Dan Belnap resumes & CV records
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Dan L Belnap, 965461 Quaking Aspen Dr, Salt Lake City, UT 84123
Dan Belnap Phones & Addresses
5461 Quaking Aspen Dr, Murray, UT 84123 801-2632690 801-2626771
Salt Lake City, UT
West Jordan, UT
1123 Park Palisade Dr, South Jordan, UT 84095
Ocoee, FL
Preston, ID
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Us Patents
Toughness Optimized Insert For Rock And Hammer Bits
US Patent:
6651757, Nov 25, 2003
Filed:
May 16, 2001
Appl. No.:
09/858857
Inventors:
Dan Belnap - Pleasant Grove UT
Nathan Anderson - Pleasant Grove UT
Michael A. Siracki - The Woodlands TX
Sujian Huang - The Woodlands TX
Nathan Anderson - Pleasant Grove UT
Michael A. Siracki - The Woodlands TX
Sujian Huang - The Woodlands TX
Assignee:
Smith International, Inc. - Houston TX
International Classification:
E21B 1000
US Classification:
175374, 1754202, 175426, 175434
Abstract:
An insert for a drill bit is disclosed which includes an exposed surface having a contact portion adapted to periodically contact earthen formation. The contact portion includes a polycrystalline diamond material having a hardness in the range of about 2000 HV to about 3000 HV. In some embodiments, the polycrystalline diamond material includes a composite having a first phase material including polycrystalline diamond and a second phase material selected from the group of oxide particulates metal carbides, and metallic particulates, nitrides, and mixtures of thereof.
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