A rock core clamping device for visualized researching of a porous medium dynamic percolation process with a micro-CT device

A technique for porous media, holding equipment, used in suspension and porous material analysis, permeability/surface area analysis, material analysis using wave/particle radiation, etc., to solve problems such as oversize, scanning studies, size limitations, etc. , to achieve the effect of preventing lax sealing, wide application range and flexible force application

Inactive Publication Date: 2018-12-04
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the limitation of the size of the micro-CT machine itself, the commonly used rock core holding equipment has problems such as excessive size and complex structure. It is difficult to use the micro-CT machine to scan and study the dynamic multi-phase displacement process in the core sample.

Method used

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  • A rock core clamping device for visualized researching of a porous medium dynamic percolation process with a micro-CT device
  • A rock core clamping device for visualized researching of a porous medium dynamic percolation process with a micro-CT device
  • A rock core clamping device for visualized researching of a porous medium dynamic percolation process with a micro-CT device

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Embodiment Construction

[0012] The following is a further description of the specific installation and measurement methods in the experiment for a displacement device of the present invention that can realize the visualization research of the dynamic seepage process of porous media in conjunction with the accompanying drawings:

[0013] Referring to the figure, this equipment is composed of 1 fixture adjusting nut, 2 fixture claw lock, 3 cover plate, 4 fixture seat, 5 upper end cover, 6 sleeve, 7 fixture claw, 8 lower end cover, 9 lock rotation slot, 10 Cover plate fixing buckle, 11 fixture claw groove, 12 locking triangular groove, 13 locking annular protrusion, 14 liquid inlet, 15 upper gasket, 16 porous medium, 17 lower gasket, 18 rubber pad, 19 glue injection port plug, 20 Porous medium clamping groove, 21 Glue injection groove, 22 Triangular protrusion of fixture claw, 23 Fixture claw rotating groove I, 24 Fixture claw rotating groove II, 25 Fixture claw rotating groove III, 26 Through hole I, 27...

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Abstract

Industrial micro-CT devices are widely applied in the field of crude oil extraction, but because micro-CT devices is limited in size and present commonly used rock core clamping devices are overlargein size, complex in structure, and the like, scanning researching on a dynamic multi-phase displacement process in a rock core test piece cannot be performed with the micro-CT devices. The invention provides a rock core clamping device for visualized researching of a porous medium dynamic percolation process with a micro-CT device. Through the clamping device, the micro-CT device can perform on-line observation and analysis on a dynamic percolation process in a porous medium effectively. A main body includes a clamping unit and a displacement unit, is formed by a PEEK material having low X raypenetration loss and AB glue, and can tolerate certain pressure. The clamping device can be put, based on a miniaturization design, into a micro-CT device testing cavity to perform on-line testing ofa dynamic multi-phase displacement process in a rock core test piece in the cavity, and after the test is finished, the clamping device can be used again only by simply changing a sleeve.

Description

technical field [0001] The invention relates to the field of testing equipment for dynamic seepage process in porous media, in particular to a rock core clamping device used for micro-CT equipment to visualize and study the dynamic seepage process of porous media. Background technique [0002] Today, industrial micro-CT machines have been widely used in the field of crude oil extraction. In the research on the process of flooding and recovery under formation conditions, the micro-CT machine is used to scan the core sample, and with the help of image processing software, the internal structure of the core and the saturation distribution information of each phase during the multi-phase fluid displacement process can be obtained . However, due to the limitation of the size of the micro-CT machine itself, the existing commonly used core holding equipment has problems such as oversized and complex structures, and it is difficult to use the micro-CT machine to scan and study the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/046G01N15/08
CPCG01N15/0806G01N23/046
Inventor 杜东兴郑利晨李莺歌
Owner QINGDAO UNIV OF SCI & TECH
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