Category Archives: News Articles
Double-Ended Sometimes the Only Option
Ellingson-DTD crews recently completed a series of double-ended horizontal Air Sparge (AS and Soil Vapor Extraction (SVE) wells at an…
Horizontal ERH – The Fusion of Two Technologies
Horizontal Electrical Resistance Heating (ERH) is the integration of two remediation technologies: horizontal wells and ERH. Horizontal wells are noted…
Virtual Short Course on Remediation
Join Ellingson-DTD, SiREM, Tersus Environmental and Pace Analytical for a half-day virtual short course. We’ll focus on recent technical advances…
Thermal Remediation, Shallow Angle
Ellingson-DTD (DTD) directionally drilled six thermal remediation wells earlier this year. The project required source area remediation beneath a training…
Passive Treatment HRX Well to Receive NGWA Technology Award
As an innovator in the realm of horizontal drilling for site remediation, Ellingson-DTD has been pleased to introduce a variety…
Vapor Intrusion Mitigation Using HDD
DTD crews recently completed the installation of a horizontal SVE in Northern CA. The well is part remediation well and…
DTD Acquired by Ellingson
DTD is pleased to announce our acquisition by Ellingson. All of DTD’s management and staff are making the figurative move…
Minimizing Trenching using HDD at a Houston Superfund Site
DTD has finished installing a total of 21 conveyance lines at an active Superfund site in Houston, Texas. The source…
Discrete Soil Sampling Using HDD
DTD Crews recently completed a unique site characterization project. Field work involved the use of horizontal directional drilling (HDD) for…