Directional Drilling
 

The use of Horizontal Directional Drilling (HDD) was developed to install utility pipes and cables beneath or around a variety of surface obstacles including roads, rivers and railways. The technology was conceived in the 1970's combining techniques used by road boring as well as oil and gas directional drilling. HDD's are relatively compact and have a small footprint that allows the equipment to be set up in relatively tight spaces such as the boulevard of a roadway.

Advantages of Horizontal Directional Drilling

  • Requires only a small two-person crew and the crew labour is minimal.
  • Set-up time is short
  • Provides a simple and effective way of obtaining sub-surface soil samples and site characterization.
  • The drills are relatively compact and have a small footprint that allows the equipment to be set up in relatively tight spaces.
  • Available are also larger drills that can be used for larger pipe sizes.  The distance capabilities of the larger drills can span up to 300 metres and the largest pipe used can be .85 cm in diameter.


     
     
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