CN212311326U - 中深层地热井筛管修复装置 - Google Patents
中深层地热井筛管修复装置 Download PDFInfo
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- CN212311326U CN212311326U CN202022213368.XU CN202022213368U CN212311326U CN 212311326 U CN212311326 U CN 212311326U CN 202022213368 U CN202022213368 U CN 202022213368U CN 212311326 U CN212311326 U CN 212311326U
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- 230000008439 repair process Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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CN202022213368.XU CN212311326U (zh) | 2020-10-07 | 2020-10-07 | 中深层地热井筛管修复装置 |
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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: Screen pipe repair device for medium and deep geothermal wells Effective date of registration: 20230317 Granted publication date: 20210108 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: DONGYING MINGHUI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980035236 |
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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 |
Granted publication date: 20210108 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: DONGYING MINGHUI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980035236 |
|
PC01 | Cancellation 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: Repair device for screen tubes in deep geothermal wells Granted publication date: 20210108 Pledgee: Dongying rural commercial bank Limited by Share Ltd. Dongcheng sub branch Pledgor: DONGYING MINGHUI NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2024980007354 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |