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BUILT TO DRILL DRIVEN TO PROTECT
Over 30 years, KOSUN has evolved from a drilling solids control pioneer into a global leader in integrated environmental solutions. We empower the energy industry with cutting-edge technology to transform waste management into sustainable value.
Trusted by giants like SLB, Rosneft, and KOC, our footprint spans 70+ nations. We don’t just build equipment; we ensure operational excellence and environmental compliance for every stakeholder, everywhere.
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APPLICATIONS
Integrated systems for the management of energy extraction, urban infrastructure, and environmental remediation projects.
Construction Waste Treatment
Feature Large quantity, universality, usualness, pollution Pernicious l Occupy land and reduce the soil quality l Influence the air quality l Pollute the water area l Destroy city appearance and deteriorate urban sanitation l Cause potential safety hazards Difference Treatment between Construction Waste and Others Construction waste belongs to a special refuse. Emissions of the unit must advance declare to Environmental Sanitation Administration Department. Must take a special way, a separate collection, sent to the designated specialized waste disposal sites for disposalThere must be specialized training person or professional person to guide when collectiing and treat; Construction waste is non-pollution solids. Generally, China adopt landfill treatment ,recycling part of them and burning a little part. Treatment Construction waste landfill. Comprehensive consider various factors and reasonably choose landfill sites There are huge stocks of construction wastes in China, and the comprehensive utilization rate is less than 5%. It needs a long-term process for natural degradation only by landfill. These construction wastes must be artificially disposed to recycle them and minimize their harms to environment. Recycling Technical level is a precondition for recycling construction waste. Selecting suitable treatment process and abatement solutions aim to avoid a huge waste of resources. When the society is paying more attention to construction waste, China will shoot construction waste at reduction, recycling and harmlessness, which is a long-term and arduous task. Such a goal will be achieved through correct guidance and appropriate support of the government, and active participation, supervision and implementation of all of us!
River Dredging
Dredging dehydration system description Dredging will produce a lot of silt, the silt generally has high moisture content, low strength, some silt may contain toxic and harmful substances, these toxic and harmful substances washed easily after leaching, resulting in two pollution on water environment. It is necessary to carry out reasonable disposal of the sludge produced after dredging. Kosun mechanical dredging dewatering separation system is used for river dredging sewage sludge separation device, the system is composed of vibrating screen, desander, desilter and centrifuge etc.. Depending on the situation, the 3-6 level separation system can be selected. Dredging dewatering separation system can be divided into the skid mounted and vehicle type according to the structure, you can select the appropriate type of structure according to the actual situation. Dredging dehydration system Shaker desander desilter – – – desilter – mechanical flocculation separation centrifuge centrifuge separation. In the actual selection process, based on different situations, you can choose the 3-6 level separation system. Dredging dehydration system advantage Avoid two pollution problems caused by improper disposal of river sludge Continuous automatic production, processing capacity, low moisture content after treatment The dredging dewatering separation system, water reuse Mud paste form, can transport To achieve the reduction in the transport and storage of resources To provide a guarantee for the utilization of waste resources, to ensure the smooth flow of water The clear river drainage, flood control, irrigation, solve the security function Improve river water quality, promote ecosystem health, enhance river landscape Economic performance Dredging dewatering separation system can be treated to water river silt below 80% and the sludge volume is greatly reduced, so we can use ordinary muck cars on the treated sludge removal, thus greatly reduce the removal cost, dredging project for general engineering quantity, so the construction side every day…
Tailings Mud and Water Treatment
Overview of tailings slurry treatment: Tailings is a waste material after processing, is the main component of industrial solid waste. Therefore, the comprehensive recovery and utilization of tailings has been widely concerned by the whole society, and the pollution of the underground water layer by tailings slurry is also of great concern. Horizontal spiral centrifuge Kosun company specially developed came into being, to solve the tailings slurry treatment and some of the problems in the market practice, and achieved good results. In the field of tailings slurry treatment: All equipment, low operation cost, large capacity. The purpose of fast processing speed, high efficiency and can run continuously. An excellent separation. All equipment has the advantages of simple operation, reliable and small area. The purpose of the treated water can be discharged directly. The purpose of the wear-resistant layer lining, long service life of equipment. In the closed relatively strict, avoid pollution twice.
