Directionally drilled coal boreholes of known location and trajectory can verify the location, and/or non-presence, of abandoned mines and their workings to permit safe mining by the active mine without the hazard of unexpected inundation of water or gases from the abandoned mine.

Eliminates CM Test Drilling

TD has been an industry leader in applying accurately placed directionally drilled coal boreholes for 24 years recognized by MSHA and State Mining Regulatory Agencies

Served on PA Governor Schweiker's QueCreek Commission after the near QueCreek Disaster