Category: Solids Control

Solids control system,solids control equipment,solids control companies.

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Drilling Fluid Jet Mixer: The Ultimate Guide to Efficient Mud Mixing

The Drilling Fluid Jet Mixer is a mud mixing funnel designed using the Venturi principle. Also known as a Venturi drilling mud mixing hopper, its main components include a nozzle, mixing chamber, Venturi tube, feeding hopper, butterfly valve, and sand pump or shear pump. The drilling mud mixing hopper is widely used in oil drilling, solids control, trenchless construction, and other applications. It mainly helps operators prepare drilling fluid and adjust key properties such as density, viscosity, and water loss. It is one of the specialized oilfield equipment for weighting drilling fluid. The jet mud mixer is equipped with sand pumps and pipelines to form a jet mixing device. KOSUN offers high-performance drilling mud mixing hoppers engineered for efficient mud preparation and conditioning.

Working Principle of Drilling Fluid Jet Mixer

After the nozzle ejects the liquid, the liquid flows through the mixing chamber and enters the shear tube. Add the material to the mixing chamber through the funnel. The nozzle-driven liquid flow then carries the material into the shear tube, where the material disperses and mixes with the liquid. The liquid flows out of the shear tube and enters the circulation tank.

The shear tube is a hollow tube that gradually expands according to a certain curved surface. Its main function is to increase the shear force of the liquid inside the tube, which helps disperse the material more effectively. The mixed liquid then flows into the circulation tank.

The shear tube actually uses the Bernoulli effect of “fast flow, low pressure; slow flow, high pressure.” Because the nozzle sprays the liquid from the mixing chamber at high speed, the pressure drops as the liquid exits the nozzle. When the liquid enters the shear tube, the cross-sectional area gradually increases, reducing the flow velocity and increasing the pressure.

KOSUN Drilling Fluid Jet Mixer are engineered with precision components to ensure optimal mixing efficiency and consistent fluid properties.

Installation of Drilling Mud Mixing Hoppers

After mixing, the drilling fluid creates significant pressure loss. Therefore, it should discharge the mixed drilling fluid directly into the drilling fluid tank. Install the hopper on top of the drilling fluid tank, or at another elevated position, to allow the mixed drilling fluid to flow directly into the tank without requiring it to climb.

When installing the drilling mud mixing hopper at an elevated position, use a hoist or cantilever crane to lift the drilling fluid materials to the hopper.

When installing the drilling mud mixing hopper at a low position, design a suitable climbing angle and connect the outlet directly to the drilling fluid tank. This configuration helps prevent drilling fluid from overflowing from the funnel.

The Drilling Fluid Jet Mixer typically uses an electric mixing pump for direct drive. If the mixing effect is poor, adjust the distance between the hopper nozzle and the outlet end to achieve optimal mixing performance.

Conclusion

The Drilling Fluid Jet Mixer is an essential component of modern solids control systems, enabling precise control of drilling fluid properties through efficient mixing and shearing. By understanding its working principle and proper installation practices, operators can maximize mixing efficiency and maintain optimal drilling fluid performance. KOSUN provides reliable drilling mud mixing hoppers designed for long-lasting performance in demanding drilling environments.

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Slurry Separation Plant: Essential Solutions for TBM Tunnel Efficiency

The Importance of Slurry Separation Plants for Tunnel Boring Machines

Tunnel construction has become an essential aspect of modern infrastructure development, allowing for the creation of subways, highways, and utility tunnels without disrupting surface activities. A critical component of this process is the Tunnel Boring Machine (TBM), which excavates tunnels through various geological conditions. One of the significant challenges faced during tunneling operations is the management of excavated material, commonly referred to as slurry. This is where a slurry separation plant comes into play, playing a vital role in the efficient and environmentally responsible management of excavated materials.

A slurry separation plant is designed to process the mixture of soil, rock, and water produced by the TBM during excavation. The slurry is typically used in conjunction with Earth Pressure Balance (EPB) TBMs or slurry shield TBMs. These machines use the slurry to maintain pressure at the tunnel face, counteract groundwater ingress, and transport excavated material away from the machine. However, to continue efficient tunneling operations, the slurry must be treated and reused. KOSUN offers advanced slurry separation plants engineered for high-performance TBM operations.

How a Slurry Separation Plant Works

Screening involves passing the slurry through screens that filter out larger particles. The remaining slurry then moves to settling tanks, where sedimentation occurs. In this phase, the heavier solids settle at the bottom of the tank, forming sludge that operators can dispose of or process further. Meanwhile, the system collects clarified water from the top and reuses it in subsequent tunneling operations.

