发明名称 METHOD AND APPARATUS FOR CLOSING OR SECURING A WELL
摘要 The invention relates to a method and a device for sealing a borehole from which oil discharges uncontrolled. Thereby, a hull is filled with cement and the cement mass is lowered around a cone-shaped pipe so that the cone-shaped pipe is simultaneously fixated and also sealed.
申请公布号 EP2582908(A2) 申请公布日期 2013.04.24
申请号 EP20110729561 申请日期 2011.06.20
申请人 KRECKE, EDMOND D. 发明人 KRECKE, EDMOND D.
分类号 E21B33/00 主分类号 E21B33/00
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