Patents Assigned to BecField Horizontal Drilling Services Company
  • Horizontal drilling method and apparatus
    Patent number: 5042597
    Abstract: A method and apparatus for drilling highly deviated wells is disclosed. A drilling assembly is attached to a drill string. The drilling assembly includes a bent sub, a pony collar attached to the bent sub, a motor with a bent housing, and a bit. Improved survey collars and bits are also disclosed.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: August 27, 1991
    Assignee: Becfield Horizontal Drilling Services Company
    Inventors: William A. Rehm, Thomas D. Trunk, Timothy D. Baseflug, Steve L. Cromwell, Grady A. Hickman, Ralph D. Nickel, Michael S. Lyon
  • Directional well control
    Patent number: 4938298
    Abstract: A method and apparatus for prediction of the turn rate of a deviated well is disclosed. The turn rate is determined by collecting data for interference, bend length, and rate of turn from a variety of drilled wells. Using regression technique, turning rate is then expressed as a linear function of the ratio of interference to bend length.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: July 3, 1990
    Assignee: BecField Horizontal Drilling Services Company
    Inventor: William A. Rehm