Abstract: A hydraulic drilling system and method for drilling a borehole from a wellbore are disclosed. The system comprises a whipstock that is selectively rotatable about the central long axis of the work string, for repositioning the whipstock exit radially, without extracting the whipstock or the workstring from the wellbore. The system includes an extendable and contractible second work string for absorbing any axial forces on the work string. The system may also include a positional measurement device and the distal end of the drill tubing may be selectively steerable. The system may be used to drill a plurality of boreholes from the same wellbore. In one aspect of the method, an earth measurement device and/or an earth manipulation device is placed downhole.

Abstract: A hydraulic drilling system and method for drilling a borehole from a wellbore are disclosed. The system comprises a whipstock that is selectively rotatable about the central long axis of the work string, for repositioning the whipstock exit radially, without extracting the whipstock or the workstring from the wellbore. The system includes an extendable and contractible second work string for absorbing any axial forces on the work string. The system may also include a positional measurement device and the distal end of the drill tubing may be selectively steerable. The system may be used to drill a plurality of boreholes from the same wellbore. In one aspect of the method, an earth measurement device and/or an earth manipulation device is placed downhole.

Abstract: A hydraulic drilling system and method for drilling a borehole from a wellbore are disclosed. The system comprises a whipstock that is selectively rotatable about the central long axis of the work string, for repositioning the whipstock exit radially, without extracting the whipstock or the workstring from the wellbore. The system includes an extendable and contractible second work string for absorbing any axial forces on the work string. The system may also include a positional measurement device and the distal end of the drill tubing may be selectively steerable. The system may be used to drill a plurality of boreholes from the same wellbore. In one aspect of the method, an earth measurement device and/or an earth manipulation device is placed downhole.

Abstract: A hydraulic drilling system and method for drilling a borehole from a wellbore are disclosed. The system comprises a whipstock that is selectively rotatable about the central long axis of the work string, for repositioning the whipstock exit radially, without extracting the whipstock or the workstring from the wellbore. The system includes an extendable and contractible second work string for absorbing any axial forces on the work string. The system may also include a positional measurement device and the distal end of the drill tubing may be selectively steerable. The system may be used to drill a plurality of boreholes from the same wellbore. In one aspect of the method, an earth measurement device and/or an earth manipulation device is placed downhole.