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US 2024/0229573 A9Published application
Centralizer for downhole probes
AssigneeBaker Hughes Canada Company
InventorsAaron W. LOGAN, Justin C. LOGAN, Patrick R. DERKACZ
Life of this patent
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Abstract
An assembly for use in subsurface drilling includes a downhole probe supported by a centralizer. The centralizer comprises a tubular member that extends around the downhole probe. A wall of the centralizer is fluted to provide inward contact points that support the downhole probe and outward contact points that bear against a bore wall of a section of drill string. The downhole probe may be supported for substantially its entire length.
Claims1
A downhole assembly comprising:
- a drill string section having a bore extending longitudinally through the drill string section, the bore having a bore diameter;
- a downhole probe located in the bore of the section;
- and
- a centralizer in the bore, the centralizer comprising a plurality of tubular members, each of the tubular members having a wall extending around the downhole probe, the wall formed to contact an inside surface of the bore and an outside surface of the downhole probe, a cross-section of the wall following a path around the downhole probe that zig zags back and forth between the outside surface of the downhole probe and the inside surface of the bore wall;
- wherein the tubular members in an uninstalled configuration have outermost points lying on a circle with a circle diameter larger than the bore diameter.
2 more elements
Dependencies are inferred from the claim text.