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Current location:HOME>> News>> Industry News>> Factors of Ceramic Proppant Fracture on Conductivity
Factors of Ceramic Proppant Fracture on Conductivity
AUTHOR:admin PUBLISHED:2016-03-04 CLICK:正在读取

Conductivity is a comprehensive reflection of the physical properties and ceramic proppant fracture, it is one of the most critical parameters proppant selection and optimization design.

There are many factors which influence the ceramic proppant conductivity, including: proppant fracture to withstand the force, the physical properties of the proppant, the proppant in the fracture and proppant concentration laid rock embedded, pressure time and fracturing fluid on the proppant fracture damage and many other factors.

Factors one: Formation stress and pore pressure

Support band formed after fracturing proppant fracture closure pressure to bear, it is the formation in situ stress that is the minimum principal stress and pore pressure difference.

Factors two: the physical properties of the proppant

Proppant particle size uniformity, roundness and sphericity, proppant crush resistance, all the ability have an important impact to the proppant conductivity.

Factors three: the proppant laid concentration

The proppant laid concentration refers to the support dosage units on the fracture surface. Fracture conductivity with increasing fracture proppant laid concentration increased multilayered laid not only can reduce the degree of fragmentation of proppant, but also can increase the width of the cracks.

Factors four: proppant crushing and embedding.

When the support belt fracture closure, the proppant particles will be embedded in the rock wall fracture or rock crushing, both of which would affect the effective fracture width and fracture permeability, thus affecting the fracture conductivity decreases.

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