CN206439022U - 一种多活塞可反洗式封隔器 - Google Patents
一种多活塞可反洗式封隔器 Download PDFInfo
- Publication number
- CN206439022U CN206439022U CN201720023962.8U CN201720023962U CN206439022U CN 206439022 U CN206439022 U CN 206439022U CN 201720023962 U CN201720023962 U CN 201720023962U CN 206439022 U CN206439022 U CN 206439022U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- piston
- backwash
- ring
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 210000000078 claw Anatomy 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 21
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 14
- 238000011001 backwashing Methods 0.000 abstract description 9
- 239000000243 solution Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 210000000707 wrist Anatomy 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
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- Sealing Devices (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720023962.8U CN206439022U (zh) | 2017-01-10 | 2017-01-10 | 一种多活塞可反洗式封隔器 |
Applications Claiming Priority (1)
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CN201720023962.8U CN206439022U (zh) | 2017-01-10 | 2017-01-10 | 一种多活塞可反洗式封隔器 |
Publications (1)
Publication Number | Publication Date |
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CN206439022U true CN206439022U (zh) | 2017-08-25 |
Family
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Family Applications (1)
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CN201720023962.8U Expired - Fee Related CN206439022U (zh) | 2017-01-10 | 2017-01-10 | 一种多活塞可反洗式封隔器 |
Country Status (1)
Country | Link |
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CN (1) | CN206439022U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110566144A (zh) * | 2019-09-27 | 2019-12-13 | 中石化石油工程技术服务有限公司 | 防漏失冲砂方法及冲砂管柱 |
CN118242016A (zh) * | 2024-05-27 | 2024-06-25 | 西安思坦仪器股份有限公司 | 一种电动可反洗封隔器 |
-
2017
- 2017-01-10 CN CN201720023962.8U patent/CN206439022U/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110566144A (zh) * | 2019-09-27 | 2019-12-13 | 中石化石油工程技术服务有限公司 | 防漏失冲砂方法及冲砂管柱 |
CN110566144B (zh) * | 2019-09-27 | 2021-08-17 | 中石化石油工程技术服务有限公司 | 防漏失冲砂方法及冲砂管柱 |
CN118242016A (zh) * | 2024-05-27 | 2024-06-25 | 西安思坦仪器股份有限公司 | 一种电动可反洗封隔器 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multi piston washable packer Effective date of registration: 20201028 Granted publication date: 20170825 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI DINGHE YUANRUI ENVIRONMENTAL ENGINEERING Co.,Ltd. Registration number: Y2020990001259 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211112 Granted publication date: 20170825 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: SHAANXI DINGHE YUANRUI ENVIRONMENTAL ENGINEERING CO.,LTD. Registration number: Y2020990001259 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 |