Late summer DTD completed the successful installation of a gravity drain in a mine tailings impoundment at the Callahan Mine…
In early February, DTD initiated a 2,300′ long bore near Ulster, PA. The bore was to cross under a wetland…
This crossing initially was designed to be approximately 900 feet long, passing near a shallow residential well, then 30 feet…
DTD has recently added a large mud recycling system to its fleet of equipment. The Mud Tech International system has…
DTD publishes article on benefits of biopolymer drilling fluids.
DTD recently completed a series of six dewatering wells to support construction of the DC to Dulles Metrorail in Washington,…
DTD’s free downloadable spreadsheet that selects slotting patterns to effectively distribute air flow evenly across air sparge horizontal wells has…
The well design (very low screen open area and multiple casings) required the use of our American Augers 210,000 lbs-rated…
The final results show the strength of appropriate use of horizontal air sparge wells for groundwater remediation. Not only did…
Since many practitioners are new to horizontal directional drilling in environmental applications, they are often unfamiliar with the specialized terminology…