Hole Opener Corporation (HOC) offers specialized drilling equipment for underreaming, hole opening, and well abandonment in Louisiana, Texas, The United Kingdom and around the world - both domestically and internationally, as well as logistical and operational services including: pre-well planning, proper tool selection and adaptation of equipment to specific parameters and conditions. Hole Opener Corporation has the proper underreaming equipment to ensure that your wellbore is enlarged to the exact size that you need.