CN205679193U - 直立移运钻机转盘与地面井口的对正检测装置 - Google Patents
直立移运钻机转盘与地面井口的对正检测装置 Download PDFInfo
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Publication number | Priority date | Publication date | Assignee | Title |
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CN107938729A (zh) * | 2018-01-02 | 2018-04-20 | 沈阳建筑大学 | 一种检测护筒埋设位置的装置及其核校方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107938729A (zh) * | 2018-01-02 | 2018-04-20 | 沈阳建筑大学 | 一种检测护筒埋设位置的装置及其核校方法 |
CN107938729B (zh) * | 2018-01-02 | 2023-04-11 | 沈阳建筑大学 | 一种检测护筒埋设位置的装置及其核校方法 |
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Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210108 Address after: 721002 No.2 Dongfeng Road, Jintai District, Baoji City, Shaanxi Province Patentee after: BAOJI OILFIELD MACHINERY Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC national oil and gas drilling equipment Engineering Technology Research Center Co.,Ltd. Address before: 721002 No. 2 Dongfeng Road, Shaanxi, Baoji Patentee before: Baoji Oilfield Machinery Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 |