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  • KOSUN & Penza Oblast: Strengthening Ties and Exploring New Frontiers in Environmental Engineering

    Xi'an, March 24, 2026 — A delegation from Penza Oblast, Russia, visited Xi'an KOSUN Machinery Co., Ltd. (hereinafter referred to as "KOSUN") for an in-depth exchange. Mr. Geng Feng, Chairman of KOSUN, personally led the senior management team to extend a warm welcome.
    This visit marks another trip to Xi'an, Shaanxi, by representatives from various industries in Penza Oblast, as well as a follow-up on-site factory inspection following previous communications. This event signifies a solid step forward in the cooperation between China and Russia within the machinery manufacturing sector.
     
    Discussion on Development | Joining Forces to Expand International Markets

    The delegation, consisting of entrepreneurs and government officials from various sectors including industry, energy, and environmental protection in Penza Oblast, held an industry exchange symposium chaired by Chairman Geng Feng. Despite the language barrier, the discussion was highly efficient and pragmatic with the assistance of professional interpreters. In his welcoming speech, Chairman Geng Feng stated: "It is a great honor to host the delegation. KOSUN highly values international cooperation and is optimistic about the prospects of collaborating with Russia in the energy and environmental protection machinery sectors. The 'Belt and Road' Initiative aligns perfectly with Russia’s 'Eurasian Economic Union' strategy, creating excellent opportunities for mutual cooperation."
    During the meeting, KOSUN delivered a detailed presentation on its technological advantages and innovations in solids control equipment and drilling waste management, sharing China's experience in the intelligent and "green" transformation of machinery manufacturing. Representatives from Penza Oblast introduced their local market demands and investment environment. The two sides exchanged views on technology transfer and equipment customization, reaching several preliminary cooperation intentions. The head of the delegation remarked that China's development is astonishing, and KOSUN’s technical strength exceeded their expectations, expressing full confidence in the future of Sino-Russian cooperation.
     
    Field Visit | Witnessing the Strength of Chinese Manufacturing

    Following the exchange, Chairman Geng Feng personally accompanied the delegation deep into the KOSUN production workshops. They conducted an on-site tour of the production lines for core products, including drilling fluid centrifuges, shale shakers, and mud cleaners, experiencing firsthand the exquisite craftsmanship and rigorous quality control systems of Chinese machinery manufacturing. From raw material cutting to finished product testing, and from the assembly lines to environmental treatment processes, Chairman Geng Feng provided a detailed introduction to the company's production workflows, technological innovations, and "green" philosophy. The delegation members spoke highly of KOSUN's comprehensive capabilities.
    In the key equipment exhibition area, technicians demonstrated the independently developed solids control equipment by KOSUN. This system enables highly efficient purification and recycling of drilling fluids, significantly reducing drilling costs and environmental impact. This technology sparked intense interest among the delegation members, who stopped to inquire about technical details and took photographs for their records.

    Deepening Cooperation and Friendship | Co-creating a New Blueprint for Sino-Russian Economic and Trade Cooperation

    It is worth noting that this visit was not the first contact between the two parties. Previously, under the promotion of Chairman Geng Feng, KOSUN had already established connections with several enterprises in Penza Oblast through online meetings and other channels. This in-person visit has further solidified the foundation for cooperation and built a strong sense of trust for future substantive collaboration.
    The visit of the Penza Oblast delegation to KOSUN, personally hosted and promoted by Chairman Geng Feng, not only facilitated information sharing and technical exchange in the machinery manufacturing sectors of China and Russia but also built a bridge for pragmatic cooperation. This event holds great significance for advancing Sino-Russian economic and trade cooperation under the "Belt and Road" Initiative. KOSUN will take this as an opportunity to continuously enhance its technological innovation capabilities, expand its international cooperation footprint, and contribute to the deep integration of Chinese and Russian machinery manufacturing.
     
