Shale Shaker

A shale shaker is a vital piece of equipment used in the oil and gas industry during the drilling process. Its primary function is to separate drilling cuttings from the drilling fluid, also known as mud. This separation is crucial for maintaining the efficiency of the drilling operation and protecting downstream equipment. The shale shaker works by using a vibrating screen or sieve to separate the solid particles from the drilling fluid. As the mud containing the cuttings flows over the vibrating screens, the larger particles are retained on the screen while the smaller particles and fluid pass through. The separated cuttings are then typically collected and disposed of, while the clean drilling fluid is recycled back into the system. Shale shakers come in various sizes and configurations depending on the specific requirements of the drilling operation. They are often the first line of defense in the solids control process, with other equipment such as desanders, desilters, and centrifuges used downstream to further process the drilling fluid and remove finer particles. Shale shaker for solids control are devices that remove drill cuttings from the drilling fluid while circulating and drilling. There are many different designs and research into the best design is constantly ongoing since solids control is vital in keeping down costs associated with the drilling fluid. The basic design consists of large, flat sheets of wire mesh screens or sieves of various mesh sizes that shakes or vibrates the drill cuttings, commonly shale shaker, across and off of the screens as the drilling fluid flows through them and back into the drilling fluids processing system, often called a mud system. This separates the drill cuttings, often called solids, from the drilling fluid so that it can be recirculated back down the well bore. In oilfield industry, linear motion shale shaker are widely used for drilling mud solids control of oil gas well drilling for rig. Shale shaker is first phase solids control equipment in drilling fluids processing system, also known as key solids control equipment in drilling mud system, shale shaker decides performance of the whole solids control system. GN Solids Control can design double shakers and triplicate shakers on single skid according to clients’ special requirements and also supply relevant connecting manifold, according to current industry situation, GN provide both third generation linear motion shale shaker and fourth generation balanced elliptical shale shaker. GNZS linear motion shale shaker absorbed advanced tech at home and abroad ,and integrated GN own design. GN complete series shale shaker can meet customers’ variable demand. Clients feedback proved the advantages of this kind of shale shaker: high G-force, wide screen area, compressed structure, cost-effective, etc.

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Mud Agitator

A mud agitator is a device used in drilling operations within the oil and gas industry, as well as in other applications such as mining and construction. Its primary function is to keep solids suspended in the drilling fluid or mud, preventing them from settling at the bottom of the mud tank. Here’s how it works, the mud agitator consists of a motor coupled with an impeller or blade. The motor provides the necessary power to rotate the impeller. As the impeller rotates, it creates a turbulent flow within the mud, effectively mixing it and preventing the solids from settling.  Drilling fluids often contain various additives and solid particles, such as cuttings from the drilling process. If these solids settle at the bottom of the mud tank, they can cause numerous problems, including decreased drilling efficiency and equipment damage. The mud agitator ensures that these solids remain suspended in the mud, maintaining its homogeneity and effectiveness. By keeping the solids suspended, the mud agitator helps maintain the desired properties of the drilling fluid, such as viscosity and density. This, in turn, ensures better drilling performance, smoother operation of drilling equipment, and overall efficiency in the drilling process. Mud agitators come in various sizes and configurations to suit different drilling requirements and mud tank sizes. They are an essential component of the overall drilling fluid management system, working alongside other equipment such as shale shakers, mud cleaners, and centrifuges to ensure optimal drilling performance and safety. GN Solids Control as a professional manufacturer for soilds control equipment, GN have designed lots of high-quality products, and JBQ series Agitator is one of them. To keep both the mud uniformity and the suspension of solids, our mud agitator is used to agitate the mud consecutively and reliably. This agitator agitates the mud to make cuttings, silt and sand pass the solids control system without being precipitated onto the tank bottom. Due to the simplex turbine decelerator, this product is featured by compact construction, light weight, balanced transmission, low noise, high efficiency of transmission and strong agitating power. Therefore, it is a reliable product in the solids control system.

