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Super strength ceramic aggregate proppant and method for preparing same

A proppant and super-strength technology, which is applied in the field of preparation of the super-strength ceramsite proppant, can solve the problems of low pressure bearing capacity and achieve the effects of high crush resistance, smooth oil and gas circulation, and increased oil production rate

Inactive Publication Date: 2006-10-11
SANMENXIA FANGYUAN IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the pressure-bearing capacity of its proppant reaches 69MPa, it still has the disadvantage of low pressure-bearing capacity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The ceramsite proppant of the present invention is made up of the component of following weight percentage content: bauxite (AL 2 o 3 : 90%) 10%, bauxite (AL 2 o 3 : 74%) 70%, high-iron bauxite (AL 2 o 3 : 52%, Fe 2 o 3 : 23%) 15%, clay (AL 2 o 3 : 39%) 20%, manganese ore (MnO 2 : 43%) 5%, potassium feldspar (K 2 O+Na 2 O: 16%) 2.5%, Hujing: 0.5%.

[0019] During preparation, the above-mentioned mineral raw materials are ground into fine powders with an ultra-fine Raymond mill, sieved separately, passed through 325 mesh, and set aside, and the fine powders of the above-mentioned mineral components are mixed and stirred evenly in proportion, and transferred to rolling granulation Granulating in the machine, under the one-way uniform rotation of the granulator, the mixture is continuously and evenly added to the granulator, and atomized water is added at the same time, until the mixture forms round particles of different sizes, stop adding atomized water, Then...

Embodiment 2

[0020] Embodiment 2 (preparation method is the same as embodiment 1)

[0021] The ceramsite proppant of the present invention is made up of the component of following weight percentage content: bauxite (AL 2 o 3 : 85%) 30%, bauxite (AL 2 o 3 : 77%) 50%, high-iron bauxite (AL 2 o 3 : 48%, Fe 2 o 3 : 25%) 8%, clay (AL 2 o 3 : 32%) 7%, manganese ore (MnO 2 : 47%) 4.4%, potassium feldspar (K 2 O+Na 2 O: 16%) 0.5%, Hujing: 0.1%.

Embodiment 3

[0022] Embodiment 3 (preparation method is the same as embodiment 1)

[0023] The ceramsite proppant of the present invention is made up of the component of following weight percentage content: bauxite (AL 2 o 3 : 88%) 15%, bauxite (AL 2 o 3 : 75%) 55%, high iron bauxite (AL 2 o 3 : 50%, Fe 2 o 3 : 27%) 10%, clay (AL 2 o 3 : 35%) 13.3%, manganese ore (MnO 2 : 45%) 3%, potassium feldspar (K 2 O+Na 2 O: 16%) 2.5%, Hujing: 1.2%.

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Abstract

The invention discloses a ceramsite proppant having super-strength and its preparing process, wherein the raw materials include (by weight percent) alumina soil 10-30%, beauxite 50-70%, high ferro beauxite 8-15%, clay 7-20%, manganese ore 2-5%, potash feldspar 0.5-2.55 and starch gum 0.1-1.2%.

Description

technical field [0001] The invention relates to a super-strength ceramsite proppant, and also relates to a preparation method of the super-strength ceramsite proppant. Background technique [0002] In oil and natural gas deep well exploitation and ultra-deep well fracturing, proppants are used to provide high-permeability channels for oil and gas flow, maintain high conductivity, and increase oil and gas production. my country's petroleum industry generally refers to proppants with a pressure bearing capacity of 69MPa and 86MPa as high-strength ceramsite proppants. For example, the invention name is: high-strength ceramsite proppant and its preparation method, and the application number is: 200410010272.6 Chinese patent application discloses a high-strength ceramsite proppant and its preparation method, which is characterized in that it consists of the following weight percentage content Composition of components: Al 2 o 3 74-80%, SiO 2 5.5-10.5%, TiO 2 2.5-3.5%, Fe ...

Claims

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Application Information

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IPC IPC(8): C09K8/80
Inventor 程传文张希君
Owner SANMENXIA FANGYUAN IND
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