WO2004042186A1 - Garniture d'etancheite pour hautes pressions - Google Patents

Garniture d'etancheite pour hautes pressions Download PDF

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Publication number
WO2004042186A1
WO2004042186A1 PCT/CN2003/000942 CN0300942W WO2004042186A1 WO 2004042186 A1 WO2004042186 A1 WO 2004042186A1 CN 0300942 W CN0300942 W CN 0300942W WO 2004042186 A1 WO2004042186 A1 WO 2004042186A1
Authority
WO
WIPO (PCT)
Prior art keywords
presence information
logical structure
schematic diagram
user
packer
Prior art date
Application number
PCT/CN2003/000942
Other languages
English (en)
Chinese (zh)
Other versions
WO2004042186A8 (fr
Inventor
Xilai Wang
Original Assignee
Xilai Wang
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 Xilai Wang filed Critical Xilai Wang
Priority to AU2003284796A priority Critical patent/AU2003284796A1/en
Publication of WO2004042186A1 publication Critical patent/WO2004042186A1/fr
Publication of WO2004042186A8 publication Critical patent/WO2004042186A8/fr

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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

Definitions

  • the utility model relates to the protection and strengthening of packers for oilfields, and in particular to a high-pressure and durable packer, which is particularly suitable for oilfield layered water injection, oil and water well jamming, oil and water casing protection, and oil and water well layered plugging. , Layered acidification and delamination. Background technique
  • the purpose of this utility model is to overcome the disadvantages of the prior art and provide a high-pressure durable packer.
  • the utility model relates to a high-pressure and durable packer which is provided with a coil spring at both ends or one end of a single plastic cylinder or a combination of plastic cylinders, so that the plastic cylinder is put on a spiral screw armor (abbreviated as screw armor), so that the strength and service life of the plastic cylinder A substantial increase. Therefore, the high-pressure durable packer according to the present invention is also referred to as a spiral armor packer.
  • a high-pressure durable packer is composed of an upper joint, a rubber cylinder, a central tube, a seat unsealing mechanism, and a lower joint.
  • a cylindrical or conical shape is provided at one or both ends of the cylinder.
  • Spiral spring Preferably, the coil spring is provided with a conical shape.
  • the utility model effectively solves the disadvantage of protruding shoulders of the packer cartridge, thereby protecting the cartridge, improving the ability to seal and withstand high pressure, and extending the isolation. Device life, saving production costs.
  • FIG. 1 is a schematic structural diagram of the present invention. detailed description
  • the high-pressure durable packer is composed of packer components such as an upper joint 1, a cartridge 3, a central tube 4, a seat unsealing mechanism 5, a lower joint 6, and the like.
  • packer components such as an upper joint 1, a cartridge 3, a central tube 4, a seat unsealing mechanism 5, a lower joint 6, and the like.
  • One or both ends are provided with a spring 2.
  • the spring 2 provided at the end of the packer barrel 3 is tapered.
  • the coil spring 2 can be made of steel, has high hardness and strength, and has been anti-corrosion treated. It has strong corrosion resistance.
  • the shape and size of the coil spring 2 are matched with the rubber cylinder 3, and it can be assembled in one or a group of rubber cylinders.
  • the spring 2 can be exposed at the end of the rubber cylinder 3, or the spring 2 can be pressed into the rubber cylinder 3 when the rubber cylinder 3 is made.
  • Spring 3 is installed at the end of the cylinder 3. If the rubber cylinder 3 is subjected to a bidirectional sealing pressure difference, the coil spring 2 must be protected at both ends of the cylinder 3. When the packer cartridge 3 compresses the seat seal, the cartridge 3 expands radially. The coil spring 2 is compressed axially at the same time. At the same time as the axial compression, the coil spring 2 also expands radially. As the axial pressure increases, the spring 2 expands radially until the outer ring of the spring 2 and the downhole casing.

