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  • KOSUN DC355 Decanter Centrifuge Powers Turkish Oilfield Operations

    This week, KOSUN’s DC355 decanter centrifuge successfully departed for Turkey. The customer, a prominent Turkish drilling equipment manufacturer, specializes in drilling machinery design, engineering geological drilling, and after-sales support.

    The DC355 decanter centrifuge will soon play a key role in a local oilfield drilling mud treatment system, delivering high-efficiency solid-liquid separation to keep operations running smoothly and cost-effectively.
     

     
    Small Footprint, Big Performance

    Don’t let its compact size fool you. The KOSUN DC355 decanter centrifuge is a powerhouse of precision engineering for small to medium-scale drilling applications. With a 355 mm drum diameter and 35 m³/h processing capacity, it punches well above its weight.

    What sets it apart is its ability to separate ultra-fine solids down to 2–5 μm, ensuring drilling fluid purity and protecting downstream equipment. Its space-saving design makes it ideal for small rigs and shallow well systems. Beyond solids removal, the DC355 recovers valuable barite and supports fluid recycling, delivering efficiency, reliability, and cost savings, even in tight spaces.
     

     
    A Trusted Partner in Turkey

    Turkey has long been a key KOSUN market, built on trust, quality, and consistent performance. Over the years, KOSUN has supplied complete mud treatment systems and spare parts, from shale shakers and centrifuges to desanders, desilters, and mud tanks, earning a strong reputation for durability and reliability.

    Strong demand and repeat orders reflect Turkish customers’ continued confidence in KOSUN’s quality and service.
     
    Conclusion

    The KOSUN DC355 decanter centrifuge is more than a machine; it’s a strategic asset for drilling operators seeking precision and efficiency. With compact design, ultra-fine separation, and proven success in Turkey, it stands as a testament to KOSUN’s engineering excellence and customer commitment.

  • Decanter Centrifuge for Sludge Dewatering: Why Choose KOSUN Solutions

    Why Choose a Decanter Centrifuge for Sludge Dewatering Applications

    A decanter centrifuge for sludge dewatering is widely used in industries such as wastewater treatment plants and oil refineries. It separates solid and liquid components from a mixture based on density differences.

    The decanter centrifuge works by rotating the mixture at high speeds, causing heavier solids to settle while lighter liquid exits through a separate outlet. This produces drier, more concentrated sludge and reduces waste disposal volume. This article explains why a decanter centrifuge for sludge dewatering from KOSUN is an excellent choice for various applications.
     
    Advantages of KOSUN Decanter Centrifuges

    A KOSUN decanter centrifuge for sludge dewatering offers several advantages over traditional methods like belt filter presses and plate and frame filter presses.

    First, KOSUN decanter centrifuges provide higher processing capacity, allowing them to handle larger sludge volumes in less time. This benefits industries with high production rates and significant waste output.

    Second, they have a smaller footprint than many other dewatering methods, making them easier to install in existing facilities.

    Finally, KOSUN decanter centrifuges require minimal operator involvement and maintenance, reducing labor and operational costs.

    Why Choose KOSUN Decanter Centrifuges for Sludge Dewatering

    KOSUN decanter centrifuges provide reliable performance and several key benefits.

    They feature a high level of automation, allowing continuous operation without constant monitoring. This reduces labor costs and ensures consistent results.

    They can also handle various sludge types, including high-solids, oily, and greasy materials, making them suitable for multiple industries.

    Additionally, KOSUN centrifuges produce drier sludge cakes than many alternative methods, reducing the need for additional treatment and improving overall efficiency.

    Their environmentally friendly design generates less waste and supports a smaller carbon footprint compared with other dewatering solutions.
     

     
    Can KOSUN Decanter Centrifuges Be Customized for Specific Applications?

    Yes. KOSUN decanter centrifuges can be customized according to application requirements. The centrifuge size, design, and construction materials can be adjusted to handle different sludge types and processing volumes.

    KOSUN also provides optional features such as variable speed control and automated feed systems to improve performance. Working with KOSUN’s engineering team ensures the centrifuge meets specific operational needs.
     
    Should You Choose a KOSUN Decanter Centrifuge for Your Sludge Dewatering Needs?

    A KOSUN decanter centrifuge for sludge dewatering is a reliable and efficient solution for many industries. Its high capacity, compact design, low maintenance requirements, and flexibility make it a strong choice.

    Before selecting a system, evaluate your application needs and consult KOSUN’s experienced team to customize the centrifuge for optimal performance.

