Reamer with polycrystalline diamond compact inserts

Details Reamer with polycrystalline diamond compact inserts Reamer with polycrystalline diamond compact inserts

E - Fixed Constructions

21

B

E21B 10/26 (2006.01)

Patent

CA 2720870

Reamers for use in core-sample drilling having PDC inserts and methods for using the reamers with PDC inserts are described. A reamer with PDC inserts may be used to maintain borehole diameters, reduce deviation, and/or stabilize drill strings used in core sample drilling. The PDC inserts may be of different sizes and shapes and may be arranged around the reamer in various ways.

Linvention concerne des alésoirs pour forage de carottage munis de trépans PDC, et leurs méthodes d'utilisation. Un alésoir à trépans PDC peut être utilisé pour maintenir des diamètres de trous de forage, réduire une déviation et/ou stabiliser des trains de tiges employés dans un forage de carottage. Les trépans PDC peuvent présenter différentes tailles et formes et peuvent être disposés autour de l'alésoir de différentes façons.

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