Patents by Inventor Kalimuthu Krishnamoorthy

Kalimuthu Krishnamoorthy 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).

  • Method of and system for optimizing rate of penetration in drilling operations
    Patent number: 6155357
    Abstract: A method of and system for optimizing bit rate of penetration while drilling substantially continuously determine an optimum weight on bit necessary to achieve an optimum bit rate of penetration based upon measured conditions and maintains weight on bit at the optimum weight on bit. As measured conditions change while drilling, the method updates the determination of optimum weight on bit.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: December 5, 2000
    Assignee: Noble Drilling Services, Inc.
    Inventors: Charles H. King, Mitchell D. Pinckard, Kalimuthu Krishnamoorthy, Denise F. Benton