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)
  • Measuring Fluid Pressure (AREA)
  • Gasket Seals (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

Le modèle d'utilité selon l'invention est une garniture d'étanchéité pour hautes pressions. Elle est constituée d'un joint supérieur, d'un tube de caoutchouc, d'un tuyau central, d'un mécanisme de mise en place et de libération et d'un joint inférieur. Une extrémité ou les deux extrémités du tube en caoutchouc sont pourvues d'un ressort hélicoïdal. Cette structure empêche de façon efficace une sortie défavorable de l'épaulement de la garniture d'étanchéité, ce qui protège le tube en caoutchouc, augmente la capacité de cette garniture d'étanchéité à supporter des pressions élevées, prolonge la durée de vie de cette garniture d'étanchéité et en réduit le coût d'utilisation.
PCT/CN2003/000942 2002-11-07 2003-11-07 Garniture d'etancheite pour hautes pressions WO2004042186A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003284796A AU2003284796A1 (en) 2002-11-07 2003-11-07 High-pressure packer with endurance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN02286949.2 2002-11-07
CN02286949U CN2584813Y (zh) 2002-11-07 2002-11-07 一种高压耐久封隔器

Publications (2)

Publication Number Publication Date
WO2004042186A1 true WO2004042186A1 (fr) 2004-05-21
WO2004042186A8 WO2004042186A8 (fr) 2004-08-05

Family

ID=29259208

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2003/000942 WO2004042186A1 (fr) 2002-11-07 2003-11-07 Garniture d'etancheite pour hautes pressions

Country Status (3)

Country Link
CN (1) CN2584813Y (fr)
AU (1) AU2003284796A1 (fr)
WO (1) WO2004042186A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102465683A (zh) * 2010-11-15 2012-05-23 德阳市亨东石油机械设备有限公司 多级封隔桥塞

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847300A (zh) * 2014-02-15 2015-08-19 陕西思锐机电科技有限公司 一种新型复合压缩式封隔器胶筒
CN104265230A (zh) * 2014-07-17 2015-01-07 阜宁县宏达石化机械有限公司 一种油田用井下封隔器和桥塞补偿式密封机构
CN104912513A (zh) * 2015-05-25 2015-09-16 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 一种簧式护肩高温高压扩张式封隔器胶筒
CN105781481A (zh) * 2016-05-04 2016-07-20 长江大学 一种带钢骨架的螺旋式封隔器胶筒
CN116446820B (zh) * 2023-04-27 2023-10-31 盐城市弘通石油机械有限公司 一种尾管顶部封隔器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554240A1 (de) * 1975-12-03 1977-06-16 Smit & Sons Diamond Tools Expansionspacker
SU750041A1 (ru) * 1978-05-04 1980-07-23 Саратовский филиал Специального конструкторского бюро Всесоюзного научно-производственного объединения "Союзгазавтоматика" Пакер
SU905431A1 (ru) * 1980-05-23 1982-02-15 Особое конструкторское бюро по проектированию нефтегазодобывающих машин и оборудования Уплотнительный элемент пакера
CN2282062Y (zh) * 1996-12-24 1998-05-20 王锡来 一种改进封隔器
CN2448916Y (zh) * 2000-09-04 2001-09-19 赵景林 一种热采封隔器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554240A1 (de) * 1975-12-03 1977-06-16 Smit & Sons Diamond Tools Expansionspacker
SU750041A1 (ru) * 1978-05-04 1980-07-23 Саратовский филиал Специального конструкторского бюро Всесоюзного научно-производственного объединения "Союзгазавтоматика" Пакер
SU905431A1 (ru) * 1980-05-23 1982-02-15 Особое конструкторское бюро по проектированию нефтегазодобывающих машин и оборудования Уплотнительный элемент пакера
CN2282062Y (zh) * 1996-12-24 1998-05-20 王锡来 一种改进封隔器
CN2448916Y (zh) * 2000-09-04 2001-09-19 赵景林 一种热采封隔器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102465683A (zh) * 2010-11-15 2012-05-23 德阳市亨东石油机械设备有限公司 多级封隔桥塞

Also Published As

Publication number Publication date
AU2003284796A1 (en) 2004-06-07
CN2584813Y (zh) 2003-11-05
WO2004042186A8 (fr) 2004-08-05

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