Build-And-Hold Wellbore : A wellbore configuration where the inclination is increased to some terminal angle of inclination and maintained at that angle to the specified target. (Bul D20)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}