CN215718523U - 一种销式钻杆快速对接装置 - Google Patents
一种销式钻杆快速对接装置 Download PDFInfo
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- CN215718523U CN215718523U CN202121040666.1U CN202121040666U CN215718523U CN 215718523 U CN215718523 U CN 215718523U CN 202121040666 U CN202121040666 U CN 202121040666U CN 215718523 U CN215718523 U CN 215718523U
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- Prior art keywords
- drill rod
- pin
- joint
- butt joint
- drill
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- 210000001503 joint Anatomy 0.000 title claims abstract description 25
- 238000005553 drilling Methods 0.000 title description 6
- 238000003032 molecular docking Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
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CN202121040666.1U CN215718523U (zh) | 2021-05-14 | 2021-05-14 | 一种销式钻杆快速对接装置 |
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CN202121040666.1U CN215718523U (zh) | 2021-05-14 | 2021-05-14 | 一种销式钻杆快速对接装置 |
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CN215718523U true CN215718523U (zh) | 2022-02-01 |
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CN202121040666.1U Active CN215718523U (zh) | 2021-05-14 | 2021-05-14 | 一种销式钻杆快速对接装置 |
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CN (1) | CN215718523U (zh) |
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2021
- 2021-05-14 CN CN202121040666.1U patent/CN215718523U/zh active Active
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231127 Address after: Room J815, 3rd Floor, No. 5358 Huyi Road, Jiading District, Shanghai, June 2018 Patentee after: Zhongji Engineering (Shanghai) Geotechnical Co.,Ltd. Address before: 201806 room j404, 3 / F, No. 5358, Huyi Road, Jiading District, Shanghai Patentee before: Chengdi Construction Group Co.,Ltd. Patentee before: Shanghai chengdixiangjiang Data Technology Co.,Ltd. Patentee before: SHANGHAI CHENGDI ROCK-SOIL DESIGN Co.,Ltd. |
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TR01 | Transfer of patent right |