Performance of petroleum proppant products

Release time: 2022-07-04

Performance requirements for petroleum proppant:

1. Proppant shall have sufficient compressive strength and wear resistance, be able to withstand strong pressure and friction during injection, and effectively support artificial cracks.

2. The relative density of proppant particles shall be low to facilitate pumping into the well.

3. Under the temperature of 200 ℃, proppant particles will not have chemical interaction with fracturing fluid and reservoir fluid, and the maximum allowable acid solubility should be less than 7%.

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$Research status and progress of functional fracturing proppant used in oil and gas development (I)$

Research status and progress of functional fracturing proppant used in oil and gas development (I)

When oil and gas are exploited in deep wells, after fracturing treatment of high closing pressure and low permeability deposits, the oil and gas bearing strata will split, and oil and gas will flow out of the channel formed by the fractures. At this time, fluid needs to be injected into the rock base to exceed the pressure of the formation fracture strength, so that the surrounding rock layer around the wellbore will produce fractures, forming a channel with high flow capacity. In order to keep the fractures formed after fracturing open, oil and gas products can pass through smoothly. With the high pressure solution, the oil proppant is used to enter the formation and fill in the rock fractures, which plays a role in supporting the fractures not to be closed due to stress release, thus maintaining high conductivity, making oil and gas unblocked and increasing production.

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