When it comes to installing pipe infrastructure, traditional trench-digging methods can be time-consuming, disruptive and costly. Fortunately, a more efficient and innovative solution is directional drilling. This post explores the directional drilling process and its benefits for pipe infrastructure installation in the construction and contracting industry.

Understanding Directional Drilling

Directional drilling, also known as horizontal drilling or trenchless technology, is a method used to install pipes underground without requiring extensive excavation. This technique involves drilling a small pilot hole at a shallow angle and then gradually curving the drill to reach the desired endpoint. By following a predetermined path, pipes can be laid underground with minimal disruption to the surrounding area.

Planning and Preparation

The first step in directional drilling is extensive planning and preparation. A team of experienced engineers and technicians assesses the project site, considering various factors such as soil composition, underground obstacles and the pipeline route. The location and angle of entry and exit points are carefully determined to achieve the desired results.

Pilot Hole Creation

Once the planning is complete, the directional drilling process begins by creating a pilot hole. A specialized drilling rig is used to bore into the ground at the predetermined entry point. The drill bit, equipped with a transmitter, allows operators to monitor the position and direction of the drilling in real-time. The pilot hole is created by gradually steering the drill underground, following the predetermined path.

Enlarging the Hole

After the pilot hole is established, it needs to be enlarged to accommodate the installed pipe. This is done using a series of reaming passes. The reamer, a larger cutting tool, is connected to the drill string and pulled back through the pilot hole. As it moves through the hole, it enlarges the diameter to create a cavity suitable for the pipe.

Pipe Installation

Once the hole is enlarged, the next step involves installing the pipe. The sections of the pipe are connected above ground and are then pulled through the enlarged hole using strong pulling equipment. The pipe is fitted with the necessary couplings, ensuring a secure and watertight connection. The process continues until the entire length of the pipe is successfully inserted underground.

Completion and Restoration

Once the pipe installation is complete, the drilling equipment is removed from the site. Any disturbed areas are restored and the affected site is returned to its original condition. Unlike traditional trench digging methods, directional drilling leaves minimal surface disruption, significantly reducing environmental impact and restoration costs.

Contact a professional to learn more about directional drilling. 

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