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Method for comprehensively utilizing water-based rock debris through SiC template method

A template method and cuttings technology, applied in the field of environmental protection and resource recycling, can solve environmental pollution and other problems, achieve the effect of solving environmental pollution problems, increasing content, and improving mechanical properties

Active Publication Date: 2022-07-29
河南龙德福新材料科技研究院有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the present invention realizes the recycling and reuse of water-based cuttings, which is beneficial to solve the problem of environmental pollution, and is expected to be used in the field of oil and gas exploitation

Method used

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  • Method for comprehensively utilizing water-based rock debris through SiC template method
  • Method for comprehensively utilizing water-based rock debris through SiC template method
  • Method for comprehensively utilizing water-based rock debris through SiC template method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1 (comparative example):

[0030] A method for comprehensive utilization of water-based cuttings, the detailed steps of the comprehensive utilization method are as follows:

[0031] a. Using water-based cuttings A and water-based cuttings B as raw materials, 100kg of water-based cuttings A and 10 kg of water-based cuttings B are batched. After batching, a ball mill is used for mixing. During the mixing process, the speed of the ball mill is 200r / min, time is 24h, after ball milling and mixing, the mixed powder is obtained;

[0032] b, adding the mixed powder obtained in step a into a round pot granulator for spray granulation, the frequency of the round pot granulator is 50Hz, and the rotating speed is 25~30r / min; the particle size obtained after granulation is 20 / 140 purpose materials;

[0033] c. The material obtained in step b is dried in a blast drying oven, and the drying temperature is 80° C., and is dried until the moisture content of the obtained prod...

Embodiment 2

[0036] The present invention comprehensively utilizes the method for water-based cuttings through the SiC template method, and the detailed steps of the comprehensive utilization method are as follows:

[0037] a. Using water-based cuttings A and water-based cuttings B as raw materials, and SiC crystal seeds as templates, 100 kg of water-based cuttings A, 10 kg of water-based cuttings B and 2 kg of SiC crystal seeds are batched. Mixing, in the mixing process, the speed of the ball mill is 260r / min, the ball milling time is 20h, and the mixed powder is obtained after the ball milling and mixing;

[0038] b, adding the mixed powder obtained in step a into a round pot granulator for spray granulation, the frequency of the round pot granulator is 50Hz, and the rotating speed is 20~25r / min; the particle size obtained after granulation is 20 / 140 purpose materials;

[0039] c. The material obtained in step b is dried in a blast drying oven, and the drying temperature is 70° C., and ...

Embodiment 3

[0042] The present invention comprehensively utilizes the method for water-based cuttings through the SiC template method, and the detailed steps of the comprehensive utilization method are as follows:

[0043] a. Using water-based cuttings A and water-based cuttings B as raw materials, and SiC crystal seeds as templates, 100 kg of water-based cuttings A, 10 kg of water-based cuttings B and 4 kg of SiC crystal seeds are batched, and after batching, a ball mill is used to carry out Mixing, in the mixing process, the speed of the ball mill is 180r / min, the ball milling time is 32h, and the mixed powder is obtained after the ball milling and mixing;

[0044] b, adding the mixed powder obtained in step a into a round pot granulator for spray granulation, the frequency of the round pot granulator is 50Hz, and the rotating speed is 20~25r / min; the particle size obtained after granulation is 20 / 140 purpose materials;

[0045] c. The material obtained in step b is dried in a blast dr...

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Abstract

The invention discloses a method for comprehensively utilizing water-based rock debris through a SiC template method. The preparation method comprises the following steps: by taking water-based rock debris A and water-based rock debris B as raw materials and SiC seed crystal as a template, proportioning the water-based rock debris A, the water-based rock debris B and the SiC seed crystal, and carrying out ball milling and uniform mixing after proportioning, so as to obtain mixed powder; adding the mixed powder into a granulator for spray granulation to obtain a material with the particle size of 20 / 140 meshes; drying the obtained material to obtain a spherical green body; and carrying out heat treatment on the spherical green body to obtain the high-strength novel proppant. According to the technical scheme, the high-strength spherical mechanical material, namely the novel proppant, is obtained through reasonable proportioning and normal-pressure heat treatment. Therefore, recycling of the water-based rock debris is achieved, the problem of environmental pollution is solved, and the method is expected to be used in the field of oil and gas exploitation.

Description

1. Technical field: [0001] The invention belongs to the technical field of environmental protection and resource recycling, and in particular relates to a method for comprehensively utilizing water-based cuttings through a SiC template method. 2. Background technology: [0002] Water-based cuttings are a kind of solid waste produced in petroleum exploration and development. The main components are shale, bentonite, lubricants and chlorides. If the water-based debris produced is not handled or handled improperly, it is easy to induce environmental pollution and endanger human health. In recent years, with my country's continuous emphasis on environmental issues, it is required that solid wastes need to be reduced, environmentally friendly and resourceful. The survey shows that my country does not yet have the ability to treat water-based debris in a high-efficiency, large-scale, and industrialized manner. Therefore, there is an urgent need to develop new approaches for the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/185C04B35/622C09K8/80
CPCC04B35/185C04B35/62204C09K8/80C04B2235/96Y02P40/60
Inventor 戚东涛樊治海蔡克靳权刘钊常春丽刘现伟刘元煦王君霞沈立峰
Owner 河南龙德福新材料科技研究院有限公司