CN203081428U - 一种旋转状态下测量钻具角度位置的磁栅单元盘、磁栅码盘及装置 - Google Patents
一种旋转状态下测量钻具角度位置的磁栅单元盘、磁栅码盘及装置 Download PDFInfo
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- CN203081428U CN203081428U CN 201220739905 CN201220739905U CN203081428U CN 203081428 U CN203081428 U CN 203081428U CN 201220739905 CN201220739905 CN 201220739905 CN 201220739905 U CN201220739905 U CN 201220739905U CN 203081428 U CN203081428 U CN 203081428U
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CN 201220739905 CN203081428U (zh) | 2012-12-30 | 2012-12-30 | 一种旋转状态下测量钻具角度位置的磁栅单元盘、磁栅码盘及装置 |
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CN 201220739905 CN203081428U (zh) | 2012-12-30 | 2012-12-30 | 一种旋转状态下测量钻具角度位置的磁栅单元盘、磁栅码盘及装置 |
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Cited By (1)
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CN103899299A (zh) * | 2012-12-30 | 2014-07-02 | 中国石油化工股份有限公司 | 一种旋转状态下测量钻具角度位置的装置 |
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CN103899299A (zh) * | 2012-12-30 | 2014-07-02 | 中国石油化工股份有限公司 | 一种旋转状态下测量钻具角度位置的装置 |
CN103899299B (zh) * | 2012-12-30 | 2016-08-10 | 中国石油化工股份有限公司 | 一种旋转状态下测量钻具角度位置的装置 |
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Effective date of registration: 20151211 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Well-Drilling Technology Inst., Shengli Petroleum Administration, SINOPEC |
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Granted publication date: 20130724 Effective date of abandoning: 20160810 |
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AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20160810 |
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C25 | Abandonment of patent right or utility model to avoid double patenting |