Treatment systems may also use filtration processes, especially when finer particles require separation from the water. Advanced filtration systems, such as membrane filters, can achieve a high level of purity, ensuring that the recycled water meets the required standards for reuse. Companies can manage treated solid waste in several ways, depending on its composition, including stabilization, recycling, or safe disposal according to local regulations.

Benefits of a Slurry Separation Plant

The benefits of implementing a slurry separation plant in tandem with TBM operations are manifold.

Firstly, the recycling of water significantly reduces the demand for fresh water sources, which is particularly beneficial in regions where water scarcity is a concern. Secondly, effective handling of excavated materials minimizes the risk of environmental contamination and adheres to strict regulations concerning soil and water quality. Additionally, the efficient management of slurry can lead to cost savings in disposal fees and reduce the environmental footprint of construction activities.

Moreover, the use of a slurry separation plant enhances the operational efficiency of TBM-related projects. By allowing for a continuous and automated treatment process, these plants can keep up with the high rate of excavation, reducing downtime and improving productivity. As the global focus on sustainable development intensifies, the construction industry finds itself compelled to adopt cleaner technologies and methods. Slurry separation plants represent a forward-thinking approach to resource management, aligning with broader environmental goals.

KOSUN equips its slurry separation plants with advanced automation and high-efficiency separation technologies to maximize water recovery and minimize waste.

Conclusion

In conclusion, a slurry separation plant is integral to the successful operation of tunnel boring machines. It provides an effective solution to manage excavated materials, highlights the importance of recycling, and contributes to the sustainability of tunneling projects. As infrastructure development continues to grow, the role of these plants will become increasingly crucial, ensuring that the construction industry adheres to environmental standards while meeting the demands of modern society. The evolution and improvement of slurry separation technology will undoubtedly play a significant part in shaping the future of underground construction. KOSUN provides high-performance slurry separation plants and expert support, helping customers achieve their operational and environmental goals.

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Best Practices for Operating Oilfield Mud Cleaning Equipment

Deep-well drilling requires precise surface fluid management. As drilling mud circulates through the wellbore, it returns carrying drilled solids, reactive clays, and abrasive sands. While shale shakers remove large cuttings, fine and ultra-fine particles often remain in the system. Mud cleaning equipment provides the secondary purification needed to remove these contaminants and maintain optimal mud performance.

Proper operation requires balancing fine-particle removal with the preservation of valuable drilling fluids and weighting materials. When managed correctly, mud cleaning equipment prevents the buildup of abrasive solids that accelerate wear on downhole tools, damage mud pumps, and reduce drilling efficiency.

Technical Performance of Mud Cleaning Equipment

Modern mud cleaning equipment combines hydrocyclones with a high-frequency vibrating screen to provide efficient secondary solids control while minimizing equipment footprint.

Drilling mud is pumped into hydrocyclones, where centrifugal force separates heavier solids from the fluid. Clean mud exits through the vortex finder and returns to the active system, while concentrated solids discharge onto fine-mesh screens for final separation. This two-stage process effectively removes harmful sand and silt while retaining valuable weighting agents such as barite.

Optimizing Throughput Capacity

Peak performance depends on maintaining stable feed pressure throughout the system. Treating the mud cleaner as part of an integrated solids control process—not as a standalone unit—is essential.

Low feed pressure weakens the cyclone vortex, allowing unprocessed slurry to overload the screen panels, reducing efficiency and increasing mud losses. Excessive pressure creates turbulence that carries fine solids back into the clean mud stream. Maintaining a consistent, calibrated feed rate ensures efficient separation and reliable system performance.

Preventive Maintenance

Hydrocyclones operate under continuous abrasive conditions and require routine inspection to maintain separation efficiency.

Operators should regularly inspect cone interiors for wear, erosion, and inlet blockages that disrupt flow patterns. The discharge apex should produce a hollow umbrella-shaped spray. A thick, solid discharge, known as “roping,” indicates an overloaded or plugged cone that requires immediate cleaning to prevent screen damage and reduced performance.

Maintaining Structural Stability

The vibrating screen basket plays a critical role in equipment performance and screen life. A heavy-duty frame evenly distributes high G-forces, reducing structural stress and minimizing vibration.

Screen panels must be properly tensioned and fully supported to prevent premature mesh failure. Maintaining the correct deck angle and selecting the appropriate screen mesh for formation conditions improves solids removal, extends screen life, minimizes fluid loss, and supports efficient closed-loop mud recycling.

