水下油井设备着陆指示器和锁定指示器（英文）

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	英文篇名：Subsea well equipment landing indicator and locking indicator 中文刊名：GWCJ 英文刊名：World Well Logging Technology 出版日期：2019-04-15 出版单位：国外测井技术 年：2019 期：v.40;No.230 语种：英文; 页：GWCJ201902009 页数：1 CN：02 分类号：11

摘要

<正>专利申请号:GB201813802公开号:GB2563166A申请日:2017.02.13公开日:2018.12.05申请人:AKER SOLUTIONS AS;A subsea well equipment landing body comprising an indicator assembly to indicate landing of the landing body or to indicate locking of the landing body. The indicator assembly has a stem bore, a sliding stem within the stem bore that has a stem head protruding beyond an external face of the landing
        

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