WELLSCAN

Computer software for creation and analysis of subsurface vertical and directional drilling data, for design, visualization, reporting, collision avoidance, error analysis, creation of directional drilling strategies for oil wells, directional drilling pre-engineering, dynamic modal analysis, time domain analysis, drill string vibration analysis, drilling data analysis, drilling data management, real-time drilling analysis, drilling bit performance analysis, mechanical analysis, 3D modeling of boreholes, wells, hole size, clearance effects, and geological and seismic modeling, assessment of torque, drag and buckling for drilling equipment, casing and drill strings, namely the drill pipe, drill collars, tools and drill bit, computer software for use in geologic surveying in order to prevent bottom hole assembly sag, namely, to prevent the misalignment of the directional sensor with the borehole direction due to deflection of the measurement while drilling drill collar, under gravity; Computer software for use in geologic surveying in order to prevent run sag and well sag, namely, to prevent bottom hole assembly misalignment of the directional sensor with the borehole, well misalignment and run misalignment, computer software for use in polycrystalline diamond compact bit selection for drilling oil wells, drill planning, and for drill string selection and management, namely the selection and management of the correct pipe, drill collars, tools and drill bits for oilfield drilling