Directional Technologies had a perfect solution for this contamination problem at a busy intersection: Install the wells blind, without exit points at the far side of the roadway.
Not a typical radius of influence for a horizontal well which is usually 80’ to 120’ perpendicular to each side of the well screen.
Where chlorinated solvents are the issue, horizontal wells enable soil vapor extraction (or multiple in situ chemical oxidation injections) and provide subslab depressurization with appropriately sized/controlled blower systems.
Directional Technologies assists Samsung Corporation with innovative horizontal remediation well installation for the Yongsan District “Dream Hub” Project in Seoul, South Korea.
Faced with a variety of subslab problems, environmental managers are turning to horizontal drilling technology.
Aggressive removal of dense non-aqueous phase liquid (DNAPL) tetrachloroethylene (PCE) and trichloroethylene (TCE) under an active manufacturing facility is the objective of an electrical resistance heating (ERH) system that was installed using horizontal drilling.
Directional Technologies designed/installed each air sparge well to deliver approximately 2 pounds per minute of oxygen to the subsurface, or a total of 4 pounds per minute.
Aggressive removal of dense non-aqueous liquid (DNAPL) phase tetrachloroethylene (PCE) and trichloroethylene (TCE) under and active manufacturing facility is the objective of an electrical resistance heating (ERH) system that was installed using horizontal drilling.
Bentonite-based drilling fluid is hydrated ex situ and yields prior to commencing directional drilling; and
bentonite is a component of the directional drilling mud system, not the sole component.
On Sept. 13th 2001, Kathy Sequino’s telephone rang. It was the New York Department of Transportation.
77 N. Plains Industrial Road
Wallingford, CT 06492
Over 5,000 Horizontal Remediation Wells Installed Worldwide
NAICS Codes: 237990 Heavy Equipment & Horizontal Drilling • 237110 Water & Sewer Line and Related • 541620 Environmental Consulting Services for HRW Screen Design • 237130 Underground Cable Lying & Utility Line Construction
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