Portable storage device for shale oil and gas low-temperature pressure-maintaining core samples

CN119370470APending Publication Date: 2025-01-28NORTHEAST GASOLINEEUM UNIV +1
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Patent Information

Application Number
CN202411587275.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-01-28

AI Technical Summary

Technical Problem

In the prior art, shale oil and gas core samples are prone to evaporation of light components in oil shale oil under normal temperature and pressure environment, affecting the research results of sample components and content, and at the same time, the storage device is large in size and inconvenient to carry.

Method used

Design a portable storage device, including box, cylindrical storage cavity, rubber case, tight mechanism, semiconductor refrigeration film and PLC controller. The rock -hearted sample in the rubber jacket was performed by the high -pressure air pump, and the semiconductor refrigerated film was used to cool down to form a high -pressure and low temperature environment to prevent the light component from volatilizing.

Benefits of technology

Effectively avoid the volatilization of light -quality components in shale oil, ensure the accurate judgment of the component, content and mobility of the sample, and at the same time, due to the small device, it is easy to carry and transport.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of rock core preservation, and particularly relates to a portable storage device for shale oil and gas low-temperature pressure-maintaining rock core samples. Comprising a box body, a plurality of storage cavities are formed in the periphery of the box body in the circumferential direction, cylindrical rubber sleeves are arranged in the storage cavities, the tops of the rubber sleeves are fixedly connected with the side walls of the upper portions of the storage cavities, and the bottoms of the rubber sleeves are fixedly connected with the side walls of the lower portions of the storage cavities; an air inlet branch pipe is respectively communicated between the air inlet main pipe and each storage cavity, an air outlet branch pipe is respectively communicated between the air outlet main pipe and each storage cavity, and each air inlet branch pipe and each air outlet branch pipe are respectively communicated with an electromagnetic valve. According to the invention, a high-pressure low-temperature environment can be provided for a rock core sample, so that light components in shale oil are prevented from being volatilized and dissipated, and exploration personnel can correctly judge the components, the content and the mobility of the shale oil in related rock stratums.
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Citation Information

Patent Citations

  • Core barrel

    CN112922550A

  • Natural gas hydrate rock core transferring and storing device

    CN113565459A

  • Rock core sealing storage device, gas sampling device and sampling method

    CN114427987A

  • Rock core gas permeability detection device

    CN211669025U

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    CN219989868U