Drilling Methods and Procedures for Environmental Investigations

Drilling Methods and Procedures for Environmental Investigations

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Drilling Methods and Procedures for
Environmental Investigations


This course will assist in identifying factors that influence the appropriate drilling technology for selection by the environmental professional performing various groundwater and/or soil investigations. The course will discuss the various site conditions that are likely to be encountered in the NE region of the United States and the special considerations that must be considered for drilling technology selection. Techniques such as jetting, sonic drilling, dual rotary drilling, cable tool or percussion drilling, down the hole hammer drilling will be discussed in addition to the traditional methods such as direct push, air rotary, mud rotary, and others.

Topics Include:
Identifying Factors that Influence Appropriate Drilling Technology:  Drilling Technologies | Well Completion | Well Development

Factors that Influence Drilling Technology:  Rock Formation | Water Depth | Resources (Equipment, Skilled Labor, Well Construction, Water) | Budget | Schedule

Drilling Methods:  Jetting | Auger Drilling | Cable Tool or Percussion | Rotary – (Bit Types/ Mud Rotary / Air Rotary) | Down-The-Hole Hammer | Reverse Circulation | Dual Rotary | Sonic

Location:  Equipment Size | Topography, Current/Future Land Use | Structures in Area

Well Completion:  Regulations and Guidelines for Well Construction | Best Practices | Typical Well Construction (Diagram and Description) | Casing | Screen | Gravel Pack | Grouting

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