CN106522879B - 爪片胶筒封隔式大通径桥塞 - Google Patents
爪片胶筒封隔式大通径桥塞 Download PDFInfo
- Publication number
- CN106522879B CN106522879B CN201611131167.7A CN201611131167A CN106522879B CN 106522879 B CN106522879 B CN 106522879B CN 201611131167 A CN201611131167 A CN 201611131167A CN 106522879 B CN106522879 B CN 106522879B
- Authority
- CN
- China
- Prior art keywords
- cone
- packing element
- calvus
- sets
- rubber skeleton
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000012856 packing Methods 0.000 title claims abstract description 48
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 210000000078 claw Anatomy 0.000 claims abstract description 12
- 210000003781 tooth socket Anatomy 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 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
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/134—Bridging plugs
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)
- Sealing Devices (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611131167.7A CN106522879B (zh) | 2016-12-09 | 2016-12-09 | 爪片胶筒封隔式大通径桥塞 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611131167.7A CN106522879B (zh) | 2016-12-09 | 2016-12-09 | 爪片胶筒封隔式大通径桥塞 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106522879A CN106522879A (zh) | 2017-03-22 |
CN106522879B true CN106522879B (zh) | 2018-12-18 |
Family
ID=58342927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611131167.7A Active CN106522879B (zh) | 2016-12-09 | 2016-12-09 | 爪片胶筒封隔式大通径桥塞 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106522879B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108457618B (zh) * | 2018-03-21 | 2020-03-24 | 中国石油集团渤海钻探工程有限公司 | 一种柔性压裂桥塞用固定架 |
CN111577199B (zh) * | 2020-05-11 | 2023-01-06 | 中国石油天然气股份有限公司 | 一种具有防出砂功能的压裂用桥塞及其使用方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4614346A (en) * | 1982-03-12 | 1986-09-30 | The Gates Rubber Company | Inflatable unitary packer element having elastic recovery |
US6578638B2 (en) * | 2001-08-27 | 2003-06-17 | Weatherford/Lamb, Inc. | Drillable inflatable packer & methods of use |
CN201661269U (zh) * | 2010-08-20 | 2010-12-01 | 中国石油集团西部钻探工程有限公司 | 自锁式封隔器 |
CN102022092B (zh) * | 2010-11-20 | 2013-07-31 | 中国石油集团西部钻探工程有限公司 | 裸眼封隔器及与其配合使用的开孔工具 |
CN203808925U (zh) * | 2014-05-02 | 2014-09-03 | 王作义 | 自封式超膨胀热采封隔器 |
CN104265235B (zh) * | 2014-09-15 | 2017-06-30 | 四机赛瓦石油钻采设备有限公司 | 一种液压坐封大通径可取式插管封隔器 |
CN204877376U (zh) * | 2015-07-17 | 2015-12-16 | 中国石油集团西部钻探工程有限公司 | 压裂用桥塞 |
CN206280046U (zh) * | 2016-12-09 | 2017-06-27 | 中国石油集团西部钻探工程有限公司 | 爪片胶筒封隔式大通径桥塞 |
-
2016
- 2016-12-09 CN CN201611131167.7A patent/CN106522879B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN106522879A (zh) | 2017-03-22 |
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SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201110 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |
|
TR01 | Transfer of patent right |