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Fracturing propping agent and preparation method thereof

A fracturing proppant and proppant technology, which is applied in chemical instruments and methods, earthwork drilling, production of fluids, etc., can solve the problems of high energy consumption and high sintering temperature, and achieve low acid solubility, low sintering temperature, and low sintering temperature. The effect of production costs

Inactive Publication Date: 2017-08-18
ZHENGZHOU RUNBAO REFRACTORY MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The second purpose of the present invention is to provide a preparation method of fracturing proppant to alleviate the technical problems of high sintering temperature and high energy consumption in the preparation method in the prior art

Method used

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  • Fracturing propping agent and preparation method thereof
  • Fracturing propping agent and preparation method thereof

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preparation example Construction

[0059] In a preferred embodiment of the present invention, the preparation method of the fracturing proppant specifically includes the following steps:

[0060] Step (a): ball milling sericite, bauxite proppant waste, silica and additives to obtain a fine powder with a mesh size of 300-500 mesh;

[0061] Step (b): Putting the fine powder prepared in step (a) into a ball forming machine to obtain spherical particles with a particle size of 0.212 to 0.425 mm, and then sintering the prepared spherical particles at a temperature of 1150 to 1250 ° C to produce Get fracturing proppant.

Embodiment 1

[0064] An additive, in parts by weight, said additive is mainly made of the following raw materials: 60 parts of bauxite, 8 parts of lanthanide rare earth, 2 parts of kaolin, 8 parts of flux and 0.3 part of manganese ore;

[0065] Wherein, the above-mentioned flux is a mixture of bentonite, magnesia clay, silica fume and boric acid, and the mass ratio of bentonite, magnesia clay, silica fume and boric acid is 1:1:1:1.

Embodiment 2

[0067] An additive, in parts by weight, said additive is mainly made of the following raw materials: 65 parts of bauxite, 12 parts of lanthanide rare earth, 6 parts of kaolin, 12 parts of flux and 1 part of manganese ore;

[0068] Wherein, the above-mentioned flux is a mixture of bentonite, magnesia clay, silica fume and boric acid, and the mass ratio of bentonite, magnesia clay, silica fume and boric acid is 1:1:1:1.

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Abstract

The invention provides a fracturing propping agent and a preparation method thereof, and relates to the technical field of petrochemical engineering. The fracturing propping agent comprises the following raw materials: sericite, a bauxite propping agent waste material, silica and an additive, wherein the resource reserve of the sericite and the silica is large, and the price is low. Compared with high-grade bauxite (of which the Al2O3 content is 73% or above) used in the prior art, the fracturing propping agent has the characteristics that from the cost of the raw materials, the cost of the fracturing propping agent can be greatly reduced, meanwhile, the fracturing propping agent has the advantages of low volume density, low apparent density, low acid solubility, low percentage of damage and the like, the production cost and the fracturing cost can be reduced, production increasing of an oil and gas field is further facilitated, and the problem that the production cost is over high due to the fact that raw bauxite or light calcined bauxite is used as a main raw material in production of the fracturing propping agent in the prior art is solved.

Description

technical field [0001] The invention relates to the technical field of petrochemical industry, in particular to a fracturing proppant and a preparation method thereof. Background technique [0002] Fracturing proppant is a kind of ceramic particle product with high fracturing strength, mainly used for downhole support in oil fields to increase the production of oil and natural gas. When oil and gas deep wells are exploited, high closure fracturing and low permeability deposits are fractured After treatment, the oil and gas-bearing rock formations are cracked, and oil and gas are collected from the channels formed by the cracks. The ceramsite support material is used to enter the formation along with the high-pressure solution to fill in the rock formation fissures, and play a role in supporting the fissures from being closed due to stress release, thereby maintaining high conductivity, allowing oil and gas to flow smoothly, and increasing production. Practice has proved tha...

Claims

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Application Information

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IPC IPC(8): C04B35/19C04B35/622C09K8/80
CPCC04B35/19C04B35/62204C04B2235/3217C04B2235/3409C04B2235/349C04B2235/40C04B2235/5228C04B2235/5427C04B2235/77C09K8/80
Inventor 朱现峰贾勤长
Owner ZHENGZHOU RUNBAO REFRACTORY MATERIAL CO LTD
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