Gas Services

Leak Detection Using LiDAR and Drones

Leak detection is the monitoring and measurement of unintentional entry or escape of fluids or gases from pressurized systems. It is a vital control method to ensure equipment performs as intended and the environment stays safe and clean.

Leak Detection

Leak detection is broken into three main phases known as localize, locate and pinpoint or LLP. Hamilton defines this as “narrowing down the location of the leak after identifying its existence.” Visit to learn more.

Ultrasonic leak detection uses sound to pinpoint the source of a leak. It’s a highly versatile form of leak detection that’s useful in many different scenarios. It’s particularly good at detecting leaks in pressurized systems. This is because escaping gas creates a distinct sound that’s easily detected using ultrasound technology. It can also help detect leaks in areas that are difficult or impossible to access, such as buried pipelines or those hidden under insulation or cement.

Sonic detectors are highly sensitive and can pick up sounds from a variety of sources, including air, water, oil and gas. They can even detect vibrations that may not be detectable by other tools, such as a vibration meter or a pressure gauge. The acoustic noise generated by a pressure or vacuum leak consists of a broad range of frequencies, but the most noticeable are at the higher end of the spectrum. The best ultrasonic leak detectors are able to focus in on the loudest part of this noise and identify the location of the leak.

In addition to detecting leaks, these devices can be used for other purposes, such as testing the effectiveness of sealants and coatings. They can also be helpful in identifying problems with a pneumatic system, such as a leak or malfunctioning valve. In addition, they are often much quicker and more efficient than other methods of detecting leaks, such as injecting dye into pipes.

The Sonic is a handheld, battery powered ultrasonic leak detector that translates inaudible, ultrasonic frequencies into recognizable sounds and meter readings. It’s capable of locating both liquid and gas leaks, as well as diagnosing a variety of maintenance issues.

It’s important to note that the effectiveness of ultrasound technology depends on the sensitivity settings and ambient noise level. The more sensitivity is turned up, the greater the chance of picking up unwanted background noises and reducing the accuracy of the tool. On the other hand, the lower sensitivity setting is less likely to pick up background noise and will be more accurate in locating a leak.

Ultimately, it’s up to the operator of the device to determine the appropriate sensitivity setting for each situation. Once the correct sensitivity is set, the operator should begin scanning the area with the Sonic in search of a leak. During the scanning process, it’s helpful to listen for a high-pitched rushing noise. Once a sound is heard, the operator can then reduce the sensitivity and continue to scan around the suspected area.


LiDAR is a laser-scanning technology that produces 3D images of objects. It is used in autonomous vehicles and for scanning large surfaces like forests and buildings to create digital elevation models (DEM). A laser pulse is emitted from the sensor and then bounces off of surface objects before reaching the ground. Each returned pulse is recorded by the sensor. The number of pulses recorded is called the return count or return number.

As the light returns to the sensor, a computer records the data. This information is then used to create a point cloud of surface points with their x, y, and z position. Each point is also classified by the type of surface it reflects off of. A few common classifications include low, medium, and high vegetation, building, water, and bare ground.

The points are then used to calculate the volume of a methane plume. By using this technology, natural gas companies can quickly identify and locate leaks. They can then assess the severity of a methane leak and take corrective action.

Unlike the more traditional method of radar, which uses radio waves to scan for methane, gas mapping LiDAR uses lasers with a green or near-infrared wavelength. This allows it to detect methane concentrations more accurately. The technology has the added benefit of being able to scan much larger areas of infrastructure at once.

This enables it to spot more leaks and get them fixed faster. It is especially useful for scanning pipelines that run over vast stretches of rural landscape, such as those in the Permian Basin.

This method can help reduce the overall amount of methane lost from leaks. This is an important consideration because it helps limit greenhouse gas emissions, which contribute to climate change. The technology can also be used to monitor fugitive methane emissions at other sites in the field. This enables companies to track and verify compliance with environmental regulations. For example, the system can be used to determine if there are methane leaks at the production site of an exploration well. This helps optimize operations and reduce costs by allowing them to avoid potential penalties for excess emissions.


Drones can be used for a wide range of applications, including monitoring water distribution systems. They can detect leaks, identify the source of a water loss, and help determine the size of the problem. This allows water utilities to make more informed decisions about the best way to fix the leaks and save money. In addition, drones can be used to monitor environmental conditions, such as air quality and temperature.

A drone can quickly and accurately collect data on a large area. This makes it possible to locate the location of a water leak in less time than traditional methods, such as spot checks or using an oscilloscope. In addition, drones can be programmed to repeat flights over the same area, providing an opportunity to compare and contrast data and detect any changes. This information can then be used to create a comprehensive and accurate map of the area around the leak.

The Hermann Sewerin GmbH company produces electro-acoustic leak detection devices for water supply and wastewater treatment systems. Their products include noise loggers, correlators, and tracer gas. The company’s newest model, the SeCorrPhon AC 200, is a multifunctional device that offers three functions in one: pre-location, pinpointing, and correlation. It also works in varying ambient conditions, such as different pipe materials and diameters.

In addition to detecting leaks, drones are also being used for aerial photography and filming. They can provide a much higher-resolution image than traditional cameras. They are also often used to record audiovisual productions of tourist attractions, such as beaches and other scenic areas. This technology is becoming increasingly popular in the tourism and travel industry.

Another area where drones are useful is in law enforcement. They can be used to spot traffic law violators, and they are being used to monitor the activity of dangerous criminals. However, many people are concerned that drones could be abused by police departments or other government agencies.

Despite the controversy over drones, they are being used by various industries to improve their efficiency and reduce costs. They are used in agriculture, construction, defense, photography and filming, and even for delivery services. In addition, drones can be used for medical and emergency response. They are also being used for military operations, such as surveillance and reconnaissance.

Visual Leak Detection

A leak detection system can be installed in a home and will alert the homeowner to a potential problem. This will give the homeowner time to call a plumber and have the issue fixed. The same technology is also used in industrial settings to monitor a variety of systems including gas and oil production and storage. The environmental and economic costs of leaking materials are significant. The EPA has strict regulations in place to prevent contamination of the environment and to ensure that companies are using their resources properly.

There are many different ways to detect a leak in a building, one of the most common is a visual inspection using infrared thermographic imaging. This technology identifies heat differences in a building, and water leaking from a pipe will absorb the surrounding material and cause it to heat up. This is easily identified with an infrared camera, and the location of the leak can be determined.

The use of a leak detection system can prevent the loss of valuable materials and limit the damage caused by water leaks. Whether the leak is from a pipeline or from a water heater, it can have a negative impact on a business, so it is important to have a good leak detection system in place.

In the automotive industry, fuel is a vital part of every vehicle and airplane. Leaks in this system can be extremely dangerous, so there are a variety of precautions that must be taken to prevent leaks. Fuel producers and airlines have strict safety requirements that they must follow to protect their workers and customers. This is why they use a variety of leak detection devices in their facilities.

A sonic leak detection gun and an imager can be used to locate a leak in a facility. The gun emits an ultrasonic sound that can be detected by the human ear. The imager shows the sound waves on a screen and indicates their source, making it easier to find the leak, even in noisy industrial environments. Sometimes the leak may be hiding behind a protective screen or up in a hard to reach area, like a ceiling.