E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 23/00 (2006.01) E21B 23/02 (2006.01) E21B 23/04 (2006.01) E21B 34/14 (2006.01)
Patent
CA 2188540
The invention allows downhole shifting of one or more sleeves, having the same or different dimensions, while running a running tool on coiled tubing. The power stroker feature anchors the running tool to the body of the sleeve housing for proper orientation. Hydraulic pressure is used to stroke the sleeve. A feedback feature is provided to determine from the surface whether the sleeve has fully shifted. The stroking components are resettable upon withdrawal of hydraulic pressure and an emergency shear release is also provided.
L'invention concerne le déplacement, au fond du trou, d'un ou plusieurs manchons coulissants (10) présentant des dimensions indentiques ou différentes, lors de la mise en place d'un outil de pose sur un tube de production hélicoïdal. Cet outil à percussion hydraulique permet d'ancrer l'outil de pose sur le corps du carter (14) du manchon afin de l'orienter correctement. La pression hydraulique sert à faire avancer le manchon par percussion. Un système de rétroaction permet de déterminer depuis la surface le déplacement complet du manchon. Les éléments à percussion repassent à l'état initial lors du retrait de la pression hydraulique et un débrayage d'urgence en cas de cisaillement est également prévu.
Constantine Jesse J. Jr.
Mireles Hector H. Jr.
Baker Hughes Incorporated
Sim & Mcburney
LandOfFree
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