Use of liquid metal filters in forming matrix drill bits

US9089903B2 · kind B2 · utility

Assignee

• Halliburton Energy Services, Inc. · US

Inventors

• Jeffrey G. Thomas · Magnolia, US
• Clayton A. Ownby · Houston, US
• Ron Joy · Katy, US
• Gary E. Weaver · Conroe, US
• Seth Garrett Anderle · Spring, US

Key dates

• Filing date: Nov 15, 2013
• Grant date: Jul 28, 2015
• Expiry date: Nov 21, 2033

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B22F5/007
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Of the many embodiments provided, one embodiment is a drill bit mold assembly comprising: a mold having a bottom and at least one side; a core centrally disposed within the mold; and a filter disposed above the bottom of the mold and within a space formed between the at least one side of the mold and the core.