Controllable fracture parameter physical model and manufacturing method thereof

A technology of physical model and production method, applied in the field of geological research, which can solve problems such as accuracy and applicability verification

Inactive Publication Date: 2013-01-30
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

[0008] However, at present, Hudson's theory is only a theoretical model research, a

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  • Controllable fracture parameter physical model and manufacturing method thereof
  • Controllable fracture parameter physical model and manufacturing method thereof
  • Controllable fracture parameter physical model and manufacturing method thereof

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0026] The controllable fracture parameter physical model made by the inventor is based on the Hudson fracture model theory. In this theory, fracture media can be divided into inclusions and enclosures. Among them, the cracks are regarded as inclusions, and the enclosure is the background isotropic medium. In addition, the directional arrangement of fractures is required to be much smaller than the seismic wavelength, and the physical modulus of the fractured medium is required to be smaller than that of the surrounding medium. The fractures are separated from each other, there is no fluid fl...

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Abstract

The invention provides a controllable fracture parameter physical model and a manufacturing method thereof. The controllable fracture parameter physical model comprises a plurality of fracture fillers and a plurality of background medium layers, wherein the fracture fillers are of wafer structures; the fracture fillers are embedded in the background medium layers in a dispersed manner; the background medium layers are of plane structures; and the background medium layers embedded with the fracture fillers are arranged in an overlapped manner so as to form the physical model. According to the physical model, the fracture fillers are embedded in each layer of background medium layer uniformly, and the background medium layers embedded with the fracture fillers are arranged in an overlapped manner so as to form the physical model. The physical model is designed according to a Hudson fracture model theory, so that the geological stratification structure described in the Hudson fracture model theory can be well simulated, so as to lay a foundation for verifying the Hudson fracture model theory through the physical test.

Description

technical field [0001] The invention relates to the technical field of geological research, in particular to a controllable fracture parameter physical model and a manufacturing method thereof. Background technique [0002] In the actual underground medium, due to the different shapes and uneven distribution of fractures, there is no method to accurately calculate the elastic tensor of the fractured medium. The equivalent medium theory can simplify the analysis of seismic anisotropy caused by fractures, and is still the mainstream method for studying fractured media. Among them, the Hudson theoretical model is widely used. There are many assumptions in his theory. First, the scale of directional sparse fractures is much smaller than the wavelength of seismic waves. Secondly, the fractures are not connected, there is no fluid flow between the fractures, and the shape is a thin oblate spheroid. Finally, the physical modulus of substances such as gas or liquid contained in t...

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Application Information

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IPC IPC(8): G09B23/06
Inventor 狄帮让魏建新
Owner BC P INC CHINA NAT PETROLEUM CORP
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