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Why use Ceramic Proppants

Views: 94     Author: SEPPE     Publish Time: 2021-04-14      Origin: SEPPE Technologies

Why choose Ceramic Proppants

Performance requirements of petroleum proppant:

1. The proppant must have sufficient compressive strength and wear resistance, be able to withstand the strong pressure and friction during injection, and effectively support artificial fractures.

2. The relative density of proppant particles should be low, which is convenient for pumping downhole.

3. When the temperature is 200 degrees, the proppant particles will not chemically interact with fracturing fluids and reservoir fluids, and the maximum allowable acid solubility should be less than 7%.

At present, the commonly used proppants mainly include quartz sand, resin-coated composite particles and Ceramic Proppants

Quartz sand is used in large quantities because of its low cost and low density, which is easy to pump. However, quartz sand has low strong bottom and poor sphericity, which reduces fracture conductivity and is not suitable for deep wells with high closure pressure.

The composite particles of resin-coated quartz sand have improved sphericity, stronger corrosion resistance, and better flow conductivity. However, the product has a short retention period and high cost. The current era is cost-oriented, so it is not easy to promote.

Ceramic Proppants, which use bauxite as raw material and adopt ceramsite technology, have high density, good sphericity, corrosion resistance, high temperature resistance, and high pressure resistance. At the same time, the cost can be better controlled. Therefore, they are more and more widely used in oil and gas fields.

Practice has proved that oil wells fracturing with Ceramic Proppants can increase production by 30-50% and extend the service life of oil and gas wells. It is a key material for low-permeability exploitation of oil and natural gas. It can not only increase oil and gas production, but also extend the service life of oil and gas wells.

The main raw material of Ceramic Proppants is bauxite, while China is a country rich in bauxite. The distribution of bauxite is highly concentrated. The reserves of the four provinces (regions) of Shanxi, Guizhou, Henan and Guangxi account for 90% of the country’s total reserves. Ceramic Proppants made by Chinese companies gradually replaced conventional proppants and entered the US market with good supporting capabilities. At present, Chinese-made Ceramic Proppants have occupied 15% of the entire North American ceramsite proppant market.

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