    With growing environmental regulations, KOSUN decanter centrifuges also provide a sustainable option by reducing waste and lowering carbon emissions.
     
    Tips for Maintaining and Extending the Lifespan of KOSUN Decanter Centrifuges

    To maintain performance and extend service life, follow these maintenance practices:

     – Regularly inspect and replace worn components such as bearings, seals, and gaskets.

     – Keep the centrifuge clean and prevent debris buildup.

     – Monitor operating speed and feed rate to maintain efficiency.

     – Follow proper procedures and avoid overloading the machine.

     – Schedule routine inspections and servicing with KOSUN technicians.

    Following these steps helps ensure efficient operation, longer equipment life, and reduced long-term costs.

  • CP Series Centrifugal Pumps Exported to Israel

    KOSUN recently shipped a batch of solids-control centrifugal pumps, which will ultimately be used in a trenchless mud recycling project in Israel. The customer is a local Israeli import trading company that regularly procures core equipment and materials from China, Turkey, and other sources, including mud purification systems, drilling support equipment, drilling fluid additives, bentonite, drill tool accessories, and more, to specifically serve local horizontal directional drilling (HDD) projects.


     
    The products purchased in this order are the CP34-11 centrifugal sand pumps, with a processing capacity of 60 m³/h, a power rating of 11 kW, a suction (inlet) diameter of 4 inches, and a discharge (outlet) diameter of 3 inches.

    These pumps are primarily used as feed pumps for desanders and desilters, continuously delivering rated flow and providing a stable mud supply to achieve solid-liquid separation. They can also serve as mixing pumps for jet hoppers (mud mixers) and as charging/feeding pumps for drilling rigs. The pump casing, impeller, wear liners, and other components are made of high-chrome abrasion-resistant alloy cast iron, which effectively resists erosion from quartz sand and cuttings in the drilling fluid.

    Compared with ordinary cast iron sand pumps, the service life is increased by 2 to 3 times. These pumps meet a wide range of system requirements and are well-suited for mud circulation and supply in small to medium-sized HDD trenchless projects.

     

     
    The CP Series centrifugal pump has long been a key equipment item for our Israeli customer. They have been partnering with KOSUN for over 8 years, with cumulative purchases of more than one hundred pumps to date. The supply-demand relationship remains stable, making them a high-quality, long-term partner built on a strong foundation of mutual trust.
     

  • KOSUN Delivers Mud Storage & Treatment System to Algeria

    As summer brings renewed momentum, KOSUN Machinery has completed the manufacturing, inspection, and loading of a customized oil drilling mud storage and treatment system for an Algerian client. A total of 32 truckloads of equipment are now being transported via the ports of Lianyungang and Shanghai for shipment to Algeria.

     
    The project features KOSUN's independently developed drilling mud storage and treatment solution, covering the full mud lifecycle through three key modules:

    – Mud Purification (Solids Control): Ensures efficient drilling fluid purification and stable drilling operations.
    – Zero-Discharge Environmental Treatment: Utilizes solid-liquid separation, oil-water separation, wastewater treatment, and resource recovery to reduce environmental impact.
    – Mud Station: Supports mud recovery, mixing, storage, and continuous supply throughout drilling operations.

    Together, these systems improve resource utilization, reduce waste, lower operating costs, and support environmentally sustainable oilfield development.
     

     
    As a strategic project in North Africa, the Algerian client required high standards for reliability, environmental adaptability, process accuracy, and production capacity. In response, KOSUN established a dedicated project team to oversee design, manufacturing, and quality assurance while strictly following international standards.

    Despite challenges including complex configurations and tight delivery schedules, KOSUN maintained rigorous quality control throughout production. Multiple inspections were conducted on critical components and assembly processes to ensure product reliability and performance.

    To ensure safe international delivery, KOSUN developed a detailed logistics plan, dispatching equipment in batches through Lianyungang and Shanghai ports. Dedicated personnel supervised loading, securing, and protective packaging to minimize transportation risks.
     

     
    The successful completion of this project demonstrates KOSUN's advanced manufacturing capabilities, strong project execution, and global delivery expertise. It also marks an important milestone in the company's international expansion strategy, further strengthening its presence in North Africa.

    Guided by its philosophy of "Craftsmanship Creates Quality, Reputation Wins Markets," KOSUN continues to focus on solid-liquid separation and sludge treatment technologies while advancing product innovation, performance, and global service capabilities.

    Looking ahead, KOSUN remains committed to delivering high-quality products, efficient solutions, and comprehensive services to customers worldwide, supporting the continued growth of Chinese manufacturing in international markets.

