发明名称 |
AN APPARATUS FOR SEALING OFF A PART OF A WALL IN A SECTION DRILLED INTO AN EARTH FORMATION, AND A METHOD FOR APPLYING THE APPARATUS |
摘要 |
<p>The invention relates to an apparatus for sealing off a part of a wall (5) in a section (6) drilled into an earth formation and to be placed in such section (6), where said apparatus comprises elongate members (1) arranged along a closed curve, where adjacent elongate members (1) are connected via intermediate links (2), each link (2) being moveable from an unlocked position to a locked position. The invention further relates to a method for applying such an apparatus comprising the steps of:—positioning an apparatus in collapsed configuration in a section (6) drilled into an earth formation with a the wall (5) to be sealed off;—expanding a net or cage in the apparatus, which net or cage is formed by elongate members (1) connected by intermediate links (2);—expanding a flexible member (3) arranged at an outer diameter of the apparatus to seal against the wall (5).</p> |
申请公布号 |
EP2507469(A1) |
申请公布日期 |
2012.10.10 |
申请号 |
EP20100794924 |
申请日期 |
2010.12.02 |
申请人 |
MAERSK OIL QATAR A/S |
发明人 |
HEIJNEN, WILHELMUS HUBERTUS PAULUS MARIA |
分类号 |
E21B33/12;E21B33/127;E21B43/10 |
主分类号 |
E21B33/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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