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Solid control system and waste management in drilling
2020-08-12
Introduction of Drilling solid control system:
Solid control system is a technique used in a drilling rig to separate the solids in the drilling fluids that are crushed by the drill bits and carried out of the well surface. Normally, a solid control system contains five stages: the mud tank, shale shaker, vacuum degasser, desander, desilter, and centrifuge. The shale shaker is used to separate big solids with diameter above 75μm, the desander addresses solids from 45-74μm, and the desilter segregates solids between 15-44μm. Sometimes the desander and desilter are combined as one high efficiency mud cleaner. When air enters the drilling fluids, a vacuum degasser is used to separate the air. When there is no air in the mud, the degasser works as a big agitator. All these stages are mounted on the top of the mud tank. After separating the solids, the clean mud can be pumped into the borehole again.
 
The mud system with 4 phases of solids control process can be understood as the 5 phase purification system. From shale shaker, vacuum degasser, to Desander cone, Desilter cone, and the decanting centrifuge: different working principle, different separation point. Every well drilling requires such a system to process drilling mud. However, per different well depth and different drilling conditions we'll get different configurations and different results.
 
Introduction of Drilling waste management:
Drilling waste management system, also called as drill cutting treatment system or drilling cutting management system. According to different applications, it can be classified as water-base drilling waste management system and oil-base drilling waste management system.
 
The main Drilling waste management equipments are drying shaker, cutting dryer, decanter centrifuge, screw conveyor, screw pump and tanks. The drilling waste management system can effectively control the moisture content (6%-15%) and oil content (2%-8%) in drilling cuttings and stabilizes the liquid phase performance.

KOSUN- China Solids Control Leader&Drilling Waste Management Expert
Email: sales2@adkosun.com
Wechat:+86 18792396268
Contact person: Lily Wang
Online consulting:
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