Trenchless (HDD) Mud Recycling System
HDD Description Horizontal directional drilling (HDD) is one type of trenchless technologies, which is mainly used in pipeline & cable laying construction when traditional excavation is not available or the cost is high. The advantage is obvious especially when pipeline crossing some obstacles or some important regions, such as river, lake, public highway, railway, etc. The HDD mud recycling system that made by KOSUN can separates the particle in the mud, to realize the recycling of the drilling mud. In practice, the company has been constantly optimized the system to meet a variety of geological environment and the size of the processing and processing requirements. The company not only produces the separation system, but also can do the related engineering services. Can be tailored to the actual geological requirements of customers, to meet the application requirements.
Oilfield Sludge Sewage Treatment
The oil sludge is the waste of solid with oil from oil drilling, transportation, refinery and oil waste water treatment processing. It contains big quantity benzene series, phenols, anthracene, pyrene and other harmful rotten material. It will be a resource waste and pollution for environment. Oil sludge origin 1. Crude oil drilling work 2. Rig site waste during gathering and transportation 3. Waste water treatment plant in refinery plant Oil sludge harm With big volume and quantity, oil sludge not only need a big area land space, but also can bring pollution to around soil, water and air, with odor exhaust gas. Sludge contains big quantity pathogenic bacteria, parasite, bronze, zinc, chromium, mercury and other heavy metal, salt, polychlorinated biphenyl, tetrachlorodibenzo-p-dioxin, radionuclide and other harmful degradation-resistant content. Uaual treatment method The final for treatment are reducing quantity, improving recycling, harmless. The usual method are solvent extraction method, burning, bioanalysis, coking, profile control, comprehensive utilization, etc. Oil sludge dewatering The water in oil sludge have 4 types: free water, interstitial water, vicinal water or surface water and chemical-bound water Tempering oil sludge The balck ropy oil sludge concentrated liquid after gravity settling dewatering contains O/W, W/O and suspended solid. It is a multiple and complicated colloidal system. Because of the oil sludge particle surface can adsorb same charges, mutual repulsion, sufficient emulsification and very hard for destabilization, it is very difficult to separate the oil, water and sludge solid. It needs to add conditioning agent to separate the solid from crude oil, gathering the oil, the chemical agent will be sedimented with solid, then to realize the total separation of oil, water and solids.
Fracturing Fluid & Anti-drainage Treatment
Fracturing operation is the main method for low permeability reservoir and unconventional hydrocarbon reservoirs development. With the fracturing, it can improve oil gas layer infiltration capacity and plug removal. Fracturing plays important role in old oil field well drilling, new well drilling test, well oil production improvement, unconventionality oil, gas and shale gas drilling development. Fracturing waste fluid content is complicated and contains several type complicated ingredient and big quantity harmful material. It will bring serious pollution to located area. The usual treatment way for oil gas field waste water are as following, flocculation, filtration & adsorption, electrolytic process, acid and alkali neutralization, biological treatment, etc. As one of oil gas waste water, the fracturing waste fluid content is complicated, stable, poory biodegradability. It needs multiple method for treatment during processing. According to current condition, we use multiple treatment technic, develop various treatment method, make a fracturing waste fluid recycling after treatment, solve the problem of water shortage of fracturing fluid preparation. The after treated water of treated fracturing waste fluid can be used for other industry or meet the request for discharge directly. The usual fracturing waste fluid treatment technics are mainly as natural evaporation, freeze thawing, filtration, ozonation, chemical flocculation, electric flocculation, reverse osmosis, distill, etc. The new technic is a multiple combined usage , mainly are ozonation and flocculation. The treatment technics development direction are multiple technic composite application, mainly with physical treatment, auxiliary with chemical treatment, develop electric flocculation and advanced oxidation, research skid-mounted treatment equipment, treatment technic modularization, recycling and reuse useful content, reduce treatment cost, provide technical support for shale gas development.
WHY PARTNER WITH US
Driving Operational Excellence & Compliance
Advanced Solid-Liquid Separation
Leveraging 53+ technical patents, we deliver precision separation across 6 critical sectors, including drilling, mining, and sludge. Our systems ensure maximum fluid recovery and minimum waste volume, significantly lowering your disposal costs.
