CN208619052U - 一种抽油机井防杆柱断脱装置 - Google Patents
一种抽油机井防杆柱断脱装置 Download PDFInfo
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- CN208619052U CN208619052U CN201821080087.8U CN201821080087U CN208619052U CN 208619052 U CN208619052 U CN 208619052U CN 201821080087 U CN201821080087 U CN 201821080087U CN 208619052 U CN208619052 U CN 208619052U
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- thruster
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- 230000000694 effects Effects 0.000 claims description 5
- 239000003129 oil well Substances 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
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CN201821080087.8U CN208619052U (zh) | 2018-07-09 | 2018-07-09 | 一种抽油机井防杆柱断脱装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108625795A (zh) * | 2018-07-09 | 2018-10-09 | 大连坤麟金属制品有限公司 | 一种抽油机井防杆柱断脱装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108625795A (zh) * | 2018-07-09 | 2018-10-09 | 大连坤麟金属制品有限公司 | 一种抽油机井防杆柱断脱装置 |
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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 |
Denomination of utility model: A device for preventing rod column from breaking off in a pumping unit Effective date of registration: 20220812 Granted publication date: 20190319 Pledgee: Dalian Rural Commercial Bank Co., Ltd. Development Zone Sub-branch Pledgor: DALIAN KUNLIN METAL PRODUCT Co.,Ltd. Registration number: Y2022980012478 |
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PE01 | Entry into force 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: 20231027 Granted publication date: 20190319 Pledgee: Dalian Rural Commercial Bank Co.,Ltd. Development Zone Sub branch Pledgor: DALIAN KUNLIN METAL PRODUCT Co.,Ltd. Registration number: Y2022980012478 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |