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Fracture-cavity type carbonate oil reservoir three-dimensional physical model establishing method

A carbonate reservoir, three-dimensional physical technology, applied in the field of establishment of three-dimensional physical model of fracture-cavity carbonate reservoir, can solve the problem of not being able to reflect the real characteristics of the reservoir, effectively guiding the development of the reservoir, and not being able to reflect the oil Hidden real features and other issues to achieve the effect of satisfying visibility and pressure resistance, easy operation and low cost

Active Publication Date: 2015-05-13
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology

Such models are simplified conceptual models of fractures and holes, which cannot be combined with actual production and cannot reflect the real characteristics of reservoirs
[0005] If there is no physical model that can characterize the complex structural characteristics of fractured-cavity carbonate reservoirs, the physical simulations made cannot reflect the real characteristics of the reservoir, and cannot effectively guide the development of such reservoirs

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  • Fracture-cavity type carbonate oil reservoir three-dimensional physical model establishing method
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  • Fracture-cavity type carbonate oil reservoir three-dimensional physical model establishing method

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Embodiment Construction

[0026] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0028] like figure 1 A...

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Abstract

The invention discloses a fracture-cavity type carbonate oil reservoir three-dimensional physical model establishing method and relates to the technical field of three-dimensional modeling methods for computer mapping. The fracture-cavity type carbonate oil reservoir three-dimensional physical model establishing method mainly comprises the following steps of selecting a three-dimensional earthquake image corresponding to a target region according to three-dimensional earthquake test data and actual production situation, utilizing a Kriging interpolation method to reconstruct a three-dimensional numerical model through a three-dimensional earthquake cross section image, compiling an engraving program to manufacture a three-dimensional physical model and applying a similarity theory to arrange a well position according to the actual situation of an oil reservoir. By means of the fracture-cavity type carbonate oil reservoir three-dimensional physical model establishing method, the fully-three-dimensional large-sized physical model consistent to an actual underground structure and morphology of the oil reservoir and capable of representing fracture-cavity type carbonate oil reservoir complicated characteristics can be obtained.

Description

technical field [0001] The invention relates to the technical field of a 3D modeling method for computer graphics, in particular to a method for establishing a three-dimensional physical model of a fracture-cavity carbonate reservoir. Background technique [0002] Whether the underground fracture-vuggy structure, connection type, and oil-water relationship can be clearly understood is one of the foundations for the efficient development of fractured-vuggy carbonate reservoirs. There are various fluid flow channels such as fractures and karst caves in fractured-cavity carbonate reservoirs, and the fractures and karst caves have large sizes, large scale changes, various shapes and random distribution. As a result, the flow state between oil and water is extremely complex, and there are various flow characteristics such as seepage flow, nonlinear seepage flow, pipe flow, surface flow, convection flow and coupled flow. The law of oil and gas production is also extremely complex...

Claims

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Application Information

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IPC IPC(8): G06T17/00
CPCG06T17/00
Inventor 吴锋李溢龙杨强李晓平张烈辉鲁新便荣元帅李新华李小波
Owner SOUTHWEST PETROLEUM UNIV
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