    About KOSUN
    Since its establishment in 1992, KOSUN has remained deeply committed to the research, development, and production of specialized environmental protection equipment. The company holds 53 core technical patents in key fields such as solid-liquid separation and sludge reduction, maintaining a leading position in the industry. Its independently developed vibration separation and centrifugal separation technologies have been successfully implemented across various scenarios, including petrochemicals and mine remediation. These solutions help customers reduce pollutant emissions by over 30%, delivering significant environmental value and economic efficiency.
    As a leading enterprise in China’s solids control industry and a professional service provider in drilling waste management, KOSUN is also the longest-standing manufacturer of drilling fluid centrifuges in Northwest China. Integrating R&D, design, manufacturing, and sales services, its product portfolio covers 25 categories across four major series, including solids control equipment, drilling waste management equipment, and environmental separation equipment. With a business footprint spanning over 70 countries and regions, KOSUN provides professional solutions for the oil and gas, environmental protection, and mining industries.
    Currently, as global environmental governance enters a new phase of intelligent and low-carbon transformation, KOSUN is using technology as a bridge to actively seek deep cooperation with Russian enterprises. The company plans to introduce China’s advanced and efficient environmental technologies—such as solid waste disposal, river dredging, and wastewater treatment—to the Russian market. By empowering local industrial green upgrades with "hardcore" intelligent manufacturing, KOSUN aims to join hands with partners to build a new future of synergistic development between ecology and industry.

  • We invite you to the Australian Petroleum Exhibition

    About the exhibition

    Energy Exchange Australia (EXA) is Australia's largest oil and gas exhibition. It is organized by Dversified Australia and receives strong support from the Australian Department of Minerals and Energy.
    EXA, held for over 40 years, is a major global event for the oil, gas, and energy industry. It is also the best platform for Chinese companies to enter the Australian market and explore cooperation potential. The exhibition attracts professionals from oil and gas companies, energy suppliers, technology service providers, and related enterprises worldwide. The previous exhibition covered 20,000 square meters, with 423 exhibitors from China, the United States, Mexico, Brazil, Chile, Poland, Russia, New Zealand, India, Dubai, and other countries, attracting 24,562 attendees.

    Market Background 

    The current Australian energy and mining market presents significant opportunities: as the energy gateway to the Asia-Pacific region, Australia connects to Asia's vast energy demand market, and the government provides substantial subsidies and tax incentives for low-carbon technologies such as CCUS and hydrogen energy; at the same time, local industries face the challenge of rising operating costs and urgently need high-quality Chinese equipment and technology solutions. This exhibition presents a crucial opportunity for Chinese enterprises to move from "product export" to "brand establishment."
     
     

    Exhibited products

    HDD Mud Recovery System

     
    Artificial intelligence and big data technologies have become major hot topics in recent years, and discussions about AI have never ceased. How will this industry develop in the future, and what benefits will it bring to human production and life? Which industries can seamlessly utilize artificial intelligence? Let's wait and see!

    Solids Control Systems

    Solids control systems typically consist of 3-7 mud tanks and are equipped with 5-stage solids control, chemical dosing, and weighting equipment to meet the needs of drilling rigs ranging from 250HP to 3000HP.

     

    OBM Drilling Cuttings Waste Treatment

    Oil-based drilling mud non-landing systems, also known as cuttings non-landing systems or drill cuttings non-landing systems, mainly consist of a cuttings dryer, a high-speed variable frequency centrifuge, a skid-mounted integrated tank, a submersible slurry pump, a mixer, a screw conveyor, and cuttings boxes. It combines process technology with equipment to achieve non-landing disposal of waste drilling mud during drilling, eliminating the need for drilling teams to dig mud pits, significantly saving resources and reducing drilling costs.

    WBM Drilling Cuttings Waste Treatment

     
    water-based drilling cuttings waste treatment can recycle and treat drilling fluid waste, reduce processing costs, recover useful mud or water, achieve resource reuse, avoid environmental pollution from waste, and meet local government regulations on environmentally friendly waste discharge requirements.
     

    Mining Drilling Mud Treatment System

     
    In the mining industry, mining drilling mud treatment systems utilize core equipment such as vibrating screens, centrifuges, mixing devices, mud tanks, sand pumps, and screw conveyors to achieve efficient mud purification and circulation. This precise treatment of mud containing rock powder and slag during mining operations not only deeply purifies the mud and improves the accuracy of core sampling, providing reliable data for resource exploration, but also effectively ensures drilling efficiency and wellbore stability, guaranteeing continuous mining operations.
     
    More importantly, the efficient separation and treatment of slag significantly reduces the risk of soil and groundwater pollution from harmful substances in the mud, strictly complying with environmental protection requirements.
     
    Application areas: Iron ore, copper ore, coal mines, limestone mines, etc.

    Oily Sludge Treatment System

     
    The oily sludge treatment system mainly addresses the treatment of waste oily sludge generated during drilling, and the oil content in the solid phase after treatment can reach <1%.

