CN207226886U - 钻机防碰系统自检装置 - Google Patents
钻机防碰系统自检装置 Download PDFInfo
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- CN207226886U CN207226886U CN201721136748.XU CN201721136748U CN207226886U CN 207226886 U CN207226886 U CN 207226886U CN 201721136748 U CN201721136748 U CN 201721136748U CN 207226886 U CN207226886 U CN 207226886U
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CN201721136748.XU CN207226886U (zh) | 2017-09-06 | 2017-09-06 | 钻机防碰系统自检装置 |
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CN201721136748.XU CN207226886U (zh) | 2017-09-06 | 2017-09-06 | 钻机防碰系统自检装置 |
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CN207226886U true CN207226886U (zh) | 2018-04-13 |
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CN201721136748.XU Active CN207226886U (zh) | 2017-09-06 | 2017-09-06 | 钻机防碰系统自检装置 |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201029 Address after: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 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: Baoji City, Shaanxi Province, 721002 Dongfeng Road, Jintai District No. 2 Patentee before: Baoji Oilfield Machinery Co.,Ltd. |