Piston Corer

The piston corer takes between 3 and 8 metres of undisturbed samples from soft and/or muddy sediment.

  • Modular 3, 5, 6 and 8 metre Piston Corers
  • Corer drops in free fall from a limited height
  • System comprises: 
    Launch and recovery chute
    Release trigger mechanism
    Hydrostatic safety pin release
    Tulip type core catcher
  • Capable of obtaining continuous 84mm diameter samples
  • Water depths down to 4,000 metres
  • Suitable for obtaining samples in most marine sediments
  • An integral piston arrangement improves sample quality
  • Samples suitable for geological logging
  • All types of index/classification tests can be performed
  • Basic strength and consolidation tests can
    also be undertaken
  • Storage basket can hold up to 67 x 1m samples vertically
 Piston corer

 

 

 

 

 

 

 

 

 

 

 

 

 

 TECHNICAL SPECIFICATIONS

  • Barrel Length Options 

 3, 5, 6 or 8m
  • Water Depth Rating

Subject to deployment system down to 4,000m
  • Weight 

0.44 - 0.75 Tonnes
  • Penetration Range

 3 - 8m

   
APPLICATIONS

  • Pipeline route surveys 
  • Site assessment surveys 
  • Pre-dredge geotechnical surveys
  • Shallow penetration sampling 
  • Calibration of surficial geophysical data 
  • Geochemical sampling surveys 
  • Reclamation quality control
  • Nearshore site investigations
  • Mineral exploration
  • Cable route surveys
  • Microbial hydrocarbon exploration


TYPICAL VESSEL REQUIREMENTS

  • Crane or ‘A’ frame of sufficient capacity for safe launch and recovery
  • Ability to hold station
  • Minimum deck area of 16-40m2 dependant on barrel size

 

Download brochure

© Gardline Marine Sciences. Registered office: Endeavour House, Admiralty Road, Great Yarmouth, Norfolk, NR30 3NG.
Registered in England No. 02571313, VAT No. 640 4800 66