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Method, device, control method and control device for disintegrating consolidated and deposited fine particles

A control method, fine particle technology

Pending Publication Date: 2020-08-07
DAQING OILFIELD CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the important problem is that due to the dense cementation between the fine-grained grains of the consolidated sediments and the impact of rock diagenesis in the later stage, manual wet grinding causes the coarse-grained grains to be ground into fine-grained grains, which artificially increases the number of fine grains. Destroys the size and shape of the original consolidated sediment particles, distorting analysis results
At the same time, manual wet grinding takes a long time, consumes a lot of manpower, and has low work efficiency, resulting in a long analysis cycle, which is difficult to meet the needs of scientific research and production

Method used

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  • Method, device, control method and control device for disintegrating consolidated and deposited fine particles
  • Method, device, control method and control device for disintegrating consolidated and deposited fine particles
  • Method, device, control method and control device for disintegrating consolidated and deposited fine particles

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Embodiment Construction

[0063]The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the invention, some specific details are set forth in detail. However, the present invention can be fully understood by those skilled in the art about the parts that are not described in detail.

[0064] In addition, those of ordinary skill in the art should understand that the provided drawings are only for illustrating the objects, features and advantages of the present invention, and the drawings are not actually drawn to scale.

[0065] At the same time, unless the context clearly requires, the words "include", "include" and other similar words in the entire specification and claims should be interpreted as an inclusive meaning rather than an exclusive or exhaustive meaning; that is, "include but not limited to the meaning of ".

[0066] The method for dissolving the consolidate...

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Abstract

The invention discloses a method, device, control method and control device for disintegrating consolidated and deposited fine particles, and relates to the technical field of petroleum and natural gas geological experiments, and method comprises the following steps: filling pores and / or cracks of consolidation deposition fine particles with water; and alternately freezing and unfreezing the consolidated and deposited fine particles with the water in the pores and / or cracks to finish the disintegration of the consolidated and deposited fine particles. The particle damage degree can be minimized, the original appearance of the particles is kept, the problem of more damage to the original particles caused by manual grinding is avoided, the shape characteristics of the mineral particles during original deposition are kept, the obtained particle size distribution information is complete, the disintegrated consolidated and deposited particles are obtained more truly, and technical support is provided for researching the ancient geographical environment.

Description

technical field [0001] The invention belongs to the technical field of petroleum and natural gas geological experiments, and relates to a method, a device, a control method and a control device for dissolving consolidated deposition fine particles. Background technique [0002] Consolidated sedimentary fine grains belong to fine-grained sedimentary clastic rocks deposited in ancient times, and its grain size distribution is one of the main characteristics of sedimentary rocks. By studying the structural characteristics of the consolidated sedimentary fine particles, such as the particle size and the distribution of each particle size, it can directly reflect the hydrodynamic conditions in the ancient depositional period, and provide a basis for the study of lithological classification, lithofacies characteristics and heterogeneity of oil and gas layers. It plays an important role in the exploration and development of unconventional oil and gas. [0003] Consolidated sedimen...

Claims

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Application Information

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IPC IPC(8): G01N1/42G01N1/44G01N1/28G01N15/02
CPCG01N1/42G01N1/44G01N1/28G01N15/0205
Inventor 徐喜庆冯子辉潘昊黄丽娜金大伟张文义赵俊文王晓宇郭晓飞
Owner DAQING OILFIELD CO LTD
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