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Availability: Rental

Oceaneering Deepwater Pile Dredge

Available for rental/hire from Ashtead Technology - the Oceaneering Deepwater Pile Dredge

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The Oceaneering Deepwater Pile Dredge is an electrically-driven system with pumps that provide water jetting and suction to excavate piles at any depth. The jetting provides a 360° pattern to fluidize the soil inside the pile, and then suction pumps remove the soil from the pile.

The Deepwater Pile Dredge is a deep sea dredging system that utilizes a Subsea Hydraulic Power Unit (SHPU) to power the suction and high volume centrifugal pumps. The SHPU contains two electric motors that power hydraulic pumps providing pressure and flow to the hydraulic system. There are three hydraulic motors that are powered which drive the centrifugal pumps. Two of the centrifugal pumps extract soil and debris from the pile, and the third pump provides high pressure water for the jetting operations.

  • Rated up to 10,000 ft depth
  • Soil removal capacity up to 3,200 gpm
  • Jetting capacity up to 1,700 gpm at 100 psi
  • Removes soil plugs from piles and discharges into the water column
  • Tool consists of: SHPU, main body, suction/ jetting head
  • Electrically driven from topside via umbilical
  • Controlled and operated via topside control station
  • Suction pile / anchor installation
  • Suction pile / anchor removal