Latest


Cased Auger Boring


Knowing which method to use and when to use it for each circumstance requires a closer look at each technique.

Trenchless Rehabilitation for Gas Lines: How to Detect a Gas Leak


A faulty gas line is nothing to mess with. When gas appliances are not putting off the same amount of heat or flame as they once did, it can be a leak. Learn how to tell...

Horizontal Directional Drilling Methods: Gyro Vs. Magnetic Wireline Steering


Gyro and magnetic wireline steering are ways for operators to control the horizontal directional drilling project. Both have their benefits and work better in certain...

A Quick Guide to Underground HDD Steering and Tools


Both gyro and magnetic systems offer benefits for HDD operators, but the tracking ability of magnetic sensors makes them the most accurate steering system on offer at...

The Role of Hydrogeology in Trenchless Construction


Knowing the characteristics of groundwater near the drill site and understand how it can affect drilling operations is essential. Therefore, for some trenchless...

Down-the-Hole Drilling Method Explained


Discover how down-the-hole (DTH) drilling has made life easier for contractors to drill wells faster and more efficiently.

What Key Areas of Growth Are Expected for Trenchless Rehabilitation in North America?


From all the many trenchless industry professionals and engineers we met at NASTT’s No-Dig North 2019, we had one key question for them all: What is a key area of growth...

Guided Boring Methods: Pilot Tube


Learn how engineers can accurately place new pipelines with minimal disturbance to the surrounding soil by using the pilot tube guided boring method.

The Directional Core Drilling Method: It's Importance to Geotechnical Investigations


Learn how directional core drilling helps geotechnical engineers effectively undertake trenchless projects with a good understanding of the prevailing geological...

The Definitive Guide to Trenchless Pipeline Removal


Learn why trenchless pipeline removal is especially ideal for applications where it isn't possible to remove pipelines via conventional open-cut excavations.

Asbestos Cement Pipe Rehabilitation: How To Avoid Catastrophic Failure


Waiting too long to rehabilitate cement piping can lead to an increased risk of contamination of potable water and increased cost of rehabilitation.

5 Ways to Mitigate Emission Impact from Trenchless Construction Projects


Learn what new strategies are being developed to improve the carbon emission performance in the construction industry.

Quiz: The Trenchless Pipe Bursting Rehabilitation Method


Pipe bursting, like all other trenchless technologies, has its benefits and limitations. Take this quick 12-question quiz to find out how much you know about this...

Blowout Preventer’s (BOP) and Its Importance in Environmental Safety


The Deepwater Horizon incident at Macondo in the Gulf of Mexico that took place on April 20th, 2010, had a profound impact on the oil and gas industry. It was considered...

The Best Projects for Pipe Ramming


Pipe ramming is an excellent method for installation of pipes where ground loss is expected due to the shallow depth of installation, because it utilizes displacement...

Experts


What is geomapping and how is it used in trenchless technology?


Underground utility networks, such as natural gas pipelines, water lines and electrical lines can consist of millions of miles piping and cable infrastructure. As these...

How does rock mechanics help engineers better understand how rocks will react to tunneling projects?


Tunneling into rock is a relatively complex process, requiring careful project planning and analysis of site conditions. While rock may seem solid, it contains numerous...

Is shoring and other trenching safety methods required during trenchless construction?


While the term "trenchless" suggests the absence of trenches, there are instances where small excavations are needed during trenchless construction. These...

When should engineers take skin friction into account when writing mud specification for an HDD project?


In short, skin friction should always be considered when writing mud specifications for a horizontal directional drilling (HDD) project.Skin friction is defined as the...

Why is bottom hole treating pressure important to monitor?


The first step in setting up a hydraulic fracture job is knowing the expected treatment rates and pressures. One of the most influential factors in determining these...