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Apparatus for sealing off a part of a wall in a section drilled into an earth formation, and a method for applying the apparatus
Apparatus for sealing off a part of a wall in a section drilled into an earth formation, and a method for applying the apparatus
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机译:用于封闭在钻入土层中的部分中的墙壁的一部分的设备以及应用该设备的方法
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摘要
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).
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