Method and apparatus for engaging an object

Details Method and apparatus for engaging an object Method and apparatus for engaging an object

E - Fixed Constructions

21

B

E21B 31/20 (2006.01)

Patent

CA 2300086

A device (2) for latching onto a downhole object (7) is claimed. The device includes a biasing member (110) disposed about the mandrel (48) and a toilet member (80). The mandrel and the collet member cooperate to form a chamber. A locking member (160) locks the toilet and the mandrel together. The device may further comprise an activation port so that the housing member holds the detent member within a groove. The object may be a stuck downhole tool, a downhole packer, or some other type of apparatus used in the drilling, completion, and/or production of wells. Also disclosed is a method of engaging a downwhole object with the spear device (2).

Cette invention se rapporte à un dispositif (2) conçu pour venir se fixer sur un objet en fond de trou (7). Ce dispositif comprend un élément de sollicitation (110) disposé autour du mandrin (48) et un manchon (80). Le mandrin et le manchon coopèrent pour former une chambre. Un élément de verrouillage (160) verrouille le manchon et le mandrin ensemble. Ce dispositif peut comporter en outre un passage d'actionnement, pour que le logement maintienne l'élément détente dans une rainure. L'objet à rattraper peut être un outil coincé en fond de trou, une garniture d'étanchéité en fond de trou ou tout autre type d'appareil utilisé dans les opérations de forage, de complétion et/ou d'exploitation d'un puits. Cette invention se rapporte également à un procédé de saisie d'un objet en fond de trou à l'aide de ce dispositif rattrape-objet (2).

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