Comparison of Pipeline Drilling Methods: Bores, HDDs & Direct Pipes [Gaille Energy Blog Issue 75]

  • Posted by scottgaille
  • On September 24, 2018
  • 0 Comments
  • Boring, Direct Pipe, HDD
Over the course of their construction, pipelines encounter many obstacles that require the use of subsurface tunnels. ┬áSuch tunnels enable the pipeline to pass beneath roadways, railroads, rivers, and environmentally sensitive areas without disturbing them. There are three principal methods of constructing pipeline tunnels: (1) conventional boring, (2) horizontal directional drills, and (3) direct pipe […]
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