Conclusion

Mud cleaning equipment is essential for advanced drilling fluid purification. By maintaining stable operating conditions, optimizing feed pressure, performing regular hydrocyclone maintenance, and ensuring proper screen installation, operators can maximize separation efficiency, reduce equipment wear, minimize downtime, and improve overall drilling performance.

As a leading manufacturer of drilling solids control equipment, KOSUN Machinery delivers reliable, high-performance mud cleaning solutions. These solutions help oilfield operators improve operational efficiency, reduce environmental impact, and achieve safer, more cost-effective drilling operations.

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Maintenance and Upkeep of Drilling Cuttings Vertical Centrifuge: Ensuring Continuous High-Efficiency Operation

In response to increasingly stringent environmental protection standards, a growing number of drilling sites are adopting drilling cuttings vertical centrifuges to achieve solid-liquid separation and minimize waste volume. As high-speed rotating equipment, scientific and reasonable daily maintenance and upkeep are crucial for the long-term stable operation of the vertical centrifuge. Kosun, specializing in the research, development, and manufacturing of solid control and cuttings treatment equipment for many years, has drawn on extensive field experience to compile a set of practical maintenance recommendations. These suggestions aim to help users effectively extend equipment life and enhance processing efficiency.

I. Timely Maintenance of the Lubrication System is Essential

Approximately half a month after the equipment is put into use, the lubricating oil should be changed for the first time. Subsequently, the oil filter screen should be cleaned once a month, and oil quality should be monitored. The frequency of subsequent oil changes should be reasonably determined based on the degree of contamination, but should not exceed a maximum of six months. When replacing with new oil, it is recommended to thoroughly clean the oil pipes, filter screen, and oil tank. If the filter screen is found to be worn, it should be replaced promptly. Simultaneously, check the sealing of all oil pipe interfaces to prevent leakage. The oil level should be checked via the oil sight glass every two weeks and replenished if found to be insufficient.

The main motor and the oil pump motor use independent grease lubrication; grease should be replenished approximately every 2500 hours of operation to ensure smooth running. If abnormal temperature rise, oil pressure fluctuation, or oil deterioration is observed during operation, the equipment should be stopped immediately for troubleshooting to avoid damage to the main shaft or rotor.

II. Daily Operational Checks Cannot Be Overlooked

A routine inspection should be carried out during each shift, focusing on the following aspects:

Whether the equipment vibration is stable, and if there is any abnormal noise;

Whether the main bearing temperature is within the normal range (≤90℃);

Whether connecting bolts show any signs of looseness;

Whether slag discharge and mud outlet are unobstructed, and if the feed/discharge ports are blocked;

Whether the lubrication system has oil leakage or other anomalies.

Upon discovering any abnormality, the equipment should be stopped immediately for handling and hidden dangers eliminated.

III. Regular Maintenance Keeps Equipment As Good As New

Approximately every 1000 hours of operation, the tension of the V-belts should be checked and replaced immediately if severely worn; simultaneously, check if all machine fasteners and sensor connections are secure. The oil filter should be cleaned once a month, and the oil quality re-evaluated; if the oil becomes cloudy or impurities increase, it should be changed earlier than scheduled. Additionally, the mud scraper handle should be operated once every two hours to prevent material buildup from affecting the dewatering effect.

Through scientific maintenance and management, the drilling cuttings vertical centrifuge can not only significantly improve drilling waste fluid treatment efficiency but also effectively reduce subsequent maintenance costs. Kosun consistently adheres to the design philosophy of “reliable equipment and convenient maintenance,” providing customers with efficient, environmentally friendly, and economical overall solutions for cuttings treatment, allowing every centrifuge to achieve its maximum value on site.

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The drilling fluid vacuum degasser is a new special equipment for treating drilling fluid with gas invasion

Xi ‘an KOSUN VD series drilling fluid vacuum degasser is a new special equipment developed by our factory on the basis of comprehensive degasser at home and abroad. It is suitable for all kinds of mud purification systems, which play a very important role in restoring the specific gravity of mud, stabilizing the viscosity of mud, and reducing the drilling cost. At the same time, it can also be used as a high-power agitator.

