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Brevet Année : 2012

Directional Drilling Tool

Stéphane Menand
  • Fonction : Auteur
  • PersonId : 898795


Directional drilling tool (13, 14) comprising a cutting structure formed of blades on which there are cutting edges (13) and a guard (11) that stabilizes the tool against the wall of the well (3), characterized in that the guard comprises a plurality of passive pivoting blades (16) each of which can pivot about a pivot pin (18) inserted in the guard (12) near its boundary with the cutting structure under the action of thrusting and/or damping members, so that when the pivoting blades (16) are in their nominal position, the guard (12) of the tool (1, 14) exhibits a substantially cylindrical shape
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Dates et versions

hal-00796292 , version 1 (03-03-2013)


  • HAL Id : hal-00796292 , version 1


Stéphane Menand. Directional Drilling Tool. European Union, Patent n° : EP2012/055000. 2012, pp.11. ⟨hal-00796292⟩
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