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Medium density propping agent used in waste ceramsite recycling production and preparation method thereof

A proppant and medium-density technology, applied in the field of medium-density proppant and its preparation, can solve the problems of production efficiency and benefit weakening, environmental pollution, etc., and achieve the effects of reducing product cost, low crushing rate and saving resources

Inactive Publication Date: 2014-05-07
YIXING TENGFEI OIL FRACTARING PROPPANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This has greatly weakened production efficiency and benefit;

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The raw materials of the proppant by weight percentage are: 80% of bauxite, 12% of waste ceramsite powder and 8% of manganese powder.

[0031] The weight percentage of main chemical composition in described bauxite is: Al 2 The content is 65%~78%, the Si content is 4%-12%, the Fe content is 1%~7%, and the Ti content is 2%~4%. The particle size of the bauxite is 320 mesh.

[0032] The weight percent of the main chemical components in the manganese powder is as follows: the manganese content is 55%-65%, the Si content is 10%-20%, and the particle size of the manganese powder is 320 mesh.

[0033] The waste ceramsite powder is ball-milled to a particle size of 325 meshes using ball milling technology.

[0034] making process:

[0035] (1) Mix bauxite, waste ceramsite powder and manganese powder in proportion to obtain a mixed material;

[0036] (2) Put the mixed material into the granulator and granulate to obtain the ceramsite green body (molding particle size is 0.5-...

Embodiment 2

[0039] The raw materials of the proppant by weight percentage are: 85% of bauxite, 8% of waste ceramsite powder and 7% of lithium hydroxide.

[0040] The weight percentage of main chemical composition in described bauxite is: Al 2 The content is 65%~78%, the Si content is 4%-12%, the Fe content is 1%~7%, and the Ti content is 2%~4%. The particle size of the bauxite is 320 mesh.

[0041] The particle size of the lithium hydroxide is 320 mesh.

[0042] The waste ceramsite powder is ball-milled to a particle size of 325 meshes using ball milling technology.

[0043] making process:

[0044] (1) Mix bauxite, waste ceramsite powder and lithium hydroxide in proportion to obtain a mixed material;

[0045] (2) Put the mixed material into the granulator and granulate to obtain the ceramsite green body (molding particle size is 0.5-1.0mm); use spray method to add water, the amount of water added is 15% of the weight of the mixed material;

[0046] (3) The ceramsite green body was s...

Embodiment 3

[0048] The raw materials of the proppant by weight percentage are: 80% of bauxite, 12% of waste ceramsite powder and 8% of lithium hydroxide.

[0049] The weight percentage of main chemical composition in described bauxite is: Al 2 The content is 65%~78%, the Si content is 4%-12%, the Fe content is 1%~7%, and the Ti content is 2%~4%. The particle size of the bauxite is 320 mesh.

[0050] The particle size of the lithium hydroxide is 320 mesh.

[0051] The waste ceramsite powder is ball-milled to a particle size of 325 meshes using ball milling technology.

[0052] making process:

[0053] (1) Mix bauxite, waste ceramsite powder and lithium hydroxide in proportion to obtain a mixed material;

[0054] (2) Put the mixed material into the granulator and granulate to obtain the ceramsite green body (molding particle size is 0.5-1.0mm); use spray method to add water, the amount of water added is 15% of the weight of the mixed material;

[0055] (3) The ceramsite green body was ...

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Abstract

The invention relates to a medium density propping agent used in waste ceramsite recycling production and a preparation method thereof. The medium density propping agent is prepared from the following raw materials in percent by weight: 80-90% of bauxite, 5-15% of waste ceramsite powder and 5-10% of fluxing agent. According to the medium density propping agent and the preparation method thereof which are disclosed by the invention, waste ceramsite produced in a production process is recycled, resource is saved, environmental pollution is reduced, product cost is reduced, and a product produced by adopting the preparation method disclosed by the invention completely meets the national quality standard. Meanwhile, lithium hydrate or a mixture of lithium hydrate and manganese powder is adopted as the fluxing agent besides the manganese powder, and the ceramsite propping agent prepared by adopting the lithium hydrate as the fluxing agent is lower in breaking rate. The lithium hydrate has single chemical components, so that fluctuation of quality of the ceramsite propping agent can not be caused owning to unstable chemical components of the fluxing agent.

Description

technical field [0001] The invention belongs to the field of inorganic non-metallic ceramic materials, and in particular relates to a medium-density proppant produced by recycling waste ceramsite and a preparation method thereof. Background technique [0002] Petroleum fracturing proppant (ceramsite sand) is a kind of ceramic particle product with high fracturing strength. It is mainly used for downhole support in oil and gas fields to increase oil and gas production. It is an environmentally friendly product. This product is a substitute for medium and low-strength proppants such as natural quartz sand, glass balls, and metal balls, and has a good effect on increasing oil and gas production. [0003] During oil and gas deep well mining, high closure pressure and low permeability deposits are treated by fracturing to crack the oil-gas-bearing rock formations, and oil and gas gather from the channels formed by the fractures. Petroleum fracturing proppant is used along with t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/10C04B35/622C04B35/63
Inventor 黄锡明
Owner YIXING TENGFEI OIL FRACTARING PROPPANT
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