A 3D demo of a well bore expander using Parallelgraphic's Jet applet (a Java based VRML scene renderer).

This tool is used to enlarge a borehole as it is being drilled. It features a fixed blade (blue) and a traveling blade (purple). The traveling blade is shielded behind the fixed blade while tripping into the hole and is actuated just prior to drilling.

Directions:

To see the demo, click on load scene  and wait a second.



Navigation:

To move forward/backward drag your mouse forward or backward over the 3D window.
To roll the object drag your mouse left/right over the 3D window.
To turn the object drag your mouse over the 3D window while holding the right button.
To pan the object drag your mouse over the 3D window while holding the SHIFT key.