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Porcelain granule propping agent with ultra strength and super-high density and manufacturing method thereof

An ultra-high-strength, ultra-high-density technology, applied in the direction of earthwork drilling, mining fluid, wellbore/well components, etc., can solve the problems of high production cost, low utilization rate of resources, high energy consumption, etc., and achieve manufacturing cost Low, improve the reasonable utilization rate, the effect of high compressive strength

Inactive Publication Date: 2010-04-07
贵州鑫益能陶粒支撑剂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are defects such as high production cost, high energy consumption and low utilization rate of resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0017] a. Al 2 o 3 ≥76% bauxite raw ore is dried at 200°C and ground into a powder with a particle size of ≤0.049mm by Raymond mill to obtain material A;

[0018] b. Taking 100 parts by weight of material A as the base material, adding the following auxiliary materials in parts by weight: 1-3 parts of high-purity manganese oxide, 0.5-1.5 parts of magnesium oxide, and 1-2 parts of iron oxide. The B material is obtained after the base and auxiliary materials are mixed;

[0019] Other steps remain unchanged, get 103MPa, broken rate3.52g / cm 3 product.

Embodiment 3

[0021] a. Al 2 o 3 ≥77% bauxite raw ore is dried at 200°C and ground into a powder with a particle size of ≤0.049mm by Raymond mill to obtain material A;

[0022] b. Taking 100 parts by weight of material A as the base material, adding the following auxiliary materials in parts by weight: 2-5 parts of high-purity manganese oxide, 1-2 parts of magnesium oxide, and 1.5-3 parts of iron oxide. The B material is obtained after the base and auxiliary materials are mixed;

[0023] Other steps remain unchanged, get 103MPa, broken rate3.55g / cm 3 product.

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PUM

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Abstract

The invention relates to a porcelain granule propping agent with ultra strength and super-high density and a manufacturing method thereof. 100 parts of bauxite powdered ore (containing more than 76% of Al2O3) are used as base stock. Auxiliary materials are as follows: 0.5 to 5 parts of high purity manganese oxide, 0.3 to 2 parts of magnesium oxide and 0.1 to 3 parts of ferric oxide. The base stock and the auxiliary materials are evenly grinded into powder which is not more than 0.049 mm and then turned into a ball forming mill after mixing. Atomizing water vapor is continuously added during the ball forming mill rotating uniformly in a single direction. The materials are prepared into granule with roundness more than 0.9. A ring kiln sinters at 1200 to 1400 DEG C for 0.5 to 4 hours to acquire the propping agent of the invention. At the closing pressure of 103 MPa, the percentage of damage of the invention is less than 6% and the apparent density is more than 3.50 g / cm<3>. The invention has the advantages of high compressive resistance, high apparent density, excellent roundness, simple process, low manufacturing cost, high usage of resources, low energy consumption, etc. The invention can be used for manufacturing the porcelain granule propping agent with ultra strength and super-high density.

Description

Technical field: [0001] The invention relates to a method for preparing a proppant used in oil and gas well fracturing techniques, in particular to a method for manufacturing an ultra-high-strength and ultra-high-density ceramsite proppant. Background technique [0002] Proppant is a key material specially required for oil and gas deep and ultra-deep well fracturing technology, and plays an important role in increasing oil and gas production and prolonging the service life of oil and gas wells. In particular, ultra-high-strength and ultra-high-density ceramsite proppants with a fracture rate of less than 6% and apparent density greater than 103MPa are currently only produced by three large foreign companies. And most of them use bauxite calcined at 600-1000°C as raw material. There are defects such as high production cost, high energy consumption and low utilization rate of resources. Invention content: [0003] The purpose of the present invention is to provide ultra-hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/80C04B35/622C04B35/10
Inventor 不公告发明人
Owner 贵州鑫益能陶粒支撑剂有限公司
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