28 Articles found

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  • Horizontal Remediation Wells used in order to preserve military security

    Horizontal Remediation Wells used in order to preserve military security

    Project Description: Remediate a plume of trichloroethylene (TCE) under multiple military buildings by air sparging (AS) and soil vapor extraction (SVE). There are two target zones: the shallow zone is approximately 70` below grounds surface (bgs) ...

    Mike Sequino

  • The “Straight Skinny” on bentonite-based drilling muds & their standard practice use in the horizontal remediation well industry

    The “Straight Skinny” on bentonite-based drilling muds & their standard practice use in the horizontal remediation well industry

    Let’s make our point up front: 1) bentonite-based drilling fluid is NOT bad for horizontal remediation well (HRW) projects; 2) it does not damage the formation; 3) it is a naturally occurring clay material that is mined; and 4) it does ...

  • Horizontal Soil Vapor Extraction and Horizontal Air Sparge Wells Case Study-

    Horizontal Soil Vapor Extraction and Horizontal Air Sparge Wells Case Study-

    Directional Technologies Is The Expert At Horizontal Soil Vapor Extraction   A horizontal soil vapor extraction well and two horizontal air sparge wells rapidly remediate contamination in situ under a research and development facility. ...

    Kathy Sequino

  • DTI assists Samsung Corporation with innovative horizontal remediation well installation for the Yongsan District `Dream Hub` Project in Seoul, South Korea

    DTI assists Samsung Corporation with innovative horizontal remediation well installation for the Yongsan District `Dream Hub` Project in Seoul, South Korea

    Site Background Dream Hub is a massive $40 billion redevelopment project in the heart of Seoul, South Korea encompassing an international business district spanning over 34 million square feet and hosting what is to be the tallest building in Asia, ...

  • Horizontal Remediation Wells - Don`t Disrupt your Client`s Business

    Horizontal Remediation Wells - Don`t Disrupt your Client`s Business

    The use of Horizontal Remediation Wells for environmental cleanup is a proven solution for project managers with many benefits including the benefit of the continuation of business activities during mitigation or remediation activities.   ...

  • Enhanced Vapor Intrusion Mitigation via Horizontal Remediation Wells

    Enhanced Vapor Intrusion Mitigation via Horizontal Remediation Wells

    Vapor Intrusion (VI) is a potential concern at any building - existing or planned, located near soil or groundwater contaminated with volatile organic compounds (VOCs). Conventional installation technologies (vertical wells) can fall short, ...

  • Multipurpose Horizontal Remediation Wells Treat Impacts from Former DOD Operations

    Multipurpose Horizontal Remediation Wells Treat Impacts from Former DOD Operations

    The site, a former DOD plant previously used for the manufacture of aircraft and missile systems had TCE impacts that posed a threat to the current occupants at the site.    The site had been recently redeveloped into an industrial ...

    Seth Croy, Business Development Manager Directional Technologies, Inc.

  • Key Elements of a Successful Horizontal Remediation System

    Key Elements of a Successful Horizontal Remediation System

    Environmental remediation professionals around the country (and internationally) are rapidly learning that Horizontal Remediation Systems are an essential “tool in their remediation toolbox”. When designed and executed by experienced ...

  • Horizontal Well Systems for Improving Remedial Efficiency and Zone of Influence

    Horizontal Well Systems for Improving Remedial Efficiency and Zone of Influence

    To improve remediation efficiency and expand the zone of influence, Directional Technologies, Inc. transferred technology from the oil and gas industry to the environmental industry. The oil and gas industry has used directional drilling for decades ...

    Directional Technologies, Inc.

  • Horizontal Recirculation Wells Remediate Fuel Oil Impacts

    Horizontal Recirculation Wells Remediate Fuel Oil Impacts

    Catering to the unique needs of the client and working hand-in-hand with the consultant, Directional Technologies approached a challenging remedial situation with flexibility and a new approach to re-task a horizontal injection well system to ...

    Seth C. Croy

  • Horizontal Well Rehabilitation at NASA Facility

    Horizontal Well Rehabilitation at NASA Facility

    A horizontal groundwater extraction well at an active NASA facility in Louisiana was impacted by mineral scaling and bio-fouling affecting operations of the groundwater pump and the treatment system. A flow reduction of over 50% was observed. ...

  • Horizontal Soil Vapor Extraction Wells

    Horizontal Soil Vapor Extraction Wells

    As part of a Corrective Action Plan (CAP) submitted to NYSDEC, a consultant selected Horizontal Soil Vapor Extraction Wells (HSVE) to expand an on-site vapor extraction system in New York. Directional Technologies worked with the consultant on the ...

    Directional Technologies

  • Horizontal Remediation Wells - Case Study

    Horizontal Remediation Wells - Case Study

    Why wait 30 years…when HRWs are here today! After 30 years of remediation, the responsible party became frustrated with the limitations of vertical wells and the inability of methods used to achieve cleanup goals.  Seeking site closure, ...

  • The Power of 243 Vertical Wells

    The Power of 243 Vertical Wells

    This is a comparison of a Horizontal Remediation System and a Verticle Well System at a theoretical site with an area of 388,800 ft2   where with a Radius of Influence (ROI) of 20 feet, 12 Horizontal Remediation Wells, ...

    Directional Technologies, Inc.

  • Enhanced Bio-Stimulation through Horizontal Wells

    Enhanced Bio-Stimulation through Horizontal Wells

    Biosparging technology can be further enhanced when applied through Horizontal Remediation Wells. Since horizontal well systems typically have 4 to 10 times more screen footage in contact with the contaminated media than vertical systems, Horizontal ...

  • Is a Horizontal Remediation Well System Right for My Project?

    Is a Horizontal Remediation Well System Right for My Project?

    So your remediation project is moving towards a choice of remedy, whether it involves Dual Phase Extraction, Total Phase Extraction, Biosparging, Soil Vapor Extraction (SVE), Air Sparge (AS), or Chemox Delivery, or any combination of the above. Now, ...

  • 30" Sleeve Installed with Directional Drilling Underneath Highway

    30" Sleeve Installed with Directional Drilling Underneath Highway

    “Taking time to properly plan and execute a horizontal drilling and utility installation project can save client’s monetarily by avoiding road closures and other costly delays typical with trenching,” said Mike Bertram of ...

    Directional Technologies

  • Directional Technologies Down Under

    Directional Technologies Down Under

    Directional Technologies, Inc. expands international experience with installation of horizontal remediation wells in Australia. By: Kyle Carlton, PG, Senior Geologist During the summer of 2017, Directional Technologies, Inc. was provided with the ...

    Kyle Carlton

  • Cost Effective Multi-Purpose Horizontal Wells

    Cost Effective Multi-Purpose Horizontal Wells

    A question commonly posed to Directional Technologies from our environmental consulting clients: “Can one horizontal well be designed for more than one remedial application?” The answer is “yes.” Horizontal wells are ...

    Kyle Carlton, PG, Senior Geologist

  • How to Remediate under an Intersection with Horizontal Wells

    How to Remediate under an Intersection with Horizontal Wells

    Roadway intersections within urban settings are arguably some of the most challenging areas for subsurface remediation. Many consultants tasked with remediation of challenging sites such as these become frustrated by the inability of a vertical ...

    Kyle Carlton, PG, Senior Geologist