DRILLING SERVICES

Geotechnology provides complete drilling services and innovative solutions to difficult drilling issues. Experienced personnel, superior equipment, geotechnical and environmental expertise, and project management capabilities combine to form a professional and cost-effective Drilling Technical Group. The firm operates a large fleet of well-maintained and fully-equipped rigs operated by licensed, highly-trained and experienced drillers. An extensive inventory of backup and support equipment is also maintained.

The Drilling Technical Group has provided services on hundreds of complex geotechnical and environmental projects, including work at numerous hazardous waste sites requiring personal protection up to Level "B". Our drilling teams also have extensive overwater drilling and sampling experience on rivers, contaminated ponds and lagoons.

 

Subsurface Exploration

Subsurface exploration of active railroad tunnel Foundations and earthen structures Materials exploration and evaluation Aquifer testing Resource exploration Grouting Soil Sampling, rock coring and In Situ testing Soil and groundwater contamination assessment Instrumentation installation Floating platform drilling Soil / Gas monitoring Contaminated and noncontaminated sites Certified for level “B” drilling Monitoring and recovery well installation and decommissioning Potholing for identification/location of buried utilities or structures

Equipment

Drill rig hoisted on shafts Ten truck, track and ATV-mounted drills with automatic hammers and angle Hole capabilities Solid stem augers and oversized hollow stem augers Coring and reaming tools Downhole air hammer Direct-Push Sampling equipment Specialized and In Situ testing equipment Pumps and grout plants Support vehicles and trailers Generators and remote support equipment Decontamination equipment Hazardous materials handling equipment Protective clothing and safety equipment

Truck Mount Drill Rigs

Truck-mounted CME 85 drill Truck-mounted CME 85 drill with 20,000 ft-lbs of torque and 42,000 lbs of retract power. Rig is equipped with automatic Standard Penetration Test hammer and hydraulic auger breakout system Two truck-mounted, high-torque CME 55 drills with automatic Standard Penetration Test hammer Truck-mounted CME 55 drill with automatic Standard Penetration Test hammer and angle hole drilling capability Truck-mounted high torque CME 75 drill with automatic hammer Truck-mounted Mobile B-57 drill with automatic Standard Penetration Test hammer

All-Terrain Drill Rigs

D-50 track rig equipped for low clearance CME 750x all-terrain drill rig equipped with an automatic hammer, quick-detach mast and high torque rotary box High torque CME 55 drill with automatic Standard Penetration Test hammer and low clearance drilling capability, mounted on a CME-300 remote-controlled tracked carrier CME 550 all-terrain vehicle mounted drill with automatic Standard Penetration Test hammer and angle hole drilling capability Diedrich D-50 drill mounted on a rubber-tracked carrier and equipped for low clearance (12 ft.) drilling