  • How KOSUN KSMR Series Improves HDD Drilling Efficiency and Reduces Waste

    The KSMR Series HDD mud recycling system from KOSUN is specifically engineered to improve drilling efficiency, reduce waste, and lower operational costs in horizontal directional drilling (HDD), geothermal, and resource extraction projects. With over 20 years of solids control expertise, KOSUN delivers reliable mud cleaning, recovery, mixing, and storage solutions for projects ranging from 200 to 1000 GPM capacity. Whether laying a pipeline under a city or drilling a water well in a remote location, the KSMR series provides the performance you need.

     
    Compact and Efficient Design for Small to Medium Projects
    The KSMR-200 and KSMR-350 models are designed for small HDD, geothermal, and water well projects where space is limited and portability matters. Equipped with double-deck shale shakers, these systems achieve two-stage solids separation in a compact footprint. This integrated design makes them easy to transport and allows operation in tight urban workspaces where larger equipment cannot fit. Despite their small size, these mud recycling systems deliver powerful solids control that keeps drilling fluid clean and project costs under control.
     
    Advanced Multi-Stage Purification for Demanding Operations
    For medium and large drilling operations, the KSMR-500 and KSMR-1000 offer advanced three-stage purification using shale shakers, desander cyclones, and desilter cyclones. This multi-stage approach progressively removes finer and finer solids from the drilling fluid, resulting in superior mud quality that enhances drilling performance. The KSMR-500 is ideal for projects up to 500 GPM, while the KSMR-1000 handles the most demanding large-scale HDD and coalbed methane operations with ease. By maintaining stable mud properties even during continuous, high-volume drilling, these systems reduce waste discharge, lower additive consumption, and extend the life of downstream equipment.
     
    Integrated Mud Mixing System for Closed-Loop Recycling
    The KSMR series includes an efficient mud mixing system that quickly restores drilling fluid properties by evenly mixing additives such as bentonite and polymers. After the mud undergoes multi-stage purification, the mixing system allows operators to adjust viscosity, density, and other key parameters to match specific formation requirements. This closed-loop recycling process significantly reduces fresh water usage, minimizes waste volume, and lowers the overall environmental footprint of the drilling operation. Less water to buy, less waste to haul, and better drilling performance — that is the KSMR advantage.
     
    Built for Reliability and International Standards
    KSMR systems are built for demanding drilling environments. Every unit features explosion-proof, dust-proof, and rain-proof electrical systems, ensuring safe and reliable operation in harsh conditions — from dusty desert sites to wet coastal locations. Certified to the API, CE, and ISO14001 international standards, the KSMR series meets global safety and environmental requirements, making it suitable for export and use in regulated markets worldwide. When you choose KOSUN, you are choosing equipment that is tested, certified, and ready to work.

    From the lightweight KSMR-200 to the large-capacity KSMR-1000, KOSUN HDD mud recycling systems resolve the conflict between space and efficiency through finely tiered technical solutions. By selecting the appropriate model, customers can achieve both cost optimization and compliance with environmental standards.

  • Characteristics of the KOSUN MA Series Mud Agitator

    In oilfield drilling operations, the mud agitator is an essential component of the drilling fluid tank in a solids control system. Its main function is to continuously mix drilling fluid and keep solid particles suspended, ensuring uniform fluid properties during circulation. The KOSUN MA Series Mud Agitator is designed specifically for petroleum drilling fluid mixing, helping maintain stability and consistency throughout the drilling process.
     


    Turbine Mud Agitators for Drilling Fluid Mixing

    Turbine mud agitators are widely used in drilling fluid systems because they handle a wide range of fluid viscosities and provide efficient mixing. There are two main types: open turbine agitators (straight, inclined, and curved blades) and disc turbine agitators (blades mounted on a disc structure). These designs generate strong fluid circulation and are suitable for liquid-solid suspension and liquid mixing in low- to medium-viscosity fluids.
     
    Key Features of the KOSUN MA Series Mud Agitator

    The KOSUN MA Series Mud Agitator offers several important features:
    – Compact structure with a small installation footprint
    – Efficient turbine mixing that keeps solids evenly suspended
    – High torque transmission using a turbine-worm gear reducer (for units above 7.5 kW)
    – Stable and reliable operation in demanding drilling environments

     
    Conclusion

    Mud agitators play a crucial role in oilfield solids control systems, ensuring drilling fluid remains uniformly mixed and solids remain suspended. The KOSUN MA Series Mud Agitator is designed specifically for drilling fluid mixing applications. With its compact design, efficient turbine mixing structure, and high-torque transmission system, it provides reliable and effective agitation for drilling fluid tanks. By maintaining consistent drilling fluid properties, the KOSUN mud agitator contributes to improved drilling efficiency, operational stability, and solids control performance.

