Patents by Inventor Jacques J. Orban

Jacques J. Orban 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).

  • Downhole weight-on-bit control for directional drilling
    Patent number: 5421420
    Abstract: Directional drilling is achieved by a weight-on-bit control mechanism that is attached to a drill bit having asymmetrical cutters. A valve in the mechanism temporarily interrupts or bypasses mud flow toward the bit to correspondingly change the downward force acting thereon during a portion of each revolution. The bit will drill preferentially on that side of the bottom surface of the borehole where the downward force is increased, and thereby cause the borehole to curve in an azimuthal direction on such side.
    Type: Grant
    Filed: June 7, 1994
    Date of Patent: June 6, 1995
    Assignee: Schlumberger Technology Corporation
    Inventors: David L. Malone, Jacques J. Orban