发明名称 DOWNHOLE TOOL STRING FOR PLUG AND ABANDONMENT BY CUTTING
摘要 The present invention relates to a downhole plug and abandonment system (100) for a well (105), comprising a first well tubular metal structure (101a) having a wall, a second well tubular metal structure (101b) having a wall, the second well tubular metal structure being arranged inside the first well tubular metal structure, the well tubular metal structures having longitudinal extensions and being arranged in a borehole (104) of a well, a packer (350) arranged between the first well tubular metal structure and the second well tubular metal structure defining an annular space (351) above the packer, a first plug (106) arranged in the second well tubular metal structure dividing the second well tubular metal structure into a first part (107) and a second part (108), the first part being closest to a top of the well, and a cement plug (270) arranged in the first part on top of the packer and the plug. Furthermore, the present invention relates to a downhole plug and abandonment method.
申请公布号 WO2016170048(A1) 申请公布日期 2016.10.27
申请号 WO2016EP58886 申请日期 2016.04.21
申请人 WELLTEC A/S 发明人 KRÜGER, Christian
分类号 E21B29/00;E21B29/12;E21B33/13;E21B33/134 主分类号 E21B29/00
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