A well tool (100) for use in cleaning a well of fluids and debris characterized by one or more wiper elements (30) for swabbing the wellbore and internal passageways (11, 15) and valves (70, 72) in the tool, permitting forward and reverse fluid circulation through the tool to bypass the wiper elements.
申请公布号
EP2459842(A2)
申请公布日期
2012.06.06
申请号
EP20100742346
申请日期
2010.07.27
申请人
WELLBORE ENERGY SOLUTIONS, LLC
发明人
TRAHAN, KEVIN, O.;KNOBLOCH, BENTON;ROY, TODD;BOLIVAR, JAVIER, E.
