发明申请
US20100175882A1 Subsea Internal Riser Rotating Control Device System and Method 有权
海底内立管旋转控制装置系统及方法

Subsea Internal Riser Rotating Control Device System and Method
摘要:
An RCD is used to provide a system and method for sealing a marine riser having a rotatable tubular. A bypass internal channel or external line may be used to allow fluid to bypass the RCD seal. An RCD seal assembly seal could be a mechanically extrudable seal or a hydraulically expanded seal to seal the RCD with the riser.
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