Rig Source Inc. is an international dealer offering new, used and rental drilling equipment, as well as parts and service. Current offerings may be seen on the Rig Source website.
Geokon’s Model 4820 Jackout Pressure Cell is designed for installation in diaphragm walls, to monitor soil pressure on the back of the wall as excavation proceeds.
This review is intended as a fundamental guide to various aspects of the technology, including drilling methodologies, flushing, drill hole deviation, monitoring and specifications.