High Side of Hole : Opposite side of the hole from the low side, the low side being determined by the force of gravity, and on which side a free length of pipe would rest. (Bul D20)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}