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1. (WO2018084839) POLYCRYSTALLINE DIAMOND COMPACT WITH INCREASED LEACHING SURFACE AREA AND METHOD OF LEACHING A POLYCRYSTALLINE DIAMOND COMPACT

Pub. No.:    WO/2018/084839    International Application No.:    PCT/US2016/060063
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Thu Nov 03 00:59:59 CET 2016
IPC: B24D 18/00
C04B 37/00
C22C 26/00
E21B 10/567
F16C 33/04
Applicants: HALLIBURTON ENERGY SERVICES, INC.
Inventors: ATKINS, William Brian
SAINI, Gagan
COOK III, Grant O.
Title: POLYCRYSTALLINE DIAMOND COMPACT WITH INCREASED LEACHING SURFACE AREA AND METHOD OF LEACHING A POLYCRYSTALLINE DIAMOND COMPACT
Abstract:
The present disclosure provides a sintering assembly and a polycrystalline diamond compact (PDC) including a acid-labile leach-enhancing material, a PDC including cavities formed by removal of an acid-labile leach-enhancing material, and a method of forming a leached PDC using an acid-labile leach-enhancing material. The present disclosure further includes drill bits using PDCs formed suing an acid-labile leach-enhancing material.