Cable-Tool Drilling : A method of drilling a well by allowing a weighted bit at the bottom of a cable to fall against the formation being penetrated. See: Rotary Drilling. (Bul 10C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}