Directional Boring, often undifferentiated from Horizontal Directional Drilling (HDD), is a minimal impact trenchless method of installing underground pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground bore path by using a surface-launched drilling rig. – wiki
Horizontal Directional Drilling Equipment And Procedures
Horizontal directional drilling (HDD) becomes as a favorite crossing method in many situations for the installation of oil and gas pipelines as well as other utilities and transposition of obstacles. In all cases it is necessary to ensure the quality of pipeline design and construction/installation. The quality level of HDD section should required using the same criteria involving the entire pipeline project or other segment of the pipeline standard.
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