CN210105745U - 一种高效率旋转冲击提速钻具 - Google Patents
一种高效率旋转冲击提速钻具 Download PDFInfo
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- CN210105745U CN210105745U CN201920948925.7U CN201920948925U CN210105745U CN 210105745 U CN210105745 U CN 210105745U CN 201920948925 U CN201920948925 U CN 201920948925U CN 210105745 U CN210105745 U CN 210105745U
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113669010A (zh) * | 2021-07-28 | 2021-11-19 | 淮安市井神钻采机具有限公司 | 高转速大扭矩螺杆钻具 |
CN116025274A (zh) * | 2023-03-07 | 2023-04-28 | 甘肃省地质矿产集团有限公司 | 锚索的打孔装置及其打孔方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113669010A (zh) * | 2021-07-28 | 2021-11-19 | 淮安市井神钻采机具有限公司 | 高转速大扭矩螺杆钻具 |
CN116025274A (zh) * | 2023-03-07 | 2023-04-28 | 甘肃省地质矿产集团有限公司 | 锚索的打孔装置及其打孔方法 |
CN116025274B (zh) * | 2023-03-07 | 2023-11-03 | 甘肃省地质矿产集团有限公司 | 锚索的打孔装置及其打孔方法 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20230911 Address after: 062650 Qingxian Economic Development Zone, Cangzhou City, Hebei Province Patentee after: HEBEI SILUOTE PETROLEUM SPECIAL TUBE MANUFACTURING Co.,Ltd. Address before: 062650 Qingxian Economic Development Zone, Cangzhou City, Hebei Province Patentee before: HEBEI LISEN PETROLEUM MACHINERY CO.,LTD. |
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TR01 | Transfer of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high-efficiency rotary impact acceleration drilling tool Granted publication date: 20200221 Pledgee: Industrial and Commercial Bank of China Limited Qingxian Branch Pledgor: HEBEI SILUOTE PETROLEUM SPECIAL TUBE MANUFACTURING Co.,Ltd. Registration number: Y2024980033053 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |