CN210829108U - 一种用于大曲率井眼施工用的柔性短节 - Google Patents
一种用于大曲率井眼施工用的柔性短节 Download PDFInfo
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CN112922538A (zh) * | 2021-01-26 | 2021-06-08 | 山东源运通矿山装备科技有限公司 | 地质钻杆 |
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CN112922538A (zh) * | 2021-01-26 | 2021-06-08 | 山东源运通矿山装备科技有限公司 | 地质钻杆 |
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Effective date of registration: 20200713 Address after: 405-5, floor 4, No. 8, Sijiqing Road, Haidian District, Beijing 100000 Patentee after: Beijing intico Technology Service Co.,Ltd. Address before: 257000 No. two, 233 South Road, Shandong, Dongying Patentee before: Shandong Kerui Petroleum Technology Co.,Ltd. |
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Effective date of registration: 20221221 Address after: 257000 south two road, Dongying District, Dongying, Shandong Province, No. 233 Patentee after: Shandong Kerui Petroleum Technology Co.,Ltd. Address before: 405-5, Floor 4, No. 8, Sijiqing Road, Haidian District, Beijing Patentee before: Beijing intico Technology Service Co.,Ltd. |
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