Products Description

In the process of oil and gas extraction, after fracturing treatment of high closing pressure and low permeability mineral deposits, fluid needs to be injected into the rock base to exceed the fracture strength of the formation, causing cracks in the rock formations around the wellbore to form a channel with high-level flow capabilities. . During this process, oil fracturing proppant plays a role in supporting the fractures from closing due to stress release, thereby maintaining high conductivity, allowing oil and gas to flow smoothly, and increasing production.

performance proppants selection criteria

The selection criteria for performance proppants include: sufficient compressive strength and anti-wear ability, the ability to withstand strong pressure and friction during injection, and effective support of artificial fractures; the relative density of particles should be low to facilitate pumping downholes ; The particle size should meet the design requirements of different oil wells, generally 0.4~0.8mm, the roundness and sphericity are greater than 0.9, and the particles are uniform and the surface is smooth, and its turbidity value should be less than 100 degrees to obtain the highest possible diversion Ability; at a temperature of 200 degrees Celsius, there will be no chemical interaction with fracturing fluids and reservoir fluids, and the maximum allowable acid solubility value should be less than 7%.

Performance index of low density and high strength performance proppants

Granularity	Roundness	Sphericity	Bulk density g/ cm³	Apparent density g/ cm³	Turbidity	Acid solubility％	Broken%
							52 MPa	69 MPa	86 MPa
40-70(mesh)	≥0.8	≥0.8			≤100	≤5.0		≤6	≤8
425-212μm
40-60(mesh)	≥0.8	≥0.8			≤100	≤5.0		≤6	≤8
425-250μm
30-50(mesh)	≥0.8	≥0.8	＞1.65	＞3.00	≤100	≤5.0	≤6	≤8	≤8
600-300μm
20-40(mesh)	≥0.8	≥0.8	＞1.65	＞3.00	≤100	≤5.0	≤7	≤10	≤8
850-425μm
16-30(mesh)	≥0.8	≥0.8			≤100	≤5.0		≤16
1180-600μm
16-20(mesh)	≥0.8	≥0.8			≤100	≤5.0		≤16
1180-850μm
12-20(mesh)	≥0.8	≥0.8			≤100	≤5.0	≤22
1700-850μm
12-18(mesh)	≥0.8	≥0.8			≤100	≤5.0	≤22