Patents by Inventor Harrie OORT

Harrie OORT has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stabilizer-reamer for drill string
    Patent number: 10323462
    Abstract: Stabilizer-reamer for drilling string characterized in that it comprises a mixture of diamond impregnated inserts, the mixture comprising cutting diamond impregnated inserts and wear resistant diamond impregnated inserts, said wear resistant diamond impregnated inserts having smaller diamond grain size and higher diamond concentration than said cutting diamond impregnated inserts.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: June 18, 2019
    Assignee: FASTIP SA
    Inventors: Robert Delwiche, Harrie Oort, Nicholas Biggs, Etienne Lamine
  • STABILIZER-REAMER FOR DRILL STRING
    Publication number: 20170198527
    Abstract: Stabilizer-reamer for drilling string characterized in that it comprises a mixture of diamond impregnated inserts, the mixture comprising cutting diamond impregnated inserts and wear resistant diamond impregnated inserts, said wear resistant diamond impregnated inserts having smaller diamond grain size and higher diamond concentration than said cutting diamond impregnated inserts.
    Type: Application
    Filed: May 20, 2015
    Publication date: July 13, 2017
    Applicants: DIAROTECH S.A., AURORA BIT CONSULTANCY LTD
    Inventors: Robert DELWICHE, Harrie OORT, Nicholas BIGGS, Etienne LAMINE