Engineered for Extreme Conditions
Built to endure, KOSUN equipment thrives in the harshest environments—from arctic cold to desert heat. Our high-performance centrifuges and dryers are designed for continuous 24/7 operation, ensuring your project never stops.
Full-Scale System Integration
Beyond standalone equipment, we provide turnkey integrated systems tailored to your specific site requirements. From initial design to modular assembly, we optimize the entire workflow for seamless, end-to-end efficiency.
Global Compliance & Sustainability
We help stakeholders achieve ESG goals by ensuring strict environmental compliance. Our "Zero-Discharge" solutions are designed to meet the toughest international regulations, protecting both your reputation and the planet.
Proven Strategic Partnership
As a trusted partner to SLB, Rosneft, and KOC, we bring global project experience to every site. Our success with 5,000+ happy customers proves our ability to deliver measurable value under complex international standards.
Lifecycle Service Excellence
From technical consulting and commissioning to localized maintenance and parts support, KOSUN provides comprehensive lifecycle care. We ensure your assets maintain peak performance throughout their entire operational life.
CORE PRODUCTS
Industry-leading solid control equipment for maximum efficiency
PROJECT CASE
From extreme deserts to deepwater drilling, we deliver bespoke solutions for waste reduction, resource recovery, and eco-friendly disposal.
Kuwait – Oil Sludge and Contaminated Soil Treatment Project
Project Background: As a major global oil producer, Kuwait generates a significant volume of oily sludge during crude oil extraction and transportation, posing severe environmental challenges. To address this issue, our company designed and constructed a high-efficiency, eco-friendly 50 t/h oily sludge treatment system for a leading Kuwaiti oil company. This system achieves harmless waste disposal and resource recovery, supporting the region’s sustainable development goals. Technical Highlights: High-Efficiency Separation Process: Utilizing a combined technology of “Thermal Washing + Centrifugal Separation + Chemical Conditioning” to achieve high-efficiency three-phase separation of oil, water, and solids.Environmental Compliance: The oil content in the treated solid phase is <1%, meeting international environmental standards. Wastewater undergoes deep treatment for recycling, achieving Zero Liquid Discharge (ZLD).Modular Design: With a high degree of system integration, it is specifically optimized for harsh desert environments, allowing for rapid deployment and stable operation.Intelligent Control: Equipped with an automated monitoring system that adjusts processing parameters in real-time, minimizing manual intervention while ensuring maximum efficiency and safety. Project Achievements: Processing Capacity: The system processes 50 tonnes of oily sludge per hour, resulting in an annual waste reduction of over 200,000 tonnes.Economic Benefits: Recovered crude oil is ready for direct reuse, generating additional revenue for the client while reducing operational energy consumption by 30%.Social Impact: The project has significantly improved the local soil and groundwater environment, earning high recognition from the Kuwaiti environmental authorities. Application Prospects: The Oily Sludge and Contaminated Sand Treatment System is a mature, highly reliable solution for managing oily waste in oilfields, refineries, and storage tank farms. With its modular and customizable design, this technology provides a dependable environmental solution for oil-producing regions in the Middle East and worldwide.