Stack Sizer Vibrating Screen

A stack sizer vibrating screen is a type of vibrating screen used in mineral processing operations for fine particle separation. It typically consists of multiple decks or layers of screens stacked on top of each other. Each deck contains a series of closely spaced parallel screen panels with apertures of progressively smaller sizes from the top deck to the bottom deck. The screens are vibrated in such a way that particles smaller than the aperture size pass through the screen, while larger particles are retained and conveyed along the screen surface for further processing or discharge. The key features and advantages of a stack sizer vibrating screen include, stack sizer screens are designed to provide high separation efficiency, particularly for fine particles. The multiple deck configuration and progressive aperture sizes allow for effective classification and dewatering of particles. Compact Design: Despite having multiple decks, stack sizer screens typically have a compact footprint compared to traditional vibrating screens, making them suitable for installations where space is limited. High Capacity: Stack sizer screens can handle high capacities of material due to their efficient design and screening mechanism. They are capable of processing large volumes of feed material while maintaining good separation efficiency. Customization: Stack sizer screens can be customized to suit specific application requirements, including deck configurations, screen panel materials, and vibration characteristics, allowing for flexibility in operation. Improved Dewatering: The stack sizer design often incorporates dewatering capabilities, helping to remove moisture from the processed material and produce a drier product .Reduced Energy Consumption: Compared to traditional vibrating screens, stack sizer screens may consume less energy due to their efficient design and operation. Overall, stack sizer vibrating screens offer a reliable and efficient solution for fine particle separation and classification in mineral processing operations, contributing to improved process performance and product quality. GN vibrating screen has a unique vibration mode, energy saving, high screening efficiency, large processing capacity, advanced technology, simple structure, stable and reliable operation. It is currently on of the most advanced equipment in the field of fine-grained material screening. GN stack vibrating screen adopts polyurethane screen mesh, with high opening rate of (28-45%), which gives it the life span of more than six months. It is a self-developed product of GN Company.

3 Phase Decanter Centrifuge

A three-phase decanter centrifuge is a type of centrifuge used in industrial processes for separating three different phases from a mixture, typically a liquid-liquid-solid mixture. This type of centrifuge is particularly useful in industries such as oil and gas, food processing, wastewater treatment, and chemical manufacturing. The mixture to be separated is fed into the centrifuge through a feed pipe. The mixture enters a rotating bowl within the centrifuge. The bowl rotates at a high speed, creating centrifugal force. This force causes the heavier particles (usually solids) to move towards the bowl wall while the lighter phases (liquids) form layers in between. As the mixture spins within the centrifuge, the heavier solids accumulate at the bowl wall due to centrifugal force. The two lighter phases, typically oil and water, separate based on their density, with the lighter phase forming an outer layer and the heavier phase forming an inner layer. Each phase is discharged separately through different outlets. The solids are discharged continuously through ports at the bowl periphery, while the separated liquid phases are discharged through separate outlets. The speed of the centrifuge and other operating parameters can be adjusted to optimize the separation process for different types of mixtures. Three-phase decanter centrifuges are highly efficient and can handle large volumes of mixture, making them valuable in industries where separation of multiple phases is necessary for processing or recycling purposes. They are often used in applications such as clarifying liquids, separating oil from water, and recovering solids from industrial wastewater. GN Decanter Centrifuge is designed for the drilling mud solids control and oilfield waste management. GN VFD drive decanter centrifuge with variable speed allows drilling contractor or mud service company to do the barite recovery, fine/ ultra fine solids separation, dewatering centrifuge. GN have the decanter centrifuge from 9 inch bowl to 22 inch bowl available for different applications. GN decanter centrifuge bowl length and diameter ratio is over 3, this gives the best result for the drilling fluids cleaning. With using the best of materials, such as SS2205 or SS2304 and Tungsten Carbide for tiles. GN centrifuges are better equipment when compared to the pricing of our competitors. Being third of the cost and with the same production and output. We are developing our machines with success and longevity for our clients.

