Patents Assigned to Anglo Suisse, Inc.
  • Directional drilling system and method for drilling precise offset wellbores from a main wellbore
    Patent number: 5115872
    Abstract: A directional drilling apparatus for drilling offset wellbores from a main borehole using a steering tool to orient a guidance tool body and wherein the tool body has a pair of angularly intersecting passageways including a first smaller passageway that communicates with a packer, and a second larger passageway that cradles a smaller drill string for drilling the offset boreholes and wherein the smaller drill string will not fit in the first smaller passageway.
    Type: Grant
    Filed: October 19, 1990
    Date of Patent: May 26, 1992
    Assignee: Anglo Suisse, Inc.
    Inventors: Charles G. Brunet, Gilles E. Labbee, Jay W. McGee