Drilling waste disposal system: the guardian of oil field environmental protection
2024-10-08
In the process of oilfield development, the disposal of drilling waste has always been an important environmental protection issue. In response to this challenge, the drilling waste disposal system came into being, and is often referred to as the mud without landing system, cuttings without landing system, cuttings without landing system, and drilling mud without landing system.
I. Overview of drilling waste disposal system
The drilling waste disposal system is mainly used to deal with the waste generated in the drilling process of oil fields, including water-based mud and oil-based mud. If these wastes are not properly disposed of, they will cause serious pollution to the environment. Therefore, drilling waste disposal system has become an important equipment for oil field environmental protection.
2. Classification and composition of the system
According to the use, the drilling waste disposal system can be divided into water-based mud non-landing system and oil-based mud non-landing system. The two systems have slightly different processing processes and equipment, but both aim to reduce, recycle and make waste harmless.
Its main equipment includes:
1. Dry vibrating screen: used for initial separation of solid particles and liquids in the drilling process, reducing the difficulty of follow-up treatment.
2. Drilling cuttings dryer: through high-speed rotation, the water in the drilling cuttings is dried, so that the drilling cuttings become dry and easy to handle.
3. Drilling fluid centrifuge: Using centrifugal force to separate solid particles and liquid in drilling fluid to achieve mud purification and recovery.
4. Screw conveyor: used to transport the treated material to storage equipment or further processing equipment.
5. Screw pump: used to transport mud, cuttings and other fluid materials to ensure the smooth operation of the system.
Third, the working principle and process of the system
The working principle of the drilling waste disposal system is mainly to separate, purify and recycle the waste generated in the drilling process through physical and chemical methods. The specific process is as follows:
1. Preliminary separation: Preliminary separation of drilling waste through a dry vibrating screen to separate solid particles and liquids.
2. Spin dry treatment: Put the separated solid particles into the drill chip dryer, and spin the water dry through high-speed rotation.
3. Centrifugal separation: Put the dried solid particles into the drilling fluid centrifuge, and use centrifugal force to further separate the solid particles and the residual liquid.
4. Purification and recovery: purification of the separated liquid, recovery of useful components, to achieve the reuse of resources.
5. Storage and transport: The treated material is stored for further use or transport to a designated location.
Fourth, the advantages and prospects of the system
The application of drilling waste disposal system effectively reduces the environmental pollution in the process of oilfield development and improves the utilization efficiency of resources. Has the following advantages:
1.Strong environmental performance: to achieve the reduction of waste, resource and harmless treatment.
2. High processing efficiency: Improve processing efficiency through automatic and intelligent equipment.
3. Cost saving: Realize the recycling of resources and reduce the cost of oilfield development.
Looking forward to the future, with the advancement of science and technology and the improvement of environmental protection requirements, the drilling waste treatment system will continue to upgrade and improve, providing more powerful support for the sustainable development of oil fields.
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