CN213205586U - 伸缩短钻铤 - Google Patents
伸缩短钻铤 Download PDFInfo
- Publication number
- CN213205586U CN213205586U CN202021945361.0U CN202021945361U CN213205586U CN 213205586 U CN213205586 U CN 213205586U CN 202021945361 U CN202021945361 U CN 202021945361U CN 213205586 U CN213205586 U CN 213205586U
- Authority
- CN
- China
- Prior art keywords
- ring
- mandrel
- sealing ring
- outer cylinder
- locking
- 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.)
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- 238000007789 sealing Methods 0.000 claims description 114
- 230000005540 biological transmission Effects 0.000 claims description 23
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 229910001149 41xx steel Inorganic materials 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021945361.0U CN213205586U (zh) | 2020-09-08 | 2020-09-08 | 伸缩短钻铤 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021945361.0U CN213205586U (zh) | 2020-09-08 | 2020-09-08 | 伸缩短钻铤 |
Publications (1)
Publication Number | Publication Date |
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CN213205586U true CN213205586U (zh) | 2021-05-14 |
Family
ID=75844512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021945361.0U Active CN213205586U (zh) | 2020-09-08 | 2020-09-08 | 伸缩短钻铤 |
Country Status (1)
Country | Link |
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CN (1) | CN213205586U (zh) |
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2020
- 2020-09-08 CN CN202021945361.0U patent/CN213205586U/zh active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240520 Address after: 3rd Floor, Shuixuan Mingyuan, No. 7, South 1st Lane, Tazhi East Road, Korla City, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region, 841000 Patentee after: XINJIANG SINOPETROLEUM ENGINEERING Co.,Ltd. Country or region after: China Patentee after: Xinjiang Xinneng Huayou Technology Service Co.,Ltd. Address before: 841000 4th floor, shuixuan Mingyuan, No.7, nanqixiang, Tazhi East Road, Korla City, Bayingolin Mongolian Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG SINOPETROLEUM ENGINEERING Co.,Ltd. Country or region before: China |