CN208364048U - 由多级pdc轴承串联形成的涡轮钻具 - Google Patents
由多级pdc轴承串联形成的涡轮钻具 Download PDFInfo
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- CN208364048U CN208364048U CN201820810415.9U CN201820810415U CN208364048U CN 208364048 U CN208364048 U CN 208364048U CN 201820810415 U CN201820810415 U CN 201820810415U CN 208364048 U CN208364048 U CN 208364048U
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Cited By (1)
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CN108561075A (zh) * | 2018-05-29 | 2018-09-21 | 胜利油田高原石油装备有限责任公司 | 由多级pdc轴承串联形成的涡轮钻具 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108561075A (zh) * | 2018-05-29 | 2018-09-21 | 胜利油田高原石油装备有限责任公司 | 由多级pdc轴承串联形成的涡轮钻具 |
CN108561075B (zh) * | 2018-05-29 | 2024-08-09 | 山东高原油气装备有限公司 | 由多级pdc轴承串联形成的涡轮钻具 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210115 Address after: No.171 Fenhe Road, Dongying District, Dongying City, Shandong Province 257091 Patentee after: Shandong Plateau oil and gas equipment Co.,Ltd. Address before: No. 232, Dongcheng South 1st Road, Dongying District, Dongying City, Shandong Province 257091 Patentee before: SHENGLI OILFIELD HIGHLAND PETROLEUM EQUIPMENT Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhu Xinzhong Inventor after: Lin Chuanhong Inventor after: Man Shouxin Inventor after: Zhu Heng Inventor after: Wu Peixuan Inventor after: Zhang Yonghui Inventor after: Zhang Wenyan Inventor after: Yuan Yide Inventor before: Zhu Xinzhong Inventor before: Zhou Hongbin Inventor before: Lin Chuanhong Inventor before: Man Shouxin Inventor before: Zhu Heng Inventor before: Wu Peixuan Inventor before: Zhang Yonghui Inventor before: Zhang Wenyan Inventor before: Yuan Yide |
|
CB03 | Change of inventor or designer information |