发明名称 Solid rubber packer for a rotating control device
摘要 A seal assembly for use with a rotating control head is provided. The seal assembly includes a rotatable member and a cavity formed between the rotatable member and a tubular radially inwardly disposed from the rotatable member. The cavity having a first surface and a second surface. The seal assembly further includes a seal member having a first end and a second end disposed between the first surface and the second surface of the cavity and sealable with the tubular between the first and the second ends due to deformation of the seal member.
申请公布号 US7779903(B2) 申请公布日期 2010.08.24
申请号 US20050123329 申请日期 2005.05.06
申请人 WEATHERFORD/LAMB, INC. 发明人 BAILEY THOMAS F.;CHAMBERS JAMES W.;GRAVOUIA MARK F.
分类号 E21B19/00;E21B33/08 主分类号 E21B19/00
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