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Injection Lance for sonic drilling
Injection Lance for sonic drilling

Injection Lance

The Royal Eijkelkamp Injection Lance is fitted with a chisel type cone in which a spring retained large valve is mounted. The valve is kept closed by a spring and by the pressure of the groundwater surrounding the chisel. The valve will only open when pressure is applied larger than the pressure of spring, groundwater and (liquefied) soil together.

  • Applicable for several purposes
  • Higher working speed
  • Perfect combination with a drilling rig


Sonic vibrations allow, in many cases, a very rapid penetration of formations. This lets you install many wells or sensors in only a short period of time. When you need to inject a liquid on a site, an even higher working speed is applicable since there is nothing to install! When an even distribution of the liquid in the penetrated formation is essential, many drillings per hectare are needed. That is a perfect task for a Sonic drilling rig in combination with this Injection Lance.

Application examples

  • Remediation projects: Injection of liquids that initiate or stimulate remediation processes.
  • General drilling jobs: Filling up of a borehole with a bentonite grout after soil sampling.
  • Geoconstruction.

available products:

  • SD2000209 Injection Lance
  • SD2000210 Injection Lance spare part set



Injection Lance
With of the valve-fitted chisel 3.15 in (80 mm)
Avalible for casing GP63 (O.D.x I.D.= 2.76x1.57 in (70x40 mm))
Mike Epley

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