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发明名称
SECTION OF A RISER PROVIDED WITH A LOCKING RING ARRANGED BETWEEN THE MAIN TUBE AND THE AUXILIARY TUBE
摘要
The invention also relates to a riser consisting of several sections (4) and to the use of the riser for carrying out an offshore drilling operation.
申请公布号
EP3140494(A1)
申请公布日期
2017.03.15
申请号
EP20150717858
申请日期
2015.04.16
申请人
IFP Énergies nouvelles
发明人
PERSENT, Emmanuel;SAEEDI, Navid;PAPON, Gerard;ROGUET, Eleonore
分类号
E21B17/08
主分类号
E21B17/08
代理机构
代理人
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地址
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