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Petroleum fracturing propping agent and preparation method thereof

A fracturing proppant and proppant technology, applied in chemical instruments and methods, earthwork drilling, wellbore/well parts, etc., can solve problems such as narrowing of the firing range of petroleum proppant, sticking kiln rings, high price, etc. problem, to achieve the effect of structure densification, internal structure densification and reduction of breakage rate

Active Publication Date: 2020-12-15
河南建筑材料研究设计院有限责任公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the other hand, currently the production of petroleum proppants generally adopts relatively expensive pyrolusite powder (the main chemical composition is MnO 2 ) as a mineralizer has the advantages of strong mineralization effect and good effect, but the disadvantage is that it is more expensive and has a very low melting point (390°C). Therefore, when there are many impurities with low melting point in the raw material, it is easy to cause the oil proppant to be damaged. The firing range becomes narrower, agglomerates appear, and even stick to the kiln and form rings

Method used

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  • Petroleum fracturing propping agent and preparation method thereof
  • Petroleum fracturing propping agent and preparation method thereof
  • Petroleum fracturing propping agent and preparation method thereof

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Embodiment Construction

[0029] The specific implementation of the present invention will be described below in conjunction with the examples, but the following examples are only used to describe the present invention in detail, and do not limit the scope of the present invention in any way.

[0030] Al in the bauxite powder in the following examples 2 o 3 The content of silicon dioxide is 64.03%, the content of silicon oxide is 10.76%, and the content of iron oxide is 3.08%. The alumina content in the pulverized fine powder is 68.87%, the silicon oxide content is 13.88%, and the iron oxide content is 3.85%.

[0031] The following examples and comparative examples are some typical representative examples of the inventor in the research process, and list 1 is as follows:

[0032]

[0033] The preparation method that above embodiment and comparative example adopt are as follows:

[0034] 1) Get each raw material in proportion;

[0035] 2) mix each raw material;

[0036] 3) Granulation, feed the ...

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Abstract

The invention belongs to the technical field of petroleum propping agents, and particularly relates to a petroleum fracturing propping agent and a preparation method thereof. The petroleum fracturingpropping agent is prepared from bauxite powder, crushed fine powder, calcium aluminate cement and polysiloxane. The petroleum fracturing propping agent with excellent breaking rate performance is successfully prepared by taking a secondary bauxite powder as a raw material instead of taking the primary bauxite or the special bauxite as the raw material through optimization of product raw materialsand a preparation process.

Description

technical field [0001] The invention belongs to the technical field of petroleum proppant, and in particular relates to a petroleum fracturing proppant and a preparation method thereof. Background technique [0002] With the development of natural gas and petroleum industries, hydraulic fracturing technology has been widely used in the exploitation of oil and gas fields. During the implementation of hydraulic fracturing technology, petroleum proppant is a key factor affecting the implementation effect. The role of petroleum proppant is to support the two walls of rock fractures in hydraulic fracturing, ensuring that when the bottom hole pressure drops below the closing pressure, the fractures leading to the oil and gas wellbore remain open, reducing the flow resistance of oil and gas, thereby To achieve the effect of increasing oil and gas production. [0003] In the past period of time, domestic enterprises mainly used first-grade or even super-grade bauxite, which has le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K8/80
CPCC09K8/80Y02P40/60
Inventor 张梦真尹蕊李静娄广辉杨子郭蕊陆冰边华英卢文运张伟王志斌李莹王今华李国旺翟祝贺张伟超
Owner 河南建筑材料研究设计院有限责任公司
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