Solids Control System for ZJ70 Drilling Rig in Turkmenistan
Project Background: As a major energy producer in Central Asia, Turkmenistan imposes stringent reliability and environmental standards on oil and gas drilling equipment. To meet the high-standard requirements of a large local oilfield, KOSUN has provided a high-efficiency, eco-friendly solids control system for the ZJ70 drilling rig, designed to optimize drilling fluid treatment, enhance drilling efficiency, and reduce waste emissions. Project Overview: Location: An oil and gas field in TurkmenistanRig Model: ZJ70 Drilling RigSolids Control Configuration: Five-stage purification system (including shale shakers, desanders, desilters, centrifuges, agitators, etc.)Capacity: Designed for drilling fluid circulation in deep wells up to 7,000 meters Technical Highlights: Modular Design, Automated Control, Eco-friendly & Energy-efficient System Components & Functions: Shale Shaker (Primary Purification): High-frequency linear motion shale shaker with a processing capacity of ≥180 m³/h; features adjustable screen mesh to effectively separate drill cuttings >74 μm.Desander & Desilter System (Secondary/Tertiary Purification): Hydrocyclone units (Desander + Desilter) remove solid particles ranging from 15–74 μm, effectively reducing drilling fluid density.Decanter Centrifuge (Quaternary Purification): High-speed decanter centrifuge separates ultra-fine particles (2–10 μm) to control the viscosity and stability of the drilling fluid.Auxiliary Equipment: Automatic chemical dosing unit, mud agitators, and liquid level control system for real-time regulation of drilling fluid properties. Technical Innovation & Advantages High Adaptability: The system is optimized for Turkmenistan’s high-temperature and sandy environments, featuring integrated sunshade canopies for equipment protection.Environmental Compliance: A closed-loop design minimizes drilling fluid leakage, ensuring waste disposal meets local environmental regulations.Intelligent Management: Centralized PLC control enables real-time monitoring of flow rate, density, and solids content, significantly reducing manual intervention. Project Achievements Efficiency Gains: Achieved a solids removal rate of ≥95% and increased drilling fluid recycling by 30%, significantly lowering overall drilling costs.Customer Testimonial: Stable system operation helped increase the daily drilling footage by 15%, earning high recognition from the oilfield operator.Industry Benchmark: Established as a flagship case for deep-well solids control in Turkmenistan, leading to follow-up orders for similar projects. The Turkmenistan ZJ70 Drilling Rig Solids Control System overcomes the challenges of drilling fluid treatment in high-temperature environments through a customized solutions approach. This project demonstrates the technical strength and localization capabilities of Chinese manufacturing, providing reliable support for oil and gas development in Turkmenistan.
Large-scale Ecological Lake Dredging and Treatment Project
Project Background The KOSUN Lake Dredging & Treatment System is specifically engineered to address critical issues such as sediment accumulation and water quality deterioration in domestic and international rivers and lakes. The system aims to remove bottom silt, reduce endogenous pollution, and restore the ecological functions of water bodies to improve the overall aquatic environment. Solution The project utilizes an integrated process of “Cutter Suction Dredger + Vibrating Screening + Plate and Frame Filter Press Dewatering,” featuring a modular system that includes vibrating screening, slag discharge, spray system, and slurry emergency modules. At its core is the KOSUN LS1850 Shale Shaker, which delivers a high processing capacity of up to 1,800 m³/h to remove fine particles larger than 2mm, while the remaining underflow slurry is processed by a plate and frame filter press into dewatered mud cakes for external transport and resource utilization. Technical Highlights & Achievements Application Areas
Russia-ZJ30 Rig Solid Control System
The Russia-ZJ30 rig solid control system is capable of classifying and treating drilling mud. It can also perform mixing, degassing, weighting, and agitating of drilling mud, as well as supplying mud at the wellhead. This system consists of mud tanks, cable trays, and solid control equipment. The en
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KOSUN Shines at OTC Asia in Malaysia 2026-04-3
KOSUN Mud Cooling System, HTHP Drilling Safety Ensured 2025-12-11 - As global energy demand continues to grow, oil and gas drilling technology is moving towards complex fields such as deep wells, ultra-deep wells, and high-temperature, high-pressure (HTHP) wells. With increasing drilling depth and formation temperature, the drilling fluid temperature often rises acc
Necessity of Liquid Mud Plant(LMP) in Modern Engineering Projects 2025-12-9 - In today's pursuit of efficiency and environmental compliance, traditional mud treatment methods are obsolete. Modern engineering projects such as oil and gas drilling, Horizontal Directional Drilling (HDD), and piling construction impose unprecedented high demands on mud management. Relying solely o
KOSUN KSMR Series Mud Recycling System: Core Equipment for HDD&Trenchless Construction 2025-12-4 - Horizontal Directional Drilling Technology Horizontal Directional Drilling (HDD) is a core technology for trenchless underground pipeline 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 pip
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Facing challenges with drilling waste disposal or solid waste management？
Our engineering team provides high-end, integrated systems designed to maximize recovery rates while ensuring full environmental compliance for your specific project site.
- Specialized solutions for oilfield, urban sludge, and soil remediation.
- Precision manufacturing focused on industrial clean production.
- One-stop support from initial design to final operation.
- Engineered to reduce operational costs and maximize fluid recovery.