  • KOSUN Solids Control System: Modular Design Leads the Innovation of Drilling Purification Technology

    In oil drilling and geological exploration, the KOSUN solids control system acts as an efficient "purification hub," achieving multi-level treatment and recycling of mud through modular design. This system, integrating vibrating screens, desanders, desilters, centrifuges, and other equipment, can be flexibly configured with processing capabilities ranging from 350HP to 2000HP based on different well depths. It operates as an independent unit or in coordination, making it core equipment in modern drilling engineering.
     


    Core Value: Flexibility and Efficiency
    The core value of the KOSUN solids control system lies in its flexibility and efficiency. The system adopts a factory pre-assembly design, with all functional components integrated into an integral base. On-site, it only needs pipes and electrical connections to be put into use. This skid-mounted structure reduces floor space by 30% compared to traditional decentralized installation. It can be transported as a whole during relocation, significantly shortening equipment turnover time. The rapid installation feature shortens the drilling preparation cycle by 40%, while the compact design saves valuable space resources on the operation platform.
     
    Deep Well Drilling: Outstanding Adaptability
    In deep well drilling, the KOSUN solids control system demonstrates outstanding adaptability. The system works with a 750HP workover rig or a 2000HP drilling rig. By adjusting the combination of processing equipment at each level, it meets different needs — from shallow development to ultra-deep well drilling. The KOSUN 650HP system, through five-stage purification treatment, controls sand content in the mud to below 0.5%, effectively protecting downhole power tools and increasing mechanical drilling speed by 18%.
     
    Unconventional Oil and Gas: Quality Guardian
    In unconventional oil and gas development, the KOSUN solids control system plays the role of "quality guardian." Its modular design allows flexible adjustment of processing techniques based on formation characteristics, such as increasing centrifuge stages in tight oil development and strengthening vibrating screen configurations in horizontal shale gas wells.
     
    Future Innovation: Intelligence and Automation
    As drilling technology moves toward intelligence, the KOSUN solids control system is continuously upgrading. The new generation integrates remote monitoring functions, adjusting operating parameters in real time and featuring an intelligent early warning system. For special environments like polar exploration and deep-sea drilling, this "purification hub," combining flexibility and reliability, will continue providing strong technical support for energy development. Through continuous innovation, KOSUN has enabled the skid-mounted solids control system to maintain easy installation while constantly improving processing accuracy and automation — setting new performance benchmarks for global drilling operations.
     
    Conclusion
    The KOSUN solids control system delivers modular design, flexible configuration, and intelligent operation for modern drilling. From 350HP to 2000HP, 30% less footprint, 40% faster preparation, and 0.5% sand content, it is the reliable choice for shallow wells, ultra-deep wells, and unconventional oil and gas development.
     
     

  • KOSUN Desander: High-Efficiency Solid-Liquid Separation for Drilling and Mining

    In modern industrial production, solid-liquid separation technology plays a vital role. As a core device in solids control systems, the KOSUN desander delivers outstanding performance, making it the preferred equipment in drilling, mining, and other industrial fields. This secondary solids control equipment effectively separates solid particles within the 45 to 74 micron range, providing high-quality slurry for subsequent treatment processes.
     

    Modular Design and Durability
    The KOSUN desander features a modular design, allowing flexible configuration of 1 to 3 cyclone units (10-inch or 12-inch) based on processing requirements. Core components are made of polyurethane or high-chromium cast iron — wear-resistant and impact-resistant — extending equipment service life. The clamp-type connection design simplifies maintenance and reduces downtime.
     
    Oil Drilling Applications
    In oil drilling, desanders and sand pumps form a complete solids control system. The sand pump conveys sand-containing slurry to the desander for fine separation. This combination is especially valuable on offshore drilling platforms, which must handle high sand content while adapting to harsh marine environments.
     
    Mining Applications
    During mining operations, the desander and sand pump system jointly process pulp. The sand pump mixes and transports ore sand with water, while the desander finely classifies the pulp to ensure smooth beneficiation. In precious metal mining — such as placer gold — this combination effectively increases mineral recovery rates.
     
