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Home > KOSUN News >
The multi-field application of drilling fluid desanders
Aug 14, 2025
As a key unit of the mud purification system, the drilling fluid desander plays a cornerstone role in multiple industrial scenarios with its highly efficient solid particle separation technology.
It utilizes the principle of centrifugal force field to precisely remove sandy particles from drilling fluid that damage system performance, ensuring the reliable operation of core equipment and promoting the industrial model of resource recycling. The following are several application scenarios of drilling fluid desanders:
It utilizes the principle of centrifugal force field to precisely remove sandy particles from drilling fluid that damage system performance, ensuring the reliable operation of core equipment and promoting the industrial model of resource recycling. The following are several application scenarios of drilling fluid desanders:
I. Oil Drilling: A dual test of performance and weather resistance
1. Onshore deep Wells: As the well depth increases, the composition of cuttings carried by the drilling fluid becomes increasingly complex and variable.
The desander needs to continuously deal with the challenges of mixed solid phases such as sandstone and mudstone. Its unique conical separation structure can generate a stable high-speed centrifugal field, effectively sort particles according to density gradients, significantly reduce the abrasive damage of sand particles to core components such as drilling pumps, and extend the service life of equipment.
The desander needs to continuously deal with the challenges of mixed solid phases such as sandstone and mudstone. Its unique conical separation structure can generate a stable high-speed centrifugal field, effectively sort particles according to density gradients, significantly reduce the abrasive damage of sand particles to core components such as drilling pumps, and extend the service life of equipment.
2. Offshore platforms: The harsh salt spray and high-humidity environment impose higher requirements on the corrosion resistance of equipment.
The core components of the desander are usually made of corrosion-resistant alloy materials such as duplex stainless steel to ensure long-term high-precision separation capabilities under harsh Marine conditions.
The core components of the desander are usually made of corrosion-resistant alloy materials such as duplex stainless steel to ensure long-term high-precision separation capabilities under harsh Marine conditions.
II. Geological Exploration: Adaptive Evolution under Extreme Working Conditions
1. Complex strata: In the face of sudden changes in the strata encountered during drilling (such as sudden gushing gravel or high-viscosity soil layers),
which cause a sharp increase in the solid concentration of the drilling fluid, the intelligent feed control system of the desander equipment can respond quickly and dynamically adjust the processing rate to ensure stable separation efficiency.
which cause a sharp increase in the solid concentration of the drilling fluid, the intelligent feed control system of the desander equipment can respond quickly and dynamically adjust the processing rate to ensure stable separation efficiency.
2. Extreme environments: When operating in permafrost areas or high-altitude cold regions, the equipment is equipped with an insulation system,
effectively preventing a sharp increase in the viscosity of drilling fluid at low temperatures and ensuring that the sand separation process is not disturbed by drastic temperature fluctuations. This highly adaptable design enables it to work reliably in harsh environments such as plateaus and deserts, providing pure mud media for geological information acquisition.
effectively preventing a sharp increase in the viscosity of drilling fluid at low temperatures and ensuring that the sand separation process is not disturbed by drastic temperature fluctuations. This highly adaptable design enables it to work reliably in harsh environments such as plateaus and deserts, providing pure mud media for geological information acquisition.
III. Mining: The Synergy of Resource Sorting and Recycling
1. Metal mine drilling: Drilling fluids are often mixed with valuable mineral micro-powders.
The desander needs to be precisely controlled to distinguish the target mineral particles from the useless waste sand and avoid economic losses. Its modularly designed density adjustment unit can be flexibly configured according to the characteristics of minerals, maximizing resource recovery while protecting the drilling tools.
The desander needs to be precisely controlled to distinguish the target mineral particles from the useless waste sand and avoid economic losses. Its modularly designed density adjustment unit can be flexibly configured according to the characteristics of minerals, maximizing resource recovery while protecting the drilling tools.
2. Coal mine engineering: The desander and the coal slime treatment system work in coordination. The separated fine sand is used as underground filling material, while the coal slime is recycled as fuel, forming a closed-loop chain of "drilling - separation - reuse", significantly reducing the environmental footprint of mine operations.
IV. Municipal Infrastructure: The Integration of Miniaturization and Green Construction
1. Urban exploration: In small-scale drilling scenarios such as subway exploration or pipeline detection, portable desanders have emerged. Its highly integrated skid-mounted design is suitable for narrow Spaces and can be flexibly moved with the drilling rig. The purified slurry can be directly reused to prepare new slurry, significantly reducing the on-site discharge of waste liquid.
2. Pile foundation construction: The desander and the slurry circulation pool work in tandem to efficiently remove sand particles and impurities mixed in during the concrete pouring process, ensuring the stable performance of the wall protection slurry and guaranteeing the formation quality and integrity of the pile foundation structure.
In such applications, the desander not only solves the solid control problem but also strongly supports the green and civilized construction of the city by achieving zero discharge of slurry.
In such applications, the desander not only solves the solid control problem but also strongly supports the green and civilized construction of the city by achieving zero discharge of slurry.
The diverse application demands of various industries are constantly driving the technology of drilling fluid desanders to upgrade in the directions of intelligence,
specialization and environmental friendliness. From special models that can withstand extreme environments to customized equipment that meets ultra-fine sorting requirements,
its development trajectory has always closely followed the pain points of the industry, becoming a precise link in modern engineering that balances production efficiency and ecological responsibility.
specialization and environmental friendliness. From special models that can withstand extreme environments to customized equipment that meets ultra-fine sorting requirements,
its development trajectory has always closely followed the pain points of the industry, becoming a precise link in modern engineering that balances production efficiency and ecological responsibility.