KOSUN drilling fluid vacuum degasser

The degasser belongs to the drilling fluid vacuum degasser, that is, the suction effect of the vacuum pump is used to create a negative pressure zone in the vacuum tank. Under the action of atmospheric pressure, the mud enters the hollow shaft of the rotor through the suction pipe and then is thrown towards the wall of the tank in a spray shape through the window around the hollow shaft. Due to the impact of the collision and the separation wheel, the drilling fluid is separated into thin layers, and the bubbles immersed in the mud are broken. The gas escapes through the suction of the vacuum pump and the separation of the gas-water separator, the gas is discharged to the safety zone by the exhaust pipe of the separator, and the mud is discharged from the tank by the impeller. Since the main motor starts first, the impeller connected to the motor is in a high-speed rotation state, so the mud can only enter the tank from the suction pipe, and will not be sucked from the drain pipe.

Last week, our factory shipped 8 pcs of drilling fluid vacuum degassers to foreign countries. As supporting equipment of drilling solid control equipment, this equipment provides a safety guarantee for drilling.

KOSUN- China Solids Control Leader&Drilling Waste Management Expert
Email: sales2@adkosun.com
WhatsApp/Wechat:+86 13379250593
Contact person: Monica Li
Online consulting:
http://www.kosun.com
http://www.kosuneco.com

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PetroChina Sichuan Shale Gas Operation Area Ordered 120 Sets of Mud Agitator Systems

As a professional manufacturer of drilling fluid treatment equipment and solids control system, KOSUN has provided equipment and services to major oilfield companies at home and abroad since 1992. Recently, PetroChina’s Sichuan shale gas operation area ordered 120 Mud Agitator Systems again. According to the customer’s on-site working conditions and requirements, we customized and added a portable oil discharge device for the customer, which greatly reduced the workload of on-site operators. The service life of the reducer is guaranteed.

120 Sets of Mud Agitator
120 Sets of Mud Agitator

The drilling fluid agitator is one of the main equipments in the oil drilling fluid solids control system and the horizontal directional crossing mud purification system. It is mainly used for the stirring and mixing of the drilling fluid. The uniformity of the drilling fluid and the suspension of solid phase particles to prevent the sedimentation of the solid phase particles of the drilling fluid in its tank circulation system, the mud agitator accelerates the reaction and dissolution of drilling fluid materials (bentonite, barite) and chemical additives and wetting plays a very important role.

KOSUN will wholeheartedly provide you with high-quality solids control equipment products and professional customized solutions. You are welcome to inquire!

KOSUN- China Solids Control Leader&Drilling Waste Management Expert
Email: sales2@adkosun.com
WhatsApp/Wechat:+86 18792396268
Contact person: Lily Wang
Online consulting:
http://www.kosun.com
http://www.kosuneco.com

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Introduction to Mud Agitator and Reference for Selection

The Mud Agitator is an efficient mud mixing machine. Through customized size and configuration, it can meet the requirements of different types of mud tanks. How to choose a suitable model reasonably has become an important factor that technicians have to consider when designing.

The Mud Agitator is fixedly installed on the top of the mud tank, and the stirring rod impeller sinks into the mud. The stirring shaft and the motor are connected through a coupling, and the rated power is from 7.5 hp to 20 hp (5.5kw ~ 15kw). The selection of agitator should consider tank size, depth, and mud parameters. Generally speaking, single-layer impellers are used below 11kw, and double-layer impellers for 11kw and above. It depends on the depth of the slurry tank used on site or customer requirements.

The impeller of the Mud Agitator is fixed on the shaft by bolts to prevent the impeller from rotating and shaking during the mixing process. Normally, the impeller is installed at a height 3/4 times the diameter of the impeller from the bottom of the tank. For example, if the diameter of the impeller is 600mm, the impeller needs to be installed at a height of 450mm from the bottom of the tank. Guanneng Company recommends the use of a vertical impeller when the tank height is less than 1500mm, and an inclined impeller when the tank height is deeper. If a double-layer impeller is used, the vertical impeller is installed at the bottom, and the inclined impeller needs to be installed at 2/3 of the height of the tank bottom.

