Glutenite sample preparation and treatment method for scanning electron microscope

A technology for scanning electron microscopy and sample preparation, which is applied in the scanning field to achieve stable samples, avoid chipping, and improve scanning effects

Pending Publication Date: 2020-05-15
PETROCHINA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides a method for preparing and processing sandy conglomerate samples for scanning electron microscopy, so as to solve the problems caused by using resin embedding method in the prior art to prepare sandy conglomerate samples for scanning electron microscopy

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  • Glutenite sample preparation and treatment method for scanning electron microscope
  • Glutenite sample preparation and treatment method for scanning electron microscope
  • Glutenite sample preparation and treatment method for scanning electron microscope

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] This embodiment provides a method for preparing and processing sandy conglomerate samples for scanning electron microscopy, figure 1 It is a flowchart of a sample preparation and processing method for a scanning electron microscope according to an embodiment of the present invention, su...

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Abstract

The invention provides a glutenite sample preparation and treatment method for a scanning electron microscope. The method comprises the following steps: selecting a glutenite rock sample according tothe requirements of the scanning electron microscope; performing section piling on the rock sample; drying the rock sample subjected to section pile loading; and wrapping the dried rock sample with atleast one layer of double-sided conductive tape. The scanning electron microscope glutenite sample preparation method solves the problems caused by adopting a resin embedding method to prepare a scanning electron microscope glutenite sample in the prior art, so that the sample is more stable, chippings are prevented from falling off, and the scanning effect is improved to a certain extent.

Description

technical field [0001] The invention relates to scanning, in particular to a method for preparing and processing glutenite samples for scanning electron microscopy. Background technique [0002] Due to its high resolution, scanning electron microscopy can provide important information on micro-nano-scale rock fabric, pore structure, diagenesis, etc. for oil and gas reservoir samples. [0003] The cemented unconsolidated glutenite samples are poorly prepared due to large debris particles and loose cementation. The specific performance is as follows: ①The sandy conglomerate sample has large particles and loose cementation (greater than 2mm). It is difficult to ensure that the top surface of the sample is flat and the overall shape is a "pyramid" when the sample is prepared. The surface (top surface) is flat. The overall shape of the sample deviates from the "pyramid" that is flat on the top, mainly in that the sides are vertical or concave. When spraying a conductive film, ...

Claims

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Application Information

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IPC IPC(8): G01N1/28
CPCG01N1/2806
Inventor 罗正江王剑邓泳刘金张晓刚尚玲杨召王桂君廖健德周基贤连丽霞刘明
Owner PETROCHINA CO LTD
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