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Hydraulic Fracturing and Proppant

Views: 223     Author: seppe     Publish Time: 2024-01-16      Origin: www.seppe.cn

Sintered bauxite is also used as an oil field proppant. In drilling for oil and natural gas, the reservoir rock is often fractured by pumping fluids into the well under very high pressures. 


The pressure builds up to very high levels that cause the shale reservoir rock to fracture. When fracturing occurs, water and suspended particles known as "proppants" rush into the fractures and push them open. 


When the pumps are turned off, the fractures close, trapping the proppant particles in the reservoir. If an adequate number of crush-resistant particles remain in the reservoir, the fractures will be "propped" open, allowing for a flow of oil or natural gas out of the rocks and into the well. 


This process is known as hydraulic fracturing.


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