Vertical Cuttings Dryer System

A vertical cuttings dryer system is a crucial component in the process of drilling for oil and gas. During the drilling process, rock cuttings and drilling mud are produced. The drilling mud typically contains valuable drilling fluids that need to be recovered for reuse, and the cuttings need to be processed to meet environmental regulations. A vertical cuttings dryer system is designed to separate the drilling mud from the cuttings, thus allowing for the recovery of valuable drilling fluids. Here’s how it typically works, as drilling progresses, rock cuttings are brought to the surface along with the drilling mud. The cuttings are fed into the vertical cuttings dryer system, where they are introduced into a rotating drum. Once inside the drum, the cuttings are subjected to high-speed rotation, which creates centrifugal force. This force pushes the drilling mud out of the cuttings. The separated drilling mud is collected and directed back into the mud system for reuse in the drilling process. The now-dried cuttings are discharged from the dryer system. These cuttings are typically much drier than before, making them easier to handle and transport. They may still contain residual drilling fluids, but at much lower levels. Vertical cuttings dryer systems offer several advantages, they enable the recovery of valuable drilling fluids, reducing the amount of new drilling mud required. By reducing the volume of cuttings and the associated drilling fluids, they help operators meet environmental regulations regarding waste disposal. The recovered drilling fluids can be reused, reducing the overall cost of drilling operations. These systems play a critical role in modern drilling operations, not only improving efficiency but also ensuring environmental sustainability and regulatory compliance. At GN, our vertical cuttings dryer is built to process oil based mud and synthetic based mud. We also provide option to provide VFD system to control the speed and productivity of the vertical cuttings dryer. Our bearings are premium brand FAG. Also the flights on the rotor is hard facing to HRC 65, which gives it longer life than our competitors. One of the features includes a special high pressure air knife design to clean the basket screen automatically to avoid the screen blinding especially for high viscosity mud and water based mud. Our vertical cuttings dryer is a real capable equipment that works for projects around the world. With it, your projects and waste management is done easier and efficient.

Vacuum Degasser

A vacuum degasser is a piece of equipment used in various industries, particularly in the oil and gas industry, to remove gases, primarily dissolved gases such as hydrogen sulfide, carbon dioxide, and oxygen, from liquids such as drilling fluids, water, or other liquids used in industrial processes. The process of degassing involves reducing the pressure in a sealed vessel containing the liquid, causing the dissolved gases to come out of solution and form bubbles. These bubbles are then removed from the liquid, effectively degassing it. In the oil and gas industry, vacuum degassers are commonly used in drilling operations to remove gas from drilling mud, also known as drilling fluid. This helps maintain the stability and performance of the drilling fluid, preventing issues such as formation damage, wellbore instability, and gas kick. Vacuum degassers can vary in design and capacity depending on the specific application and requirements of the industry. They are often equipped with features such as vacuum pumps, baffles, and mist eliminators to enhance their efficiency in removing gases from liquids. Our GNZCQ vacuum degasser is able to meet the needs of any applications. It is installed after the shale shaker, and effectively removes gases from gas-cut mud. Ensuring that the proper mud weight is pumped downhole. The degasser is able to aid in the prevention of potential blowouts. Unlike the traditional vacuum degasser, GNZCQ vacuum degasser is a self-contained unit and GN vacuum degasser is monitored by level sensor to protect over suction of the fluids. The gas-cut mud is drawn into the degasser by a vacuum created by a regenerative vacuum without needing centrifugal pump. GN degasser can also act as a big agitator for the drilling mud, which helps the treatment for the desander and desilter. Our product is designed to very effective and assist the operations of multiple locations in the industry. With having two different types of models, with both having explosion proof and with the efficiency of high and lower handling. Our vacuum degasser not only prevents disaster but also is efficient enough to assist at other jobs as well. An equipment that is designed for a multi-operation and great factor to your project.