    Slurry Separation System

     
    The slurry separation system is a specialized mud treatment equipment developed by our company. It is suitable for the purification of mud in projects such as mud-water balance shield tunneling, diaphragm walls, and pile foundations using circulating drilling technology. Using this system helps control mud performance, enhance borehole quality and efficiency, fully support and ensure the safe and smooth operation of tunneling equipment, and improve the recycling and reuse of mud. It not only saves construction costs but also reduces mud discharge and environmental pollution, making it an essential piece of equipment for economical, efficient, and environmentally friendly construction.

  • KOSUN Machinery to Showcase Cutting-Edge Energy Solutions at Energy Exchange Australia 2026

    Xi'an KOSUN Machinery Co., Ltd., a global leader in solids control and drilling waste management, is proud to announce its participation in the upcoming Energy Exchange Australia (EXA), taking place from March 10-12, 2026, at the Perth Convention & Exhibition Centre.
     
    As a premier event for the Australasian energy industry, Energy Exchange Australia brings together global innovators and industry leaders. KOSUN will be exhibiting at Stand Number: N4, presenting its latest advancements in green technology and high-performance engineering tailored for the Australasian market.
     
    Innovating for a Greener Energy Future
     
    At the heart of KOSUN’s exhibition will be its comprehensive suite of solutions designed to meet the rigorous environmental and operational standards of modern drilling. Key highlights include:
     
    Advanced Solids Control: Showcasing the KSMR500 and other high-efficiency modular systems for superior mud recycling.
     
    Integrated Waste Management: Demonstrating "Zero-Discharge" and closed-loop systems that maximize resource recovery and minimize environmental impact.
     
    HDD & Mining Solutions: Offering specialized, high-durability purification equipment designed for trenchless construction and mining operations.
     
    Strengthening Global Partnerships
    Australia remains a strategic pillar in KOSUN’s global expansion. "We are excited to connect with our partners and clients in Perth," stated a representative from KOSUN. "Participating in EXA 2026 allows us to showcase not only our flagship machinery but also our commitment to 'Made in China' excellence. Our goal is to provide the Australian energy sector with sustainable, low-carbon, and intelligent processing solutions that drive operational efficiency."
     
    Event At-A-Glance
    Event: Energy Exchange Australia 2026
    Date: March 10 – March 12, 2026
    Venue: Perth Convention & Exhibition Centre
    KOSUN Stand: N4
     
    KOSUN Machinery cordially invites all industry professionals, partners, and media representatives to visit Stand N4 to explore the future of sustainable energy development.

  • Forge Ahead with the Spirit of the Horse: KOSUN 2026 New Year Message

    As the wheel of time turns, we bid farewell to the Year of the Snake and gallop into the promising Year of the Horse (2026).
    Reflecting on our journey, Xi'an KOSUN Machinery remains deeply rooted in the historic soil of Xi’an, staying true to our founding principle: "Excellence in Profession, Prosperity through Precision." With high-end equipment manufacturing as our cornerstone, we have navigated industry tides with a spirit of craftsmanship, writing a bold new chapter for "Intelligent Manufacturing" on the global stage.
    Whether you are a member of the KOSUN family, a strategic partner, or a long-standing friend of the brand, we extend our most sincere gratitude and warmest New Year wishes to you.
     
    Extraordinary Achievements Through Steadfast Dedication
     
    The past year was defined by resilience and depth. KOSUN has demonstrated the true responsibility of a leading manufacturer through concrete actions rather than slogans.
     
    R&D Breakthroughs & Technical Leadership: Our R&D teams have pushed the boundaries of Drilling Waste Management (DWM) and Solids Control technologies. By optimizing core parameters for Oil-Based Cuttings (OBC) treatment and Zero-Discharge systems, we ensure KOSUN remains at the forefront of the global energy and environmental sectors.
     
    Precision Engineering & Quality Assurance: On the factory floor, our technicians uphold the most rigorous standards. From Decanter Centrifuges to Vertical Cuttings Dryers, every piece of equipment is a testament to KOSUN’s commitment to reliability and durability.
     
    Global Reach & "Belt and Road" Excellence: Our sales and service teams have traversed the globe, from the strategic hubs of the "Belt and Road" initiative to remote project sites. We deliver not just hardware, but integrated turnkey solutions and a promise of professional localized support, ensuring peace of mind for our clients worldwide.

     
    2026: Galloping Toward a Sustainable Future
     
    The Year of the Horse represents energy, speed, and progress. Standing at this new threshold, KOSUN will continue to specialize in the Solid-Liquid Separation sector and leverage our manufacturing prowess to expand our global footprint.
     
