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专利名称:WELL COMPLETION METHOD发明人:SCHUH F,US申请号:US3791448D申请日:19721211公开号:US3791448A公开日:19740212
摘要:A downhole well tool having at least one aperture therein for communicationbetween the interior and exterior thereof and means for sealably opening and closingsaid aperture, the means for opening said aperture having means for receiving an openingplug, the opening plug being adapted to receive a bypass wiper, and the means forclosing the aperture being adapted to receive a shutoff plug. A well completion methodutilizing the tool above-described wherein residual liquid outside the tool is removed bypassing a second liquid into the interior of the tool, through the aperture of the tool, andup the annulus between the tool and the wellbore. The second liquid is followed by athird liquid. The third liquid is displaced into said annulus through said aperture bycement, after which the tool is closed.
申请人:ATLANTIC RICHFIELD CO,US
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