Sludge Dewatering Screw Press

A sludge dewatering screw press is a type of mechanical equipment used in wastewater treatment plants and other industrial applications to separate liquids from solids in sludge. Sludge, which is a byproduct of various processes such as wastewater treatment, can contain a significant amount of water. The dewatering screw press helps to reduce the moisture content of the sludge, making it easier and more cost-effective to handle and dispose of. Sludge is fed into the screw press through an inlet hopper or conveyor system. The sludge may be pre-treated or conditioned to improve dewatering efficiency. Inside the screw press, there is a rotating screw or auger mechanism. As the screw rotates, it moves the sludge along the length of the press. Along the length of the screw press, there are dewatering zones where the sludge is subjected to increasing pressure. This pressure helps to squeeze out the water from the sludge solids. The pitch of the screw gradually decreases along the length of the press, which leads to increasing compression of the sludge. This compression further aids in separating the water from the solids. Some sludge dewatering screw presses are equipped with a perforated or mesh screen along the length of the press. This screen helps to separate the liquid (filtrate) from the solids as the sludge is compressed and forced through the screen. The separated liquid (filtrate) is collected and discharged through an outlet, while the dewatered sludge cake is discharged from the end of the press. The dewatered sludge typically has a higher solids concentration and lower moisture content compared to the original sludge. Benefits of using a sludge dewatering screw press, reduction in sludge volume: By removing water from the sludge, the volume of sludge is significantly reduced, leading to lower transportation and disposal costs. Increased solids concentration: The dewatered sludge cake has a higher solids concentration, which may facilitate further processing or disposal. Lower environmental impact: Dewatered sludge is easier to handle and may be more suitable for environmentally friendly disposal methods such as composting or incineration. Overall, sludge dewatering screw presses are an efficient and effective solution for reducing the moisture content of sludge, providing economic and environmental benefits for wastewater treatment plants and industrial facilities.

2020.09.10 screw press dewatering machine

Sludge Dewatering Centrifuge

A sludge dewatering centrifuge is a specialized piece of equipment used in wastewater treatment plants, industrial processes, and other applications where there’s a need to separate solids from liquids efficiently. Sludge is a semi-solid material produced during the treatment of wastewater, and dewatering is the process of removing water from this sludge to reduce its volume and make it easier to handle and dispose of. The centrifuge works on the principle of centrifugal force, which is the force exerted on an object moving in a circular path due to its inertia. In a sludge dewatering centrifuge, sludge is fed into a rotating drum or bowl. As the drum rotates at high speed, centrifugal force pushes the solids to the outer edge of the drum, while the liquid (water) is forced towards the center. The separated liquid is typically discharged through a separate outlet, leaving behind dewatered sludge cake on the inner wall of the drum. This dewatered sludge cake has a much higher solid content and lower moisture content compared to the original sludge, making it easier and more cost-effective to dispose of or further process. Sludge dewatering centrifuges come in various types, including decanter centrifuges, disk-stack centrifuges, and basket centrifuges, each with its own advantages and applications. Decanter centrifuges, for example, are commonly used for thickening and dewatering applications in wastewater treatment plants due to their continuous operation and high throughput capabilities. With our expertise and how we develop our equipment, using the best material there is to offer. GN uses duplex stainless steel SS2205 and SS2304 for the casting which is better than the SS304 and SS316. Also flexible pond depth adjustment for different material separation. The air-operated spring for assisting open of the cover with safety locking system. Our centrifuges go through three stages balancing process to maximize balancing of the centrifuge. It goes through a low speed of 1800 RPM balancing and real operation high speed balancing as well. The internal parts such as the screw is protected by interchangeable tungsten carbide tiles for longer life and easy maintenance. Also the screw is made up of stainless steel with heat treatment and the opening impeller will improve the centrifuge capacity. It comes with the option of single lead or double lead screw. GN centrifuge is well used over the world and is being required by a lot more operations due to its cost and the results of its operation.