    Innovating for the Future: We will continue to inject "Smart" capabilities into our hardware. By integrating automation and IoT monitoring into our waste management systems, we aim to provide even more efficient and eco-friendly solutions for the global energy industry.
     
    Deepening Global Integration: KOSUN will further strengthen its global service network, focusing on localized operations and resource integration. We seek to build an open, win-win ecosystem with partners to bridge the infrastructure gap along the Silk Road with "Hardcore" equipment strength.
     
    Empowering Growth: We remain committed to providing a platform where every employee can thrive, ensuring that technical innovation and market expansion go hand in hand.
     
    May we all embrace the "Dragon-Horse Spirit"—a symbol of vitality and success. Whether tackling complex technical challenges or exploring new frontiers in the global market, KOSUN is ready to bridge the future with intelligent manufacturing and sustainable innovation.

     
    Wishing you a prosperous Year of the Horse!
    May your journey be swift, your success be great, and your future be bright.
     
    Happy New Year!

  • KOSUN Liquid Mud Plant, Empowering Green Construction and Showcasing Intelligent Manufacturing Excellence

    In the modern engineering landscape where efficiency and environmental protection are paramount, traditional drilling mud treatment modes—characterized by large footprints, high energy consumption, and pollution risks—can no longer meet rigorous construction demands. KOSUN’s Liquid Mud Plant (LMP), with its integrated design of "Storage, Mixing, Purification, Circulation, and Solids Separation," redefines mud treatment standards as a high-efficiency, eco-friendly solution for the oil and petrochemical sectors.

     
    A Green Engine for Cost Reduction and Efficiency
     
    The core function of the LMP is to resolve traditional mud mixing and storage challenges while building a comprehensive treatment ecosystem. Rather than a simple storage unit, it is a large-scale integrated system (1,000m³+) that ensures stable storage while facilitating automated mixing, multi-stage purification, closed-loop circulation, and solids-liquid separation. Serving as the "Blood Supply Station" for drilling engineering, it covers the entire lifecycle of mud management for oil drilling and geological exploration.
    To adapt to diverse project scales and working conditions, KOSUN offers multiple capacities including 7500BBL, 15000BBL, 30000BBL, and 45000BBL. Its vertical tank layout reduces the footprint by over 40% compared to traditional horizontal or ground-level mud pits. Furthermore, KOSUN provides customized configurations, such as Oil-Based Mud (OBM) plants and Water-Based Mud (WBM) plants, to suit specific geological requirements.

     
    Dual Assurance, Green Construction and Safety Quality
     
    Environmental compliance and operational safety are the hallmarks of KOSUN's LMP mud system. The fully enclosed operation prevents leaks and spills, effectively protecting soil and groundwater. This helps enterprises achieve "Green Construction" and "Clean Production" targets while enhancing their corporate social responsibility profile. Meanwhile, stabilized mud performance ensures reliability for drilling and exploration, significantly improving borehole quality and construction efficiency—a true win-win for project quality and environmental benefits.

     
     Mud Tank Production: Plate Rolling & Fabrication

    The Foundation of Quality, Precision Control of Core Components
     
    The excellence of the LMP system stems from KOSUN’s robust in-house manufacturing capabilities. Utilizing advanced plate rolling machines, KOSUN processes tank bodies of various sizes with industry-leading precision. As the core equipment for fabricating tanks and structural supports, KOSUN’s plate rolling technology combines mass production with bespoke customization. By eliminating reliance on external processing, KOSUN controls component precision and strength from the source, ensuring superior sealing and structural stability—a testament to its integrated "R&D – Production – Sales" prowess.
    Today, KOSUN Liquid Mud Plants are widely deployed across the oil and petrochemical sectors, serving as a strategic partner for mud circulation projects worldwide. Through innovative technology and reliable products, KOSUN empowers customers to overcome drilling mud management challenges, seize market opportunities, and inject strong momentum into the green transformation of modern engineering.

  • KOSUN Slurry Separation System Dispatched to Australia, Boosting Green Construction for Overseas Infrastructure

    Recently, a Slurry Separation System (also known as a Mud-Water Separation System) custom-designed by KOSUN for a large-scale infrastructure project in Australia was officially dispatched from its Xi’an manufacturing base to the project site. This core equipment, with a maximum processing capacity of 140 m³/h, underwent rigorous R&D, production, and commissioning. It is precision-engineered to meet local excavation mud treatment requirements, providing high-efficiency, eco-friendly, and energy-saving solid-liquid separation solutions. This delivery supports the dual goals of green construction and resource recycling for overseas infrastructure, showcasing the "Hardcore Strength" of "Made in China" in the environmental protection equipment sector.
     

