Analytical method for particle size in conglomerate core particle structure

An analysis method and particle structure technology, applied in the field of particle size analysis in the particle structure of conglomerate cores, can solve problems such as the inability to accurately characterize the particle size characteristics of conglomerate

Active Publication Date: 2013-06-12
东营市大学科技园发展有限责任公司
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AI Technical Summary

Benefits of technology

This technology uses both high resolution images from large samples taken at different locations on Earth' s surface or water flowing through them for research purposes. By analyzing these data with special techniques like computerized tomography (CT) scans, it can help predict how well an underground formation will hold hydrocarbons over time.

Problems solved by technology

This patented technical problem addressed in this patent relates to improving understanding of the behavior of depositional environments such as coal mineral resources and hydrocarbon accumulation from deep sea drilling operations. Current techniques involve studying these structures through various means like X ray tomography imagery, magnetic resonance spectroscopy, nuclear energy decay experiments, crystallographic analysis, microscopics, optical cohesion tomographic analysis, and ultrasonic wave spectral analysis. These techniques have limitations due to their ability to distinguish different types of materials within them without being affected by factors related to the surrounding environmental elements.

Method used

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  • Analytical method for particle size in conglomerate core particle structure
  • Analytical method for particle size in conglomerate core particle structure
  • Analytical method for particle size in conglomerate core particle structure

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Embodiment Construction

[0022] The specific technical scheme of the invention is illustrated by the calculation method of conglomerate grain structure in a certain area of ​​Shengli Oilfield.

[0023] A method for analyzing grain size in a conglomerate core grain structure, the specific steps are as follows:

[0024] (1) For the gravel particles with a diameter greater than 2mm in the conglomerate core, with the help of transparent paper, use the method of manual sketching to fine-tune the core at 1:1, and then use the CorelDRAW X4SP2 drawing software to clear and draw the gravel-level particle image (such as Figure 5 shown), and then use the CorelDRAWX4SP2 image analysis software to obtain the area SAi of each gravel, its equal-area circle diameter Di, and the total core area S, and sum the areas of each gravel to obtain the total area SA of the gravel. Table 1 shows the particle size data table of a conglomerate core gravel particle 1:1 fine tracing analysis.

[0025] The formula for calculating the

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Abstract

The invention relates to the field of oil and gas exploration and development, and provides an analytical method for the particle size in a conglomerate core particle structure. The method combining conglomerate core macroscopic finely described image analysis with representative region microcosmic slice image analysis is adopted. Features of the particle size in the conglomerate core particle structure are accurately acquired, used for analysis of the physic-geographical environment and hydrodynamic conditions during conglomerate deposition, also used for research of original accumulation physical properties of conglomerate reservoirs and evolution laws of accumulation physical properties during a burial process, and then used for giving guidance to oil and gas exploration and development.

Description

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Claims

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Application Information

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Owner 东营市大学科技园发展有限责任公司
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