Shale Shaker




Mining vibrating screen

A mining vibrating screen is a piece of equipment used in the mining industry to separate materials based on their particle size. It employs vibrating motors or exciters to generate vibrations, which cause the material on the screen surface to move in a controlled manner. These screens are often used in various stages of the mining process, such as primary screening, scalping, or dewatering. Here are some key features and functions of a mining vibrating screen. Screening Efficiency –  Mining vibrating screens are designed to efficiently separate materials of different sizes. They utilize different screen deck arrangements and screen openings to achieve the desired separation. Vibration Mechanism – Vibrating screens use either eccentric shafts with eccentric weights or electromagnetic vibrators to generate vibrations. These vibrations cause the material to move across the screen deck, facilitating separation. Screen Deck Configuration – Screens can have single or multiple decks, depending on the application. Multiple decks allow for the separation of materials into different size fractions simultaneously. Screen Media – The screen media, such as woven wire mesh, polyurethane panels, or perforated plates, play a crucial role in the screening process. The choice of screen media depends on factors like the material being processed, required throughput, and wear resistance. Dewatering – In some cases, mining vibrating screens are used for dewatering purposes, removing excess moisture from the screened material. This is especially important in applications where the final product needs to meet certain moisture content specifications. Heavy-duty Construction – Mining vibrating screens are typically built to withstand harsh operating conditions in mining environments. They are constructed with robust materials and reinforced components to ensure durability and longevity. Adjustability and Customization – Many mining vibrating screens offer adjustability in terms of amplitude, frequency, and angle of inclination to optimize performance for specific applications. Maintenance and Safety – Proper maintenance is essential to ensure the smooth operation of vibrating screens and prevent downtime. Additionally, safety features such as guards and safety switches are incorporated to protect operators from potential hazards. Overall, mining vibrating screens are indispensable equipment in the mining industry, contributing to efficient material handling, processing, and separation. They play a crucial role in improving productivity and product quality in various mining operations.


2023.10.10 Large Linear Vibrating Screen


2323.10.10 Large Flip Flow Screen

Vacuum Degasser

A vacuum degasser is a piece of equipment used in various industries, including but not limited to oil and gas, chemical processing, and food and beverage production. Its primary function is to remove dissolved gases, primarily oxygen and carbon dioxide, from a liquid mixture. The GNZCQ is our vacuum degasser which meets the needs of any application, installed after the shakers. Each degasser effectively and efficiently removes gases from gas-cut mud and ensuring that the proper mud weight is pumped downhole. The degassers are able to aid in the prevention of potential blowouts. At GN, our degasser is self contained, and is monitored by level sensor to protect over suction of the fluids. In many industrial processes, the presence of dissolved gases can be detrimental. For example, in the oil and gas industry, dissolved gases in drilling mud can lead to various issues such as reduced drilling efficiency, corrosion of equipment, and decreased performance of downhole tools. Similarly, in food and beverage production, dissolved gases can affect the taste, appearance, and shelf life of products. A vacuum degasser typically consists of a vessel or tank equipped with a vacuum pump. The liquid mixture containing dissolved gases is introduced into the vessel, and the vacuum pump creates a low-pressure environment inside the vessel. As the pressure drops, the solubility of gases in the liquid decreases, causing them to come out of solution and form bubbles. These bubbles are then removed from the liquid by the vacuum pump, effectively degassing the liquid. Vacuum degassers come in various designs and sizes, depending on the specific application and volume of liquid to be treated. Some degassers may use additional components such as baffles or trays to enhance the degassing process. The efficiency of a vacuum degasser depends on factors such as the vacuum level achieved, the contact time between the liquid and the vacuum, and the design of the degasser vessel. Overall, vacuum degassers play a crucial role in ensuring the quality and performance of industrial processes by effectively removing dissolved gases from liquid mixtures. Our vacuum degasser can actually work as a big agitator for the drilling mud, which helps the treatment for desander and desilter. Playing multiple roles to assist the operation and help with the process in multiple roles. Our degasser could be used in multiple industries and is among a great equipment for your operations system.