What is a Desander? Working, Features, and, Types

What is a Desander? Working, Features, and, Types

If you’re in the oil and gas industry, chances are you’ve heard of desanders. Whether you’re a technical professional or new to the industry, understanding how a desander works and its different types is essential. Let’s dive into what desanders are, the types available, their features, and how they work.

What Are Desanders?

Desanders are tools used in the oil and gas drilling industry that is designed to remove sand from drilling fluids. Drilling fluids serve an important purpose—they keep drill bits cool while also removing debris from boreholes—so they must remain free from sand particles which can damage drill bits or clog up other equipment.  That’s where a desander comes in; it removes all unwanted particles from drilling fluids so that drilling can continue unhindered. 

Types of Desanders

The two main types of desanders are linear motion desanders (LMDs) and rotary motion desander (RMDs). LMDs use a vibrating screen bed to separate solids from liquids while RMDs use centrifugal force to do the same job. Both types can be used for onshore or offshore applications depending on your needs.  

Features of Desanders  

Desander systems offer several features that make them ideal for oil and gas operations. For example, many modern models come with adjustable frequency drives which allow users to adjust drum speed based on their specific needs. Additionally, most systems come with automated backwashing capabilities which help reduce downtime by automatically cleaning out any sediment buildup in the system without manual intervention. Finally, many models feature intelligent controls that allow users to monitor system performance in real-time through remote access points such as computers or tablets.  

How Do Desanders Work?   

The principle behind both LMDs and RMDs is relatively simple; they both use an impeller-driven pump to draw fluid into a rotating drum where it is subjected to powerful centrifugal force. This force separates solids from liquids, allowing only clean fluid to pass through the system while trapping solid particles within the drum where they can be removed later. Once this separation process has been completed, clean fluid is then returned into circulation where it can continue performing its intended purpose.     


Desanders is an essential tool for anyone working in the oil and gas industry as they help ensure that drilling fluids remain free of unwanted solid particles which could otherwise cause long-term damage or operational disruption if left unchecked. Understanding how these systems work, their features, and their different types will help you make informed decisions when selecting one for your operation—ensuring optimal performance at all times!

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