     
    Precision Adaptation to Rigorous Requirements
     
    The system shipped this time is a core piece of equipment customized by KOSUN, specifically tailored to the geological characteristics and environmental regulations of the Australian project. Infrastructure projects in Australia often involve complex geological conditions, generating large volumes of mud with high sand and water content during excavation. Improper handling not only hinders construction efficiency but also risks polluting local soil and water resources. Australia maintains world-leading environmental standards, imposing strict requirements on mud treatment efficiency, separation precision, and discharge metrics.
     
    01. Modular Design: Solving Industry Pain Points
    To meet client needs precisely, KOSUN assembled a specialized R&D team. Leveraging years of technical expertise in solid-liquid separation, the team performed a comprehensive optimization of the system. The system utilizes a modular integrated design, incorporating core components such as high-efficiency mud cleaners, high-capacity mud tanks, agitators, and wear-resistant sand pumps. This setup achieves full-process automation and intelligent control for mud treatment.
     
    02. Efficient Separation & Recovery: Enabling Green Disposal
    During operation, the system rapidly performs solid-liquid separation on excavation slurry. The separated solid phase (cuttings/solids) can be recycled directly as construction backfill or recycled aggregate, effectively reducing solid waste disposal volume. The liquid phase undergoes multi-stage flocculation and sedimentation; the resulting water meets stringent Australian wastewater discharge standards, allowing for direct discharge or reuse in construction. This addresses industry pain points such as low efficiency, high environmental pressure, and resource waste.
     
    03. Strict Quality Control: Winning Client Trust
    During production and commissioning, KOSUN strictly adhered to international quality control standards. Every component and production process underwent rigorous inspection. The equipment passed multiple rounds of testing, including no-load commissioning, load testing, and simulated working condition operations. These tests verified operational stability, separation precision, and environmental performance, ensuring rapid installation and deployment upon arrival at the site, thereby minimizing the construction cycle and reducing operational costs for the client.
     

    Slurry Separation System Being Loaded

     
    Empowering Global Green Construction through Innovation
     
    In recent years, KOSUN has continued to expand its presence in overseas markets. Driven by the core competitiveness of "Customized Design + Full Lifecycle Service," the company has provided slurry separation equipment, solids control systems, and other environmental solutions to hundreds of infrastructure projects across the Middle East, Africa, Latin America, Southeast Asia, and Australia. The successful delivery of this Australian project further enhances KOSUN’s influence in the high-end overseas engineering equipment market and provides valuable experience for the international expansion of Chinese environmental equipment.
    Looking ahead, KOSUN will continue to specialize in the field of solid-liquid separation, increasing investment in R&D and focusing on intelligent, high-efficiency, and low-carbon product upgrades. By optimizing its global service network and delivering premium quality, KOSUN aims to represent the excellence of "Made in China," driving higher-quality growth for Chinese environmental equipment in the global market and contributing to sustainable development in global infrastructure.
     
     

    KOSUN Overseas Project References

  • Precision Engineering for Russia, Empowering the Oilfields! KOSUN High-Efficiency Vacuum Degassers Dispatched to Russia

    Recently, a batch of specialized vacuum degassers for drilling oilfields from Xi'an KOSUN (KOSUN) has officially set off for a drilling project site in Russia. Following comprehensive factory inspections and standardized protective packaging, the shipment is being escorted by a professional cross-border logistics team. This delivery is not only a fulfillment of our commitment to the customer but also signifies that KOSUN’s degassing equipment will continue to provide reliable support for the efficient and safe development of local oilfield operations in Russia.

    High Efficiency Vacuum Degasser Adapted to Oilfield Conditions
    The equipment dispatched this time was manufactured in accordance with international and Russian industry standards and is widely compatible with mud treatment processes on various onshore drilling rigs. Featuring high degassing efficiency, resistance to high-pressure sand/dust, and adaptability to extreme temperature fluctuations, these units can rapidly remove harmful gases from drilling fluids to prevent gas cutting and mitigate the risks of kicks and blowouts. Designed to withstand the harsh operating conditions of Russian oilfields, the equipment can be directly integrated with on-site systems without the need for additional adaptation or commissioning.
    Russia possesses abundant oil and gas resources with a high demand and stringent requirements for oilfield equipment. KOSUN won the client’s favor through our mature production capacity, core technologies, and comprehensive after-sales system. This batch of equipment can be quickly assembled upon arrival. Subsequently, our technical team will provide cross-border installation guidance, training, and maintenance services to ensure seamless operation.

