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In the modern industrial framework of oil and gas exploration and development, drilling operations are a critical link in energy acquisition. One of the core technologies supporting the efficiency, safety, and environmental compliance of this complex engineering process is the Oilfield Solids Control System (also known as the Drilling Mud Circulation and Purification System). Solids Control System Definition and Fundamental Functions An oilfield solids control system refers to a complete suite of mechanical equipment and processes used to purify and treat circulating drilling fluids during rotary drilling. Its primary objective is to efficiently separate harmful solid particles (cuttings) generated during drilling from the drilling fluid, while recovering valuable liquid media and effective