PROTECTIVE SYSTEM AND CHEMICAL AGENTS FOR LEACHING POLYCRYSTALLINE DIAMOND ELEMENTS AND FOR RECOVERY OF LEACHED MATERIALS

The disclosure provides to a PDC element protective system including a mask configured to protect a non-leached portion of a leached polycrystalline diamond compact (PDC) element during a leaching process. The mask may be formed from or coated with polytetrafluoroethylene (PTFE). The disclosure also...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KATARIA, BHUPINDER KUMAR, WELLS, CARL EDWARD, ALMOND, STEPHEN W, LADI, RAM L
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FERROUS OR NON-FERROUS ALLOYS FIXED CONSTRUCTIONS METALLURGY MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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