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Airtight drilling fluid solid control system

2012-12-06

For adapting the drilling requirements on the sea and special areas, easy to transport and install, the USA and USSR produce the airtight drilling fluid solid control system successively since the 1970s. The system is constituted by shale shakers, swirlers, mud cleaners, centrifuges, mud agitators and various tanks, carry out the drilling fluid closed cycle process.

In the airtight drilling fluid solid control system, the underflow of screw type centrifuge will not be discarded, but be delivered to high-speed centrifuge to dispose, the eliminating drilling cuttings is dry. When in offshore drilling, the eliminating drilling cuttings handled by a set of distillation system, to cleaning the greasy dirt and water, and then the disposed drilling cuttings will be discharged into ocean, in this way can reduce pollution.

In general, airtight drilling fluid solid control system should have the following equipments: two detail shale shakers, one vacuum degasser, two mud cleaners, two screw type centrifuges, one high-speed centrifuge, and the drilling mud tanks system with intercommunicating pores. The drilling mud tanks system includes three main tanks and two small storage tanks.