Tag Archives: directional drilling
History of Horizontal Wells
Volume 8, Issue # 10 – October 2022 Directional drilling began with surveying of oil and gas wells in the…
Waste Handling 101
Volume 8, Issue # 8 – August 2022 Of all the questions we encounter regularly, some of the trickiest relate…
Changing Direction Mid-Bore
Volume 8, Issue #4 – April 2022 The “directional” in horizontal directional drilling (HDD) means the driller can steer the…
Blind Horizontal Wells – New Technology
Most HDD contractors will tell you they prefer constructing double-ended well designs over “blind” horizontal wells (single-ended construction). This preference…
Horizontal SubSlab SVE Challenges
Ellingson-DTD recently installed a single horizontal subslab SVE well at an active industrial manufacturing facility in the upper Midwest. The…
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…
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…
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…
24″ and 30″ Diameter Pipelines in Permian
DTD crews have recently completed several large diameter pipeline installations for a road crossing in the Permian basin. Meanwhile, similar…