Device of a test plug

Details Device of a test plug Device of a test plug

E - Fixed Constructions

21

B

E21B 33/134 (2006.01)

Patent

CA 2684473

A plug (20) is described for carrying out tests of a well (30), a pipe or the like, comprising an explosive charge (55) with an activation mechanism (50, 51, 53) and which is detonated to remove the plug when the test is completed, and the plug is characterised in that the explosive charge elements are arranged internally in the plug. The plug preferably comprises a boring (54) that holds said explosive charge (55) with the activation mechanism, and it can alternatively comprise two or more borings (54) for the placing of a corresponding number of explosive charges (55) with activation mechanisms. The explosive charge (55) with ignitor (56) and ignition pin (57) is preferably arranged in the plug boring (54) while the other parts (50, 51, 53) of the activation mechanism are integrated in the wall of the pipe bundle (10) that holds the plug.

L'invention concerne un bouchon (20) permettant de réaliser des tests dans un puits (30), un tuyau ou analogue. Ce bouchon comprend une charge explosive (55) pourvue d'un mécanisme d'activation (50,51,53) et destinée à être détonée pour retirer le bouchon une fois que le test est terminé. Le bouchon selon l'invention se caractérise en ce que les éléments de charge explosive sont disposés à l'intérieur du bouchon. Le bouchon comprend de préférence un alésage (54) contenant la charge explosive (55) pourvue du mécanisme d'activation ou il peut comprendre en variante au moins deux alésages (54) permettant le placement d'un nombre correspondant de charges explosives (55) pourvues de mécanismes d'activation. La charge explosive (55) pourvue d'un allumeur (56) et d'une tige d'allumage (57) est disposée de préférence dans l'alésage (54) du bouchon et les autres parties (50,51,53) du mécanisme d'activation sont intégrées dans la paroi du faisceau de tuyaux (10) qui contient le bouchon.

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