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Conglomerate Strength Determination Method and Device

A technology for strength determination and conglomerate, applied in the field of conglomerate strength determination method and device

Active Publication Date: 2021-08-10
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Studies have shown that even for sandstone with good homogeneity, its rock strength has a size effect, so there are certain limitations in obtaining the compressive strength of conglomerate by means of cores

Method used

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  • Conglomerate Strength Determination Method and Device
  • Conglomerate Strength Determination Method and Device
  • Conglomerate Strength Determination Method and Device

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Embodiment Construction

[0046] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0047] Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art w...

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Abstract

The conglomerate strength determination method and device provided in the present application obtain the physical parameters and mechanical parameters of the core sample, and generate a numerical model of the core sample based on the physical parameters and mechanical parameters. Based on the numerical model, simulated compressive strength tests were carried out on virtual core samples of different diameters to obtain corresponding compressive strengths. And through the preset algorithm to fit the diameter and compressive strength of the virtual core sample to obtain a fitting function reflecting the relationship between the core diameter and compressive strength, and calculate the compressive strength of the test core through the fitting function . In this way, the conglomerate compressive strength is obtained without being limited by the size of the core.

Description

technical field [0001] The present application relates to the field of geology, in particular to a method and device for determining the strength of conglomerate. Background technique [0002] The rock strength of conglomerate reservoirs is an important basic data for the evaluation of conglomerate oil and gas resources, reservoir simulation and engineering design of oil and gas wells. Due to the randomness of the test quantity, average value and selection method, it brings great difficulties to the safe drilling and effective fracturing of conglomerate reservoirs. Therefore, how to apply the discrete intensity data obtained from laboratory physical experiments to engineering practice is worth further research. [0003] The conventional method to obtain the strength of conglomerate is to core the conglomerate reservoir, and then conduct uniaxial compression tests on the obtained core samples to obtain the uniaxial compressive strength of the conglomerate. However, due to th...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/08
CPCG01N3/08G01N2203/021G01N2203/0218
Inventor 梁利喜张文刘向君熊健
Owner SOUTHWEST PETROLEUM UNIV