Technical Services
High quality hard rock coring, using wireline retrievable triple-lube techniques, for geotechnical evaluation of a mine shaft site in Nevada.
DOSECC Exploration Services, LLC (DES) is dedicated to providing technical services for natural resource exploration and engineering applications.
Our services include:
- Diamond Wireline Coring
- Soft Sediment Coring
- Geotechnical Services
Geotechnical Services
DES foucses on the collection and analysis of high quality continuous core samples for mining, oil and gas, and geotechnical applications.
- Hard rock coring
- Continuous coring of unconsolidated sediment from lakes and shallow marine settings
- Cone penetrometery
- Standard penetration testing
Continuous core samples can be provided to the clients geotechnical labortory or analyzed on site in a mobible laboratory. Typical analyses include:
Active heave compensated drilling system aboard the R/V Knorr off the coast of New Jersey.
CS1500 rig on barge, collecting unconsolidated sediments on Lake Titicaca, Bolivia
- Lithologic logging
- Photography
- Grain size distribution
- Liquid limit / plastic limit
- Binocular microscope description
- Multi-sensor analysis
- magnetic susceptibilty
- electrical resistivity
- sonic velocity
- gamma ray attenuation (bulk density)
- natural gamma
- core imaging
- Consolidation tests
- Triaxial shear tests
- Direct shear tests
- Cyclic shear tests
- Direct simple shear tests
- Water content
- Pocket Penetrometer
- Triaxial stress path tests
- Comparison with CPT measurements
- Other specialty tests upon request
Core sample
CS500 Driling Rig aboard drilling barge, Englebright Lake, California