    Highlighted Advantages: Deepening the Layout in the Russian Market
    KOSUN’s solids control equipment offers the advantages of rapid mass production, wide compatibility, and easy spare parts replenishment, making it ideal for the high-efficiency requirements of oilfield projects. Having been deeply involved in the oilfield equipment sector for many years, we have continuously optimized our processes to enhance environmental adaptability. The vacuum degassers in this shipment has passed multiple compliance certifications and fully meets the needs of various drilling platforms in Russia.
    This shipment is a key step in deepening our presence in the Russian oilfield market and consolidating cooperation within the CIS region, further strengthening our service foundation in the local market. The Russian market’s rigorous demands for equipment reliability will continue to drive KOSUN to iterate equipment performance and strengthen our cross-border delivery and service capabilities.

    Focusing on Core R&D to Empower the Global Oil & Gas Industry
    Xi'an KOSUN focuses on the R&D and manufacturing of oilfield drilling solids control equipment, with products serving numerous oil and gas projects both domestically and internationally. These vacuum degassers delivery to Russia is both a recognition of our product strength and a practice of our philosophy: "Empowering the Global Oil & Gas Industry."
    Looking ahead, KOSUN will adhere to standardized production, iterate the performance of standard components, and improve our cross-border service system. We will continue to cultivate the Russian and global markets, providing efficient and reliable standardized equipment solutions for overseas drilling projects.
     
     

  • Precision Engineering for Russia, Empowering the Oilfields! KOSUN High-Efficiency Vacuum Degassers Dispatched to Russia

    Recently, a batch of specialized vacuum degassers for drilling oilfields from Xi'an KOSUN (KOSUN) has officially set off for a drilling project site in Russia. Following comprehensive factory inspections and standardized protective packaging, the shipment is being escorted by a professional cross-border logistics team. This delivery is not only a fulfillment of our commitment to the customer but also signifies that KOSUN’s degassing equipment will continue to provide reliable support for the efficient and safe development of local oilfield operations in Russia.

    High Efficiency Vacuum Degasser Adapted to Oilfield Conditions
    The equipment dispatched this time was manufactured in accordance with international and Russian industry standards and is widely compatible with mud treatment processes on various onshore drilling rigs. Featuring high degassing efficiency, resistance to high-pressure sand/dust, and adaptability to extreme temperature fluctuations, these units can rapidly remove harmful gases from drilling fluids to prevent gas cutting and mitigate the risks of kicks and blowouts. Designed to withstand the harsh operating conditions of Russian oilfields, the equipment can be directly integrated with on-site systems without the need for additional adaptation or commissioning.
    Russia possesses abundant oil and gas resources with a high demand and stringent requirements for oilfield equipment. KOSUN won the client’s favor through our mature production capacity, core technologies, and comprehensive after-sales system. This batch of equipment can be quickly assembled upon arrival. Subsequently, our technical team will provide cross-border installation guidance, training, and maintenance services to ensure seamless operation.

    Highlighted Advantages: Deepening the Layout in the Russian Market
    KOSUN’s solids control equipment offers the advantages of rapid mass production, wide compatibility, and easy spare parts replenishment, making it ideal for the high-efficiency requirements of oilfield projects. Having been deeply involved in the oilfield equipment sector for many years, we have continuously optimized our processes to enhance environmental adaptability. The vacuum degassers in this shipment has passed multiple compliance certifications and fully meets the needs of various drilling platforms in Russia.
    This shipment is a key step in deepening our presence in the Russian oilfield market and consolidating cooperation within the CIS region, further strengthening our service foundation in the local market. The Russian market’s rigorous demands for equipment reliability will continue to drive KOSUN to iterate equipment performance and strengthen our cross-border delivery and service capabilities.

    Focusing on Core R&D to Empower the Global Oil & Gas Industry
    Xi'an KOSUN focuses on the R&D and manufacturing of oilfield drilling solids control equipment, with products serving numerous oil and gas projects both domestically and internationally. These vacuum degassers delivery to Russia is both a recognition of our product strength and a practice of our philosophy: "Empowering the Global Oil & Gas Industry."
    Looking ahead, KOSUN will adhere to standardized production, iterate the performance of standard components, and improve our cross-border service system. We will continue to cultivate the Russian and global markets, providing efficient and reliable standardized equipment solutions for overseas drilling projects.
     
