Aqualock Soil Sampler
The patented Aqualock thin-walled piston corer is a unique, fast and reliable sampling technique for soft and alluvial soils.
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The patented Aqualock system, which can be defined as a thin-walled piston corer for sonic drilling, is a unique method:
- Fastest and most reliable sampling technique for alluvial soils
- Premium quality whole sample, obtained in minutes
- Continuous coring or targeted coring (drilling and then sampling just at the target depth) without the need for casing
- Valve-driven piston system
- Holding the carrot by vacuum
- Extracting the core using the piston
The Aqualock core barrel is first filled with water, which locks the piston in the lower section of the cutting assembly. During sonic drilling, the Aqualock remains filled with water (which is incompressible), holding the piston in place and allowing the core barrel to descend to the desired depth until you decide to take a sample. The piston is unlocked by inserting push rods (unthreaded) into the drill string, which opens the valve (at the top) and releases the piston so that it can freely rise with the core, thereby providing a complete, intact sample even in very loose soil (silt, wet sand, gravel, etc.).
The thrust rods are then removed, causing the valve to close and thereby creating a vacuum to hold the sample in place while the Aqualock is being removed. The core can then be extracted by injecting high-pressure water into the core barrel head (combined with vibration if necessary) to push the piston and extract the sample. The piston also prevents any contact between the water and the sample.
APPLICATIONS
- Geotechnics
- Mineral Exploration
- Environmental drilling
- Sewage drilling / Well installation
- Archaeological Surveys