Producing catalyst-free PDC cutters

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United States of America Patent

PATENT NO 12042868
APP PUB NO 20210370396A1
SERIAL NO

17336637

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Abstract

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Cutters for a downhole drill bit can be formed by providing a catalyst-free synthesized polycrystalline diamond (PCD) having a cross-sectional dimension of at least 8 millimeters; providing a substrate comprising tungsten carbide; and attaching the synthesized PCD to the substrate comprising tungsten carbide to form a PDC cutter.

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Patent Owner(s)

Patent OwnerAddress
SAUDI ARABIAN OIL COMPANYP O BOX 5000 DHAHRAN 31311

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gooneratne, Chinthaka Pasan Dhahran, SA 74 314
He, Duanwei Chengdu, CN 10 20
Li, Bodong Dhahran, SA 82 300
Moellendick, Timothy E Dhahran, SA 39 177
Xu, Jianhui Dhahran, SA 50 157
Zhan, Guodong Dhahran, SA 107 2323

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