     

  • KOSUN’s WBM Drilling Waste Management System Gains Recognition from Russian Clients

    In the modern oil and gas exploration and development sector, increasingly stringent environmental regulations have made the reduction and resource-oriented treatment of drilling waste a key indicator of a contractor's core competitiveness. As an integrated solution for eliminating wellsite pollution and achieving "green drilling," the Water-Based Mud (WBM) Drilling Waste Management System has become a vital component of global drilling technology.
     
    I. Core Process Logic of the WBM Drilling Waste Management System
     
    The WBM drilling waste disposal system is an engineering framework that achieves solid-liquid separation through physical and mechanical means. Its primary objective is to efficiently extract the liquid phase from waste drilling fluids and reduce the moisture content of solids, ensuring that cuttings meet disposal standards.
     
    Collection and Conveyance: After the primary shale shaker removes large solid particles, the waste mud and cuttings are transported to the system via screw conveyors.
    Solid-Liquid Separation: Materials undergo initial separation through a drying shaker (utilizing vibration and screen filtration) to remove liquids from the cuttings.
    Chemical Treatment: Chemical agents are added and stirred in flocculation tanks to enhance subsequent separation efficiency.
    Deep Dewatering via Filter Press: The destabilized mud enters a filter press for mechanical pressure dewatering, forming "mud cakes" with extremely low moisture content.
    Recycling and Reuse: Treated liquids (effluent or reusable mud) are returned to recycling tanks for reuse; dried cuttings are utilized for wellsite reinforcement or roadbed construction.

     
    II. KOSUN’s Water Based Drilling Fluid Treatment System Highly Praised by Russian Clients
     
    On December 23, 2025, a delegation of energy industry experts from Russia was invited to visit a KOSUN drilling sludge dewatering system project site at the Chuanqing Oilfield in Chongqing, China. The focus of the inspection was to evaluate the system’s stability in treating water-based mud under complex geological conditions and the final moisture content of the solids.
    During the visit, the clients closely observed the solid discharge at the end of the process. Cuttings treated by KOSUN’s system demonstrated high stability in dryness and form, completely eliminating the "semi-fluid" state.
    The Russian client remarked: "The treatment results demonstrated by KOSUN’s system perfectly meet our technical expectations for an 'ideal solid state.' It is truly impressive."
     

     

     
    III. Economic and Environmental Value of the WBM Drilling Waste Management System
     
    Environmental Compliance: Through a closed-loop circulation mode, the system achieves "zero discharge" of cuttings and prevents mud spillage, effectively mitigating environmental regulatory risks for operators.
    Significant Reduction in Operating Costs: Efficient liquid phase recovery substantially reduces the cost of preparing new mud; meanwhile, the volume of treated solids is greatly reduced, significantly lowering downstream transportation and final disposal costs.
    Optimized Wellsite Safety and Footprint: The pitless-management approach minimizes the equipment footprint, fostering a cleaner operation site in compliance with international standards for modern "green" drilling sites.
     
    As a leading global supplier in Drilling Waste Management, KOSUN remains committed to addressing the most rigorous environmental challenges through technological innovation. The international recognition received at the Chongqing project site once again validates the international standards of its WBM Drilling Waste Disposal System in terms of process reliability and treatment performance.
    In the face of increasingly complex resource development environments, KOSUN will continue to provide customized cuttings management solutions to help global oil and gas companies achieve synergy between environmental benefits and economic returns.

  • KOSUN KSMR Series: High-Efficiency Mud Recycling System for HDD & Trenchless Projects

    Horizontal Directional Drilling Technology
     
    Horizontal Directional Drilling (HDD) is a core technology for trenchless underground pipeline installation/laying. A pilot hole is first drilled using a directional drilling tool, then the hole is gradually enlarged to the appropriate pipe diameter, and finally the pipeline is pulled back to complete the installation. It can cross obstacles such as roads, rivers, and buildings with minimal surface damage and is widely used in gas, communication, and drainage pipeline construction.
    Mud Performance

     
    In HDD operations, drilling mud plays a crucial role. Mud performance directly affects drilling efficiency, borehole stability, and drill string lubrication. The following are the main performance requirements for HDD drilling mud:
     
    Carrying Drill Cuttings: The mud must have good suspension capacity to ensure that drill cuttings are effectively carried out of the borehole.
    Lubricating Drill Strings: Reduces friction between the drill pipe and the borehole wall, lowering torque and drag.
    Stabilizing the Borehole Wall: Prevents borehole collapse and diameter reduction, especially in loose formations or aquifers.
    Cooling the Drill Bit: Reduces drill bit temperature and extends its service life.
    Controlling Formation Pressure: Balances formation pressure and prevents water inrush or leakage.

