Patents Represented by Attorney Windstead Sechrest & Minick P.C.
  • Patent number: 6158516
    Abstract: Method and apparatus for drilling, completion, well workovers and well control, combining an integrated lifting unit and a coiled tubing unit, the method and apparatus permit running jointed pipe and coil tubing in combination, and standing multiple joints of pipe near the unit. The invention combines a hydraulic pipe hoisting system, pipe handling systems and pipe racking containment apparatus. A hydraulic workover jack is combined with a multifunction injector head and a standpipe for fluid circulation. The invention may also include a rotary table for rotating pipe and/or a rotating power swivel to allow fluid circulation during pipe rotation. Also included are a gin pole, a winching system for jointed pipe, and a traveling head with traveling slips and stationary slips to allow pipe movement in the well. Hydraulic systems allow insertion and extraction of tools in a work string.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: December 12, 2000
    Assignee: Cudd Pressure Control, Inc.
    Inventors: Michael L. (Lee) Smith, Leslie D. (Dale) Skinner, Charles C. (Curtis) Overstreet