно или мелкие частицы.
21. Компонент по п.17, который дополнительно содержит на себе покрытие для того, чтобы влиять на начало растворения соответствующего растворимого материала, когда пробка находится в скважине.
22. Узел скважины, включающий:
обсаженную скважину;
инструмент для создания давления, размещенный в указанной скважине для использования в ней; и
мостовую пробку, находящуюся на участке размещения в указанной скважине ниже указанного инструмента и имеющую растворимый шлипс для якорной целостности указанной пробки и растворимую оправку для структурной целостности указанной пробки во время использования, причем оправка представляет собой химически активный металл с легирующим элементом.
23. Узел скважины по п.22, в котором указанная скважина дополнительно содержит частично обсаженный боковой ствол, ограничивающий терминальный конец указанной скважины, причем участок размещения находится в боковом стволе.
RU2013110514/03A 2010-08-12 2011-08-10 Растворимая мостовая пробка RU2553717C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/855,503 2010-08-12
US12/855,503 US10316616B2 (en) 2004-05-28 2010-08-12 Dissolvable bridge plug
PCT/US2011/047296 WO2012021654A2 (en) 2010-08-12 2011-08-10 Dissolvable bridge plug

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RU2013110514A true RU2013110514A (ru) 2014-09-20
RU2553717C2 RU2553717C2 (ru) 2015-06-20

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US (1) US10316616B2 (ru)
CN (1) CN103201453B (ru)
CA (1) CA2808081C (ru)
RU (1) RU2553717C2 (ru)
WO (1) WO2012021654A2 (ru)

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CN103201453B (zh) 2016-06-08
RU2553717C2 (ru) 2015-06-20
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