KOSUN- China Solids Control Leader&Drilling Waste Management Expert
Email: sales2@adkosun.com
WhatsApp/Wechat:+86 18792396268
Contact person: Lily Wang
Online consulting:
http://www.kosun.com
http://www.kosuneco.com

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The function of drilling mud solids control system

Drilling mud solids control system is an important equipment for storing, distributing, circulating and purifying drilling fluid. Generally the drilling mud solids control system include drilling fluid tank, shale shaker, degasser, desander, mud cleaner, centrifuge and other necessary five purification equipment and overhead line, drilling pump suction pipe, mixed pump suction and discharge pipe, water pipe, drilling pipe, tubing, medium voltage gun drilling fluid, shear pump suction and discharge line, tank bottom pipe road, discharge pipe and other pipe lines.

drilling mud solids control system
drilling mud solids control system

Drilling mud solids control system is also equipped with drilling fluid replenishment device, weighted funnel, weighted pump, desander pump, desilting pump, shear pump, replenishment pump, base oil pump, agitator and other auxiliary equipment. In addition, there are also walkways, ladders, railings and other safety protection devices. It can effectively remove harmful solid phase in drilling fluid, retain useful solid phase, and provide good drilling fluid for drilling operations.

Focusing on solid control industry and drilling waste management, KOSUN has accumulated rich technical experience. Centrifuges and other products have been continuously extended to other industries such as food and environmental protection. With advanced technology, We focus on producing and developing equipment and technology suitable for various industries.

KOSUN- China Solids Control Leader&Drilling Waste Management Expert
Email: sales2@adkosun.com
Wechat:+86 18792396268
Contact person: Lily Wang
Online consulting:
http://www.kosun.com
http://www.kosuneco.com

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There are three types of mud shale shaker motion.

In the process of oil drilling drilling fluid from internal carotid out through shale shaker, then in other solids control equipment, in the solid phase removal equipment of shale shaker is itself a filterability spate separation equipment, in the mud of a complete set of cleaning system, it has the first, the characteristics of fast drilling fluid solid phase separation, at the same time is also a kind of economic, efficient spate separation equipment.

There are three types of mud shaker motion: circular, elliptical and linear motion, the oscillator in the center of gravity, will produce circular motion; When the oscillator is above the center of gravity of the system, elliptic motion is generated. However, for elliptic motion, the screen surface must have a slope in order to utilize the conveying cuttings, but the screen capacity will be reduced. The linear motion is to put the oscillator in front of the center of gravity of the system, making the screen frame produce linear motion, thus clearing the solid phase. The vibrating screen moves in a straight line with its fixed cuttings transfer speed. The screen surface can be flat or slightly tilted.

The ES series elliptic vibrating screen of KOSUN adopts the long tube vibrating motor as the power source, the performance is superior, the structure is reasonable, the operation is stable, the life is long, the maintenance cost is low. Under the same conditions, compared with other types of shaker, drilling mud processing capacity and sand transport and discharge capacity can be greatly improved, and can effectively overcome the “screening”, “screening paste” phenomenon.

KOSUN LS series linear vibrating screen using the vibration motor excitation to cheer for the vibration source, make the material being thrown up on screen, at the same time, forward a straight line with low consumption, high output, simple structure, easy maintenance, fully closed structure, no dust overflow, and the advantages of automatic discharge, more suitable for assembly line, at the same time family newsletter QZS linear vibrating screen can also be adjusted through the AWD regulating series of solid separation effect.Linear vibrating screen has obvious advantages in the treatment of large displacement drilling fluid. In this condition, the strong excitation force output by the linear vibrating screen can quickly remove a large number of solid phases through efficient linear vibration trajectory, which can effectively remove large particles in the drilling fluid.

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Drilling fluid linear vibrating screen in the processing of drilling fluid.

The linear vibrating screen USES the short or long tube vibration motor as the power source, the performance is superior, the structure is reasonable, the operation is stable, the life is long, the maintenance cost is low. Under the same conditions, compared with other types of shaker, drilling mud processing capacity is stronger, sand transport chip capacity is greater.

Purpose of linear vibrating screen: LS series vibrating screen is the first stage solid control equipment for the processing of drilling mud, which is more suitable for the occasions requiring large handling capacity. Solid particles with particle size greater than 76 microns in drilling mud can be separated. Application: large oil rig, large trenchless rig, shield engineering, river dredging engineering, etc.

Drilling fluid linear vibrating screen in the processing of drilling fluid if the phenomenon of running mud?It is understood that this is mainly related to the high solid content in the drilling fluid, mud viscosity, cuttings dispersion and other screening material factors;It is related to the condition of small vibration force, high mesh number and small screen area of drilling fluid vibrating screen.It also has a lot to do with the direction and position of the input buckle of the vibrating screen during the field installation, which can be analyzed step by step from the following points:

1. Regularly check the steering of the motor;

2. Unreasonable mesh number;

3. The formation and mud conditions affect the treatment capacity;

4. Check the amplitude of the shaker;

5. Check whether the distribution of liquid flow on the screen frame is reasonable.