发明名称 EXPANSION PIG
摘要 A tool for radially expanding casing having a tool body that includes a proximal end, a distal end, and an outer surface. The tool includes at least one hydraulic channel disposed axially. The at least one hydraulic channel transmits hydraulic pressure from behind the expansion tool forward in the direction of travel of the expansion tool.
申请公布号 WO2006041842(A2) 申请公布日期 2006.04.20
申请号 WO2005US35682 申请日期 2005.10.04
申请人 HYDRIL COMPANY;SIVLEY, ROBERT S., IV 发明人 SIVLEY, ROBERT S., IV
分类号 E21B43/10 主分类号 E21B43/10
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