DTD has wrapped up the installation of four long horizontal LNAPL recovery wells in California. Each well is constructed of…
DTD recently conducted a video inspection of a horizontal remediation well that has been in use as a product recovery…
The picture below shows the pullback of a 6-inch diameter stainless steel well. The 1,800′ long horizontal well is designed…
2010 was a busy year for DTD. The company’s crews completed directional drilling in a variety of geologic conditions, including…
DTD pioneered the use of biodegradable, organic polymer drilling fluids in horizontal drilling for environmental projects. We use biopolymer fluids…
DTD has just completed installing the first of a pair of dewatering wells. The 1,030′ long 6-inch diameter well was…
This month marks a busy time for DTD. We currently have three remediation projects running simultaneously at three Department of…
SVE is a common and efficient application of horizontal wells for environmental remediation. Relatively short single-ended (blind) horizontal wells can…
The October issue of Trenchless Technology has just been published, contained Part II of DTD geologist Mike Lubrecht’s article on…
This Indiana site required the installation of 10 horizontal SVE wells beneath and through an area of fill, waste, and…