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Composition for preparing earthquake physical model, earthquake physical model and preparation and construction method

A technology of seismic physics and composition, applied in the field of geophysical exploration, to achieve the effect of good penetration and easy laser reception

Active Publication Date: 2021-03-05
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It overcomes the shortcomings that the existing modeling materials cannot be directly used for laser reflection and reception. After the model is made with the new simulation material, it is not necessary to use the film method to receive the ultrasonic reflection of the laser reflection after the laser receives the ultrasonic reflection, which is used for geophysical simulation. Experimental Laser Ultrasonic Reception Test

Method used

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  • Composition for preparing earthquake physical model, earthquake physical model and preparation and construction method
  • Composition for preparing earthquake physical model, earthquake physical model and preparation and construction method
  • Composition for preparing earthquake physical model, earthquake physical model and preparation and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The second layer of the physical model of an area: the simulation velocity design of the reservoir target layer Vp=2000m / s, Vs=1000m / s

[0043]

[0044] The above is calculated in parts by weight.

Embodiment 2

[0046] The second layer of the physical model of an area: the simulation velocity design of reservoir target layer Vp=2600m / s, Vs=1400m / s

[0047]

[0048] The above is calculated in parts by weight.

Embodiment 3

[0050] The second layer of the physical model of an area: the simulation velocity design of the reservoir target layer Vp=3000m / s, Vs=1700m / s

[0051]

[0052] The above is calculated in parts by weight.

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Abstract

The invention belongs to the field of earthquake physical models, and particularly relates to a geophysical earthquake model. The model is mainly made of epoxy resin, silica gel, reflective powder andother compositions, the reflective powder is proportionally mixed according to different mesh numbers, the longitudinal and transverse wave speed of a model material is controlled by changing the contents of the components, the longitudinal wave speed can be controlled to be gradually changed between 2000m / s and 4000m / s, and the transverse wave speed can be controlled to be gradually changed between 1000m / s and 2000m / s. The model manufactured by adopting a geophysical earthquake model composition and a manufacturing method has good penetrability and good laser receiving reflectivity under theexcitation of ultrasonic waves, good seismic wave reflection data can be obtained when the model is applied to physical simulation tests, and a new method is provided for research of seismic geologicbodies and laser ultrasonic propagation.

Description

technical field [0001] The invention relates to the field of geophysical exploration, in particular to a reservoir model composition and a method for preparing the model for geophysical exploration simulation seismic acquisition. Background technique [0002] Earthquake physical simulation is to use ultrasonic waves to simulate field seismic waves in the laboratory, and to excite and receive signals through ultrasonic transducers. It is an effective means to study the laws of seismic wave propagation. Physical models that conform to actual geological structures or different reservoir types are made in the laboratory. To study the kinematics and dynamics characteristics of seismic waves in complex structures and complex reservoirs, the materials for making physical models must have certain geological characteristics. Now major institutions and universities mainly use epoxy resin and silicone rubber to synthesize seismic physical models Material, by changing the ratio of epoxy...

Claims

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Application Information

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IPC IPC(8): C08L83/04C08L63/00C08K7/20G09B23/40
CPCC08L83/04C08L63/00C08K7/20G09B23/40C08K2201/014
Inventor 王辉明
Owner CHINA PETROLEUM & CHEM CORP