Resumes & CV records
Resumes
Roy Estes
Roy Estes
Roy Estes
Roy Estes
Roy Estes
Roy K Estes Deceased617 S Waxahachie St, Midlothian, TX 76063
Roy Estes Phones & Addresses
617 S Waxahachie St, Mansfield, TX 76063 (817) 473-3704
Burleson, TX
Grand Prairie, TX
Selma, AL
Mentions for Roy K Estes
Publications & IP owners
Us Patents
Sharp Gage For Mill Tooth Rockbits
US Patent:
6186250, Feb 13, 2001
Filed:
Apr 1, 1999
Appl. No.:
9/282951
Inventors:
Roy Estes - Fort Worth TX
Assignee:
Rock Bit International, Inc. - Fort Worth TX
International Classification:
E21B 1050
E21B 1016
E21B 1016
US Classification:
175374
Abstract:
A design for a gage tooth of the milled tooth variety is provided. The gage facing surface of each tooth is shaped so that only a narrow surface of each tooth contacts the borehole wall. Adjacent areas on each tooth slope away from the wall. The narrow gage facing surfaces, the sloping areas, and other areas are all covered with a suitable hard metal facing material.
One Cone Rotary Drill Bit Featuring Enhanced Grooves
US Patent:
6167975, Jan 2, 2001
Filed:
Apr 1, 1999
Appl. No.:
9/282950
Inventors:
Roy Dee Estes - Fort Worth TX
Assignee:
Rock Bit International, Inc. - Fort Worth TX
International Classification:
E21B 1008
US Classification:
175331
Abstract:
A one cone drill bit is equipped with multiple jet flow guiding grooves along the cone. The multiple grooves connects to a circular groove axially centered on the nose end portion of the cone. The circular groove sweep the cuttings and mud flow across the drilled face and up the well borehole.
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