Tool centralizer

Details Tool centralizer Tool centralizer

E - Fixed Constructions

21

B

166/71

E21B 17/10 (2006.01)

Patent

CA 1164336

ABSTRACT OF THE DISCLOSURE A device for centralizing a tool in a drill hole includes a hollow/ generally cylindrical casing which contains an elongated cavity and a plurality of flexible fingers extending outwardly from the casing for properly positioning the casing in a drill hole. In use, the device is attached to a drill string beneath a tool to be centralized. The casing is defined by two threadedly interconnected elements, which together define the elongated cavity, with a rod slidable in the cavity. The rod includes holes for receiving the fingers. By pressing the rod downwardly in-the cavity, the fingers are jammed against the bottom edges of aper- tures in the bottom tubular element. Thus, the device is relatively simple, and can readily be assembled and disassembled.

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