     
    Solids Control Methods
     
    To remove drill cuttings, sand particles, and other impurities from the circulating drilling mud, maintain mud performance stability, and achieve efficient reuse and environmentally friendly treatment of the mud, solids control of HDD mud is necessary.
    Without solids control, drill cuttings will accumulate in the mud, leading to abnormal mud viscosity and density, impairing its sand-carrying, wall-protecting, and lubrication functions, potentially causing accidents such as stuck drill bits and borehole collapse. It will also accelerate drill bit wear, increase mud consumption and waste disposal costs, and even cause environmental pollution.
    Currently, the commonly used methods for solids control of HDD mud are sedimentation, dilution, and mechanical removal.
     
    Sedimentation: A mud pit or more is dug at both the entry and exit points of the drilling. Returned mud is introduced into the pits. After a certain period of natural settling, the upper liquid phase is extracted and reintroduced into the mud circulation, while the bottom solid phase is discarded. Advantages: Simple operation, low cost, low energy consumption; Disadvantages: Large site occupation, slow settling and separation speed, and difficulty in removing the bottom solid phase.

    Dilution: The mud returned from the crossing is recycled into the mud tank, and then water, sodium bentonite (sodium carbonate is an additive, bentonite is the mud itself), and additives are added to adjust the mud properties to meet the crossing requirements, thereby reducing the solid content of the mud. Advantages: Simple method, low cost; Disadvantages: Incomplete solid phase removal.

    Mechanical Removal: This method uses a solid phase control system to separate the solid phase. The solid phase control system refers to a system composed of a mud shale shaker, desander, desilter, mud cleaner, decanter centrifuge, and circulating tank, etc., according to the requirements of solid phase control. In most cases, mechanical removal is the most effective and economical.
     

    Kosun KSMR Series Hdd Recycling System
     
    KOSUN's KSMR series mud recycling system is the core equipment for mud circulation in trenchless construction. These systems employ a two-stage or three-stage solid-phase controlled separation design, effectively removing solid particles from the mud, maintaining mud performance, saving construction costs, and meeting environmental protection requirements.
     
    1. KSMR-200 HDD Mud Recycling System
    The KSMR-200 mud mixing system uses a two-stage separation design (shale shaker + desilting hydrocyclone), achieving a processed particle size of 20 µm. It uses a shale shaker underflow screen as a pre-screen to remove particles > 1.5mm; and a desilting hydrocyclone to remove particles from 0.02mm to 1.5mm. The system's processing capacity can reach 50 m³/h.

     
    2. KSMR-350 HDD Mud Recycling System
    The KSMR-350 mud cleaning system also uses a two-stage separation design (shale shaker + desilting hydrocyclone), achieving a processed particle size of 20 µm. It uses a shale shaker underflow screen as a pre-screen to remove particles > 1.5mm; and a desilting hydrocyclone to remove particles from 0.02mm to 1.5mm. The system's processing capacity can reach 80 m³/h.

     
    3. KSMR-500 HDD Mud Recycling System
    The KSMR-500 hdd mud mixing system adopts a three-stage separation design (shale shaker + desanding hydrocyclone + desilting hydrocyclone), and the treated particle size can reach 20 µm. It uses a shale shaker underflow screen as a pre-screen to remove particles > 1.5mm; a desanding hydrocyclone removes particles from 0.074mm to 1.5mm; and a desilting hydrocyclone removes particles from 0.02mm to 0.074mm. The system's processing capacity can reach 120 m³/h.

     
    4. KSMR-1000 HDD Mud Recycling System
    The KSMR-1000 drill mud recycling system adopts a three-stage separation design (shale shaker + desanding hydrocyclone + desilting hydrocyclone), and the treated particle size can reach 20 µm. It uses a vibrating underflow screen as a pre-screen to remove particles > 1.5mm; a desanding hydrocyclone to remove particles from 0.074mm**1.5mm; and a desilting hydrocyclone to remove particles from 0.02mm**0.074mm. The system's processing capacity can reach 240 m³/h.