    Technological Advancements
    The new generation of desanders has adopted nano-composite wear-resistant materials, increasing key component service life by more than 30%. Intelligent control systems enable real-time monitoring and automatic parameter adjustment, further enhancing stability and efficiency.
     
    Environmental Protection and Future Outlook
    The water circulation treatment function of KOSUN desanders has gained more attention amid strict environmental regulations. Their efficient solid-liquid separation significantly reduces wastewater discharge, supporting green production. Looking ahead, desanders will integrate with IoT technology for remote monitoring and predictive maintenance.
     
    Conclusion
    From oil drilling to mining, from infrastructure to environmental projects, KOSUN desanders deliver reliable performance and flexible configuration. On the path toward efficient and environmentally friendly industrial development, this professional equipment plays an increasingly important role.

  • KOSUN Mud Cooling System : General Purpose vs. Offshore Dedicated Models

    In the fields of deep, ultra-deep, and HPHT (high-pressure, high-temperature) well drilling, bottom-hole temperatures often exceed 200°C. High-temperature drilling fluids not only shorten the lifespan of drill bits but also pose significant threats to operational safety. To address this challenge, KOSUN has developed two core mud cooling systems specifically designed for the extreme conditions of both onshore and offshore environments.

     

    Onshore General Purpose: The "Energy-Saving Champion" for Extreme Terrains
    The general-purpose system (such as the KSNQ-150) is specifically designed for arid, water-scarce, permafrost, or deep-well environments. Utilizing a closed-loop cooling method with specialized finned heat exchange tubes, it boosts efficiency by 10%, achieving a temperature reduction of 20–40°C. The core of this system lies in its intelligent self-control: the system automatically activates evaporation mode when the dry-running mode is insufficient for cooling. This design significantly minimizes water evaporation—making it ideal for deserts and water-scarce regions—while the unique piping arrangement provides excellent anti-freezing and anti-scaling capabilities.
     
    Offshore Dedicated Model: The "Space Master" for Marine Platforms
    Deck space on offshore drilling platforms is at a premium. The KOSUN offshore dedicated model (KSNQ-150.1) has undergone a structural revolution:
    Compact Structure: By utilizing a high-efficiency plate heat exchanger, the footprint has been dramatically reduced from 15 m² to just 5 m² for the same processing capacity.
    Powerful Heat Exchange: It supports two-stage heat exchange, achieving a maximum temperature reduction of up to 50°C.
    Extreme Corrosion Resistance: The core components are made of specialized materials with superior resistance to sea salt and corrosion, ensuring durability against harsh salt spray.
    Real-time Monitoring: An all-intelligent control system provides real-time data collection of pressure, flow rate, and temperature.

    Whether facing the arid conditions of onshore deserts or the space-constrained, high-salinity offshore environments, KOSUN provides customized solutions to achieve precise temperature control of drilling fluids. The power of technology makes energy extraction more efficient and secure.

  • Achieving 2μm Precision: How KOSUN High-G Decanting Centrifuge Optimizes Mud Recovery

    The Challenge of Fine Solids in Drilling
     
    In modern oilfield operations, the "invisible enemy" is colloidal solids. Particles smaller than 5 microns significantly increase plastic viscosity, leading to premature equipment wear. While a standard decanter centrifuge might struggle with ultra-fines, the KOSUN DC series decanting centrifuge is specifically engineered for this high-precision separation.

     
    The Power of 3000G Centrifugal Force
     
    Separation efficiency in any decanter centrifuge depends on G-force. By reaching rotation speeds up to 3,900 RPM, the KOSUN decanting centrifuge generates a continuous centrifugal force of 3,000G. This massive acceleration ensures that solids as small as 2μm are effectively removed. For operators using expensive Oil-Based Mud (OBM), this decanting centrifuge ensures a much higher recovery rate, maintaining a cleaner active mud system and reducing total well costs.
     
    The "Long Beach" Advantage for Drier Solids
     
    A key differentiator of the KOSUN decanter centrifuge is its unique "Long Beach" area design. By extending the residence time of solids in the drying zone of the bowl, this decanting centrifuge ensures that discharged cuttings carry minimal liquid.
    Drier Cuttings: Lowers waste disposal and transportation costs.
    Maximum Fluid Recovery: Returns high-value drilling fluids back to the system immediately.
     
    With a superior length-to-diameter ratio and high-speed stability, the KOSUN decanter centrifuge is more than just waste processing equipment—it is a precision tool for fluid asset management. Investing in a high-performance decanting centrifuge is the most direct path to increasing your Rate of Penetration (ROP).