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Adjustable core clamp holder

A core holder, adjustable technology, applied in the direction of scientific instruments, measuring devices, suspension and porous material analysis, etc., can solve the problems of poor sealing, high investment cost, complex structure, etc., and achieve the effect of improving sealing

Active Publication Date: 2019-06-07
CHINA UNIV OF GEOSCIENCES (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Core holders mainly include Hassler-type core holders and three-circumferential core holders. No matter what kind of core holders are used, it is necessary to make special-sized holders for cores of different diameters and lengths. To realize the effective pressurization of the sample, the investment cost is high, and there are often problems of complex structure and poor sealing

Method used

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] see Figure 1-4 , the present invention provides a technical solution: an adjustable core holder, characterized in that: the adjustable core holder includes:

[0030] The holder cylinder 1, the holder cylinder 1 is a rotating body, and its interior is a cavity structure;

[0031] Rubber sleeve 2, the rubber sleeve 2 is used for nesting the rock core 17 and the detachable core plug 3 stuck at the two ends of the rock core 17;

[0032] A core plug seat ...

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Abstract

The invention discloses an adjustable core clamp holder comprising a clamp holder cylinder, a rubber sleeve, a core plugging base, and a mobile core plugging base. The clamp holder cylinder being a revolution body has the inside with a cavity structure. The rubber sleeve is used for sleeving a core and a detachable core plug clamped at the two ends of the core. The core plugging base is a connector; one end of the core plugging base is connected with the detachable core plug; and the other end of the core plug is connected with a liquid outlet copper tube bracket. The mobile core plugging baseis arranged in the inner wall of the clamp holder cylinder in a sliding manner and is used for supporting and adjusting the adjacent detachable core plug; and end sockets and end socket pressing capsare arranged at the two ends of the core plugging base and the mobile core plugging base. According to the invention, the rock samples with different diameters and different lengths can be clamped; the time and economic costs are saved; and the sealing performance is good.

Description

technical field [0001] The invention relates to a rock experiment processing device, in particular to an adjustable rock core holder. Background technique [0002] The core holder is a device used to hold, protect the rock sample and seal the cylinder or end face (usually the end face of the fluid inlet and outlet) when measuring the seepage characteristics of the rock sample or carrying out the displacement test in the laboratory. An indispensable and important auxiliary part in the device. In order to simulate the physical properties of the core (porosity, permeability, relative permeability, etc.) under the condition of simulated formation pressure, the laboratory often uses the core holder to realize the application of formation pressure. Core holders mainly include Hassler-type core holders and three-circumferential core holders. No matter what kind of core holders are used, it is necessary to make special-sized holders for cores of different diameters and lengths. To ...

Claims

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Application Information

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IPC IPC(8): G01N15/08G01N33/24
Inventor 李松汤达祯许浩陶树刘彦飞陈博朱双喜
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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