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A Guide to Types of Directional Drilling

A Guide to Types of Directional Drilling

Any type of drilling that doesn’t go straight down into the ground is considered directional drilling. This type of drilling has been around for several decades. Learn more about its benefits and its variations by continuing with the rest of this article.

What Is the Purpose of Directional Drilling?

Directional drilling is primarily utilized for tapping into oil and gas reservoirs. This technique allows operators to reach reservoirs located in hard-to-reach spots. Operators also use it to break through tough stone layers. It can also make a reservoir usable even if its contents are spread out across different pockets. Note that oil companies are not the only ones that can benefit from directional drilling. Utility providers also use this service. They ask the operators to create spaces in the ground that can then be used to house pipes, drains, or utility lines.

What Are the Different Types of Directional Drilling?

There are a few types of directional drilling that you should become familiar with. First off, according to Drillers.com, multilateral drilling involves creating multiple openings that run at 90-degree angles. Imagine a well that goes about 1,000 feet into the ground that has multiple branches extending from it and you’ll be able to picture the result of multilateral drilling. You also have extended-reach drilling (ERD), which is characterized by long wells extending from the rig. According to our experts, a hole becomes the product of extended-reach drilling if it features a depth ratio above two. Some companies prefer to utilize extended-reach drilling because it gives them access to larger reserves. It can also be less disruptive to the surrounding area.

Horizontal drilling involves creating a 90-degree hole that extends directly from the original vertical opening. You’ll sometimes see horizontal drilling used to extract oil and gas. It works best in that capacity if the reservoir is on the smaller side. These days, most companies will turn to horizontal drilling when they need to lay down the access points for their utility lines and other important fixtures. Lastly, operators may also use surface-in-seam drilling to access valuable resources. SIS drilling creates a horizontal well that intersects a vertical opening. This type of directional drilling can be quite risky. Operators must take extra precautions when performing SIS drilling.

Directional drilling helps us tap into essential resources that would have otherwise remained inaccessible. It’s an important practice that is continually being refined. Contact us at Tru Plumbing & Excavating today to get started!

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