Nondestructive sampling method for rock sample

A non-destructive sampling and rock sample technology, applied in the direction of instruments, analysis materials, material analysis using wave/particle radiation, etc., can solve the problems of geological conditions errors, insufficient representation, incorrect sample selection, etc., to achieve small errors , protection of integrity and high efficiency

Active Publication Date: 2019-03-19
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0003] Due to the limited number of cores, especially the limited number of oil-bearing cores, and the complex mineral composition of rock formations, the test and analysis relying on cores in the later stage are diverse. There will be a large error between the research results based on core samples and the actual geological conditions

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  • Nondestructive sampling method for rock sample
  • Nondestructive sampling method for rock sample
  • Nondestructive sampling method for rock sample

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Embodiment Construction

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments It is a part of the embodiments of the present disclosure, but not all of them. The components of the disclosed embodiments generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0035] Accordingly, the following detailed description of the embodiments of the present disclosure provided in the accompanying drawings is not intended to limit the scope of the claimed disclosure, but merely represents selected embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary sk...

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Abstract

The invention provides a nondestructive sampling method for a rock sample, and relates to the technical field of petroleum geology. The nondestructive sampling method for the rock sample is used for determining a sampling layer on a whole-diameter core and testing and analyzing a selected core sample. The nondestructive sampling method for the rock sample comprises the steps of recognizing and recording a high-oil-content layer on a whole-diameter core, recognizing and recording a target lithologic member on the high-oil-content layer, and determining a sampling layer according to a sampling requirement. By the nondestructive sampling method for the rock sample, mineral components can be recognized rapidly and nondestructively, an oily core is selected out, errors are low, the efficiency is high, and the integrity of the rock sample is protected.

Description

technical field [0001] The present disclosure relates to the technical field of oil and gas geology, in particular to a method for non-destructive sampling of rock samples. Background technique [0002] Drilling core analysis is the most direct method to obtain the characteristics of underground rocks, especially oil-bearing cores, which are important parameters for evaluating rock mineral composition, structure, physical properties, oil content, and oil displacement mechanism. important guiding significance. [0003] Due to the limited number of cores, especially the limited number of oil-bearing cores, and the complex mineral composition of rock formations, the test and analysis relying on cores in the later stage are diverse. There will be a large error between the research results based on core samples and the actual geological conditions. Contents of the invention [0004] The purpose of the present disclosure includes providing a non-destructive sampling method for...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/64G01N23/04
CPCG01N21/6458G01N23/043
Inventor 黄华王芙蓉
Owner CHINA PETROLEUM & CHEM CORP
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