hydraulic cutter Articles

  • The Experts’ Views of Horizontal Hydraulic Auger Dredging

    I attended the 42nd Texas A & M University dredging short course in January 2013. Despite the mountain of excellent information I gleaned from the course, I was disappointed that my dredging field wasn’t featured. Horizontal hydraulic auger dredging ...


    By SRS Crisafulli, Inc.

  • Four Major Benefits of Horizontal Hydraulic Auger Dredges

    Horizontal hydraulic auger dredging has been around for nearly 50 years, but remains the unknown stepchild of the dredging world. That may be changing as environmental dredging becomes more prominent. Horizontal hydraulic auger dredges are ideal for environmental projects for several reasons. First, horizontal hydraulic auger dredges are small. I know everybody wants bigger, but small has ...


    By SRS Crisafulli, Inc.

  • Case Study - GTD’s new EW4 PDC Cutters Deliver Excellent Results in East Siberian Oilfield Drilling.

    Drill Bit: 8.5” diameter, vertical bit. | PDC Cutters: GTD EW4 R1313 mm | Location: East Siberia | Results: 1,438 meters depth, ROP range 23-25 m/hr | Following significant investment in research and development, GTD have manufactured a new grade of PDC cutter, EW4, with exceptional abrasion resistant and toughness. GTD EW4 has a significant comparative ...

  • Hydraulic Dredging: A cost effective solution for most dredging tasks

    The vast majority of dredging jobs require removal of solids to depths of 30 feet or less. Several features enable hydraulic dredges to be the solution of choice for these applications. First, what are hydraulic dredges and how do they compare with alternative mechanical dredge types? Hydraulic dredges create slurries, combinations of solids and water, pump the slurries to the ...


    By SRS Crisafulli, Inc.

  • Case study - Maritza

    Location: Bulgaria Year: 2006 Dragflow dredging pump HY300 with Hydraulic ...


    By Dragflow S.r.l.

  • Case study - maritza

    Location: Bulgaria Year: 2006 Dragflow dredging pump HY300 with Hydraulic ...


    By Dragflow North America

  • Case study - copper tailings reclamation

    Location: Batu Hijau, Indonesia Year: 2005 Dragflow Dredge equipped with HY85 and Hydraulic cutters Copper tailings reclamation in an Indonesian ...


    By Dragflow S.r.l.

  • Case study - dam dredging

    Location: Italia - Sicilia Year: 2008 Dam cleaning Dragflow HY85 with cutters driven by an hydraulic ...


    By Dragflow S.r.l.

  • Case study - dam dredging

    Location: Italia - Sicilia Year: 2008 Dam cleaning Dragflow HY85 with cutters driven by an hydraulic ...


    By Dragflow North America

  • Case study - copper tailings reclamation

    Location: Batu Hijau, Indonesia Year: 2005 Dragflow Dredge equipped with HY85 and Hydraulic cutters Copper tailings reclamation in an Indonesian ...


    By Dragflow North America

  • Case study - sand dredging

    Location: Poland Year: 2010 Sand dredging - Hydraulic submersible pump HY85 coupled with cutters EXHY20 and handled through the hydraulic circuit of the earth-moving ...


    By Dragflow North America

  • Case study - sand dredging

    Location: Poland Year: 2010 Sand dredging - Hydraulic submersible pump HY85 coupled with cutters EXHY20 and handled through the hydraulic circuit of the earth-moving ...


    By Dragflow S.r.l.

  • Case study - SAIPEM off shore dredging

    Location: Baku, Azerbaijan Year: 2007 Off shore platform Working context Petroleum fixed steel platforms are used to extract petroleum from the bottom of the sea. The problem Remove sand and silt around the platform jacket. An application for deep sea and high depth dredging. Working depth: ...


    By Dragflow S.r.l.

  • Case study - SAIPEM off shore dredging

    Location: Baku, Azerbaijan Year: 2007 Off shore platform Working context Petroleum fixed steel platforms are used to extract petroleum from the bottom of the sea. The problem Remove sand and silt around the platform jacket. An application for deep sea and high depth ...


    By Dragflow North America

  • Case study - dredge with ladder

    Location: Ukraina Year: 2010 Dredge with ladder DRS085/160E22EF Dragflow pump HY85/160B with cutters EXHY20 and High Pressure Water Jet-Ring Hydraulic power pack electric driven with complete control board in the operator cabin Dredging depth about 10m Discharge distance up to 700m ...


    By Dragflow North America

  • Case study - dredge with ladder

    Location: Ukraina Year: 2010 Dredge with ladder DRS085/160E22EF Dragflow pump HY85/160B with cutters EXHY20 and High Pressure Water Jet-Ring Hydraulic power pack electric driven with complete control board in the operator cabin Dredging depth about 10m Discharge distance up to 700m ...


    By Dragflow S.r.l.

  • Case Study - Pumping inerts

    Location: Spain Year: 2009 Working Context description In northern Spain the high speed railway system is developing fast. Due to the conformation of the ground the project involves the construction of bridges and tunnels. Material extracted during tunnel excavation is recovered in treatment plant to be further processed. The ...


    By Dragflow S.r.l.

  • Case study - pumping inerts

    Location: Spain Year: 2009 Working Context description In northern Spain the high speed railway system is developing fast. Due to the conformation of the ground the project involves the construction of bridges and tunnels. Material extracted during tunnel excavation is recovered in treatment plant to be further processed. ...


    By Dragflow North America

  • Compact fragmentising machines for user-orientated solutions

    MERCODOR GmbH Sondermaschinenbau KG has been manufacturing custom-made fragmentising machines for volume reduction and recycling for 30 years. In particular, the compact design of the fragmentisers allows decentralised use under difficult local conditions. Besides traditional areas of use, such as fragmenting production residues and waste in the form of wood, paper, glass, metal chips, food ...

  • Dredging Short Courses

    By Eric Lillberg, SRS Crisafulli Senior Applications Engineer When I first started as an applications engineer for SRS Crisafulli, I searched for information on the subject of dredging. I was surprised to find there was very little non-commercial content available. I have since found a pair of short courses, offered annually by Texas ...


    By SRS Crisafulli, Inc.

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