ROV/AUV Mounted Sediment Corer now available from OSIL

UK-based Ocean Scientific International Ltd (OSIL) have announced the release of an innovative new sediment corer designed to be mounted to the skids of ROVs or AUVs.

 

The self-contained system will allow sediment samples to be collected during routine ROV operations and can be daisy chained together to allow multiple core assemblies to be installed as one system.  The assemblies are powered and controlled by the customers own skid control unit and have been pressure tested for use in depths of up to 1200m, with deeper units currently in development.

 

The design is based around the industry standard multiple (multi) corer, and each assembly recovers a 400mm sample containing 300mm sediment and 100mm supernatant water. Disturbance of the sample is minimal as the core tubes seal after sampling to preserve the sediment/water interface, and the rate of penetration can be adjusted to suit environmental conditions.

 

Each complete assembly weighs approximately 12kg in air and exerts a downward penetration force of up to ~15kg. On recovery the core tubes can be recovered and replaced swiftly, and can either be sampled directly, or frozen and sampled subsequently.

 

OSIL’s precision engineering facilities allowed a development prototype to be demonstrated to the customer before the final design specification was agreed.

 

For further information or sales enquiries please contact: sales@osil.com or call +44 (0) 2392 488 240.

OSIL supply unique Modular Multiple Corer for Papua New Guinea project

International seabed sampling specialists Ocean Scientific International Ltd have shipped a uniquely modified version of the industry standard Multiple Corer to Australia for use in a project in a remote location of Papua New Guinea.

 

The corer has been converted into a modular design to allow it to be transported by helicopter. The frame can easily be broken down into 2 stackable pieces that allows the overall shipping height of the corer to be greatly reduced, and enables quick reassembly of the system ready for deployment.

 

The hydrostatically damped Multi Corer is constructed from stainless steel and features detachable core assemblies, which enables the core tubes (or if necessary the entire core tube assembly) to be removed from the corer for analysis or storage. The core tubes are sealed top and bottom once the sample has been taken, allowing rapid retrieval of the corer without jeopardizing sample integrity.

 

The corer will be used to provide seabed sediment samples for benthic fauna and geochemical analysis, as part of an environmental monitoring program for a mining project. The OSIL corers are capable of collecting up to 12 samples simultaneously, which include a high-quality undisturbed sediment sample and the overlying supernatant water, making them ideal candidates for use in environmental assessments.

The corers are available in a 600mm or 800mm length core tube specification. Delivery times for the corers and spares are low, meaning last minute cruises can be catered for and systems can be kept in constant use for many years.

 

OSIL have an abundance of global experience in the construction and operation of a wide range of sediment coring equipment.  OSIL also offer a full design, build and implementation service for all of their heavy offshore equipment.

 

 

 

For further information or sales enquiries please contact: sales@osil.com or call +44 (0) 2392 488 240.