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Oil fracturing proppant containing coal gangue

A technology of fracturing proppant and coal gangue, which is applied in the field of materials, can solve problems such as no application prospects, and achieve the effects of improved reuse and low production costs

Inactive Publication Date: 2012-09-05
陕西省轻工业研究设计院 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coal gangue with high colored oxides such as iron, titanium and manganese has no application prospect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The chemical composition of the proppant formula of the present invention comprises by weight percentage: 5% of coal gangue, 85% of bauxite, 10% of composite fluxing agent, wherein the composite fluxing agent includes 0-10% of iron ore powder, 3% of manganese ore powder -8%, potassium feldspar 0-15%, glass powder 0-10%, lead-zinc ore 0-10%. : Coal gangue adopts the waste coal gangue with high colored oxides such as iron, titanium and manganese discharged during the coal mining process, and the glass powder can be used to recycle cullet.

Embodiment 2

[0012] The chemical composition of the proppant formula of the present invention comprises by weight percentage: 15% of coal gangue, 77% of bauxite, 8% of composite melting aid, wherein the composite melting aid includes 0-10% of iron ore powder, 3% of manganese ore powder -8%, potassium feldspar 0-15%, glass powder 0-10%, lead-zinc ore 0-10%. : Coal gangue adopts the waste coal gangue with high colored oxides such as iron, titanium and manganese discharged during the coal mining process, and the glass powder can be used to recycle cullet.

[0013] The production method of the present invention is: (1) all raw materials of coal gangue, bauxite and composite melting aid are pulverized into fine powders less than 300 meshes; (3) Mold the mixed material in the molding machine (spraying atomized water) that has been loaded into the masterbatch (prime), and the molding particle size 425-850 mesh; (4) After being formed and screened, the semi-finished product that meets the particl...

Embodiment 3

[0015] 5% coal gangue, 85% bauxite, and 10% compound flux. Among them, the composite flux contains 4% manganese ore powder and 6% glass powder;

[0016] Preparation method embodiment two.

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PUM

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Abstract

The invention discloses an oil fracturing proppant containing coal gangue, comprising the following components by weight percent: 5-30% of coal gangue, 50-90% of bauxite and 5-20% of composite cosolvent, wherein, the composite cosolvent comprises the following components by weight percent: 0-10% of iron ore powder, 3-8% of manganese ore powder, 0-15% of potassium feldspar, 0-10% of glass powder and 0-10% of lead zinc ore. The invention makes full use of the coal gangue which contains high content iron, titanium and manganese, reduces the environmental pollution in the process of mining and can also reduce the production cost of the fracturing proppant.

Description

technical field [0001] The invention belongs to the field of materials, in particular to an oil fracturing proppant added with coal gangue. Background technique [0002] As an emerging industry, ceramsite fracturing proppant has not been developed for a long time in my country, and its product structure and varieties are still far from perfect, and the processing scale and level of the industry are in the initial stage of development. A new type of oil deep well closed fracturing material sintered by ceramic sintering method, which is a substitute for medium and low strength proppants such as natural quartz, glass balls, and metal balls. At present, there are FMS-ΔG and FMS-(R) resin-coated fracturing proppants; Panzhihua Steel uses blast furnace slag to produce high-titanium oil fracturing proppants; ceramics produced from bauxite are used in Henan, Guizhou and other places in my country. fracturing proppant products; however, there is currently no fracturing proppant that ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K8/80
Inventor 李青海冯宗亮谢应民田涛
Owner 陕西省轻工业研究设计院