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Oily Sludge Treatment Principles Processes and Compliance Analysis

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Oily sludge is one of the primary solid wastes generated during oil and gas extraction and petroleum refining, typically appearing as a black solid or semi-fluid substance. Its composition is complex, generally consisting of crude oil, water, and inorganic solid particles such as sand and drilling cuttings. The stable emulsified structure formed between the oil, water, and solids results in high viscosity, which increases the difficulty of separation. With the widespread application of tertiary oil recovery technologies (primarily chemical flooding), the properties of crude oil have evolved, leading to even more intricate oily sludge components. Under the current green and low-carbon initiative, petroleum and petrochemical enterprises face significant pressure regarding low-cost treatment a

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Trenchless Mud Management Technical Challenges and KOSUN Mud Recovery Solutions

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Trenchless Technology, as an efficient and low-disturbance method for underground pipeline installation, is being increasingly adopted in urban infrastructure development. It effectively avoids traditional road excavation, minimizing disruptions to traffic, the environment, and urban landscapes. However, mud (drilling fluid) management during trenchless construction is a critical factor for project success and environmental compliance. As an essential medium, drilling mud performs vital functions such as carrying cuttings, cooling drilling tools, and stabilizing borehole walls. Efficiently processing used mud is a challenge that every construction unit must address. Application Scenarios and Technical Requirements Trenchless engineering is applied across a wide range of environments, from b

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Slurry Separation System Technical Application and Value Analysis for Modern Underground Engineering

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As urban infrastructure development continues to accelerate, demand has surged for shield tunneling, ultra-deep pile foundations, diaphragm walls, and various trenchless pipeline projects. These modern underground projects commonly utilize slurry as a construction medium. Consequently, the management and disposal of massive volumes of generated slurry have become critical factors influencing project timelines and environmental assessments. Slurry Separation System, as a professional and eco-friendly solid-liquid separation solution, is emerging as the standardized technical answer to these industry pain points. Slurry Separation System Technical Core and Multi-Stage Solid-Liquid Separation Process The Slurry Separation System is not merely a single piece of equipment but an integrated joint

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KOSUN Cuttings Dryers Drive Efficiency and Compliance in Global Drilling

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As global environmental regulations for the energy sector become increasingly stringent, the efficient management of drilling waste has become a top priority for major oilfields. In December 2025, KOSUN once again earned international acclaim, solidifying its global leadership in the field of drilling waste management . Russian Delegation Visits Chongqing to Witness KOSUN Quality On December 13, 2025, a professional delegation from Russia traveled to Chongqing, China, to conduct an on-site inspection of the KOSUN Oil-Based Mud (OBM) drilling waste management Systemcurrently operating in the Chuanqing Oilfield. During the field visit, the Russian clients focused on the performance of the KOSUN Vertical Cuttings Dryer . After observing the dryness of the processed solids and the overall syste

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KOSUN KD Series Slurry Separation Solutions for TBM & Piling Construction

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In modern infrastructure construction, slurry treatment efficiency and environmental compliance are critical elements of project management. The KD Series Slurry Separation Plant , developed by KOSUN, is specifically designed for circulation drilling processes and shield tunneling, providing technical support for slurry purification, recycling, and waste minimization. KD Series: Slurry Treatment Equipment for Diverse Working Conditions The KOSUN KD Series Slurry Separation Plant is dedicated to slurry purification for Slurry Shield TBM, diaphragm walls, and piling foundations. Utilizing this system optimizes slurry properties, improves hole-making quality and operational efficiency, ensures the safe operation of excavation equipment, and significantly increases the slurry recycling rate. Th

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Centrifugal Degasser

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The Centrifugal Degasser is a high-efficiency solids control unit designed to rapidly remove entrained gases from drilling fluids using centrifugal force. By restoring mud density and doubling as a powerful agitator, this compact, in-tank equipment ensures operational safety and fluid stability. With its modular design, high throughput, and low energy consumption, it is an indispensable solution for modern onshore and offshore drilling operations.

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