Patents Represented by Attorney Fleit Gibbons Gutman Gongini & Bianco PL

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  • Directional drilling control
    Patent number: 7510031
    Abstract: A down-hole drilling assembly (12, 16) and control system (120) therefor, for directional drilling including a bent housing of a bottom hole assembly (18), utilizing a gearbox (102) to derive a higher speed (about 600 r.p.m.) rotational drive (104) from the drill string (10) to drive a drilling bit (20) via an electromagnetic clutch (110, 112) controlled by the control system (120) such that the clutch balances reaction torque when the orientation angle of the bent housing is correct.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: March 31, 2009
    Assignee: Russell Oil Exploration Limited
    Inventors: Michael King Russell, Colin Walker