发明名称 ENHANCED RAM-STYLE RISER TENSIONER CYLINDER
摘要 In accordance with embodiments of the present disclosure, a ram-style riser tensioner cylinder assembly includes an outer cylinder barrel and an inner rod barrel disposed within and extending in a first direction from the outer cylinder barrel. The cylinder assembly also includes a high pressure seal disposed along a sliding interface between an end of the inner rod barrel and an inner wall of the outer cylinder barrel. In addition, the cylinder assembly includes a cap coupled to an end of the inner rod barrel extending from the outer cylinder barrel, and a fluid reservoir disposed in the cap. The fluid reservoir may be used to store and communicate fluid from the fluid reservoir to the high pressure seal for lubricating the seal.
申请公布号 NO20151595(A1) 申请公布日期 2016.05.23
申请号 NO20150001595 申请日期 2015.11.23
申请人 DRIL-QUIP, INC. 发明人 ELLIS FIFE B;HAFERNIK STEVEN M
分类号 E21B19/00 主分类号 E21B19/00
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