EXTRA-WEIGHT DRILL PIPE (Registered Trademark of Reed Drilling Tools, Inc.)
EXTRA-WEIGHT DRILL PIPE (Registered Trademark of Reed Drilling Tools, Inc.) : Commercial name for a particular manufacturer's heavy weight drill pipe. (Bul D20)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}