trenchless drilling Terms beginning with "H"

• H2S
• Hammer Testing
• Hand Crank
• Hand Excavation
• Hand Shield
• Hand Tunneling
• Hand Wheel
• Hard Rock Drilling
• Hardpan
• Hat Liner Packer
• Hazardous Material Container
• HDB
• HDD
• HDD
• HDPE
• Heading
• Headwall
• Headwaters
• Heat Exchanger Surface
• Heave
• Heaving
• Heavy HDD Rig
• Heavy Wall Pipe
• Helicoid
• Helix Angle
• HGL
• HIC
• High Density Polyethylene (HDPE)
• High Pump Pressure
• High-Pressure Plug
• Highway Drain
• Holding Tank
• Hole Deviation (msHD, msID)
• Hole Deviation Log
• Holiday
• Holistic Repair
• Hoop Stress
• Horizontal Auger Boring
• Horizontal Deviation (msHD)
• Horizontal Directional Drilling (HDD)
• Horizontal Earth Boring
• Horizontal Earth Boring Machine
• Horizontal Rotary Drilling
• Host Pipe
• House Connection
• House Connection Manhole
• Hum Detector
• Hydraulic Capacity
• Hydraulic Cleaning
• Hydraulic Gradient (HGL)
• Hydraulic Jack
• Hydraulic Pipe Ramming
• Hydraulic Radius
• Hydraulic Radius Calculation
• Hydraulic Radius Equation
• Hydro Excavation
• Hydro Hammer
• Hydro-Jetting
• Hydrofracture
• Hydrogen Blistering
• Hydrogen Induced Cracking (HIC)
• Hydrogen Stress Cracking
• Hydrogen Sulfide (H2S)
• Hydrolock
• Hydrostatic Design Basis (HDB)
• Hydrostatic Test
• Hydrovac Excavation