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An image representation method of fracture activity

A characterization and image technology, applied in the field of geological exploration, can solve problems such as unsatisfactory characterization results of fault activity intensity

Active Publication Date: 2019-04-30
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0015] In summary, in the prior art, the characterization results of the fracture activity intensity are not ideal

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  • An image representation method of fracture activity
  • An image representation method of fracture activity
  • An image representation method of fracture activity

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[0038] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so that implementers of the present invention can fully understand how the present invention uses technical means to solve technical problems, and achieve the realization process of technical effects and according to the above-mentioned realization process The present invention is implemented concretely. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0039] In order to characterize the fracture activity more concretely and intuitively, the present invention proposes an image representation method of the fracture activity. Next, the execution process of the method of the present invention will be specifically described ...

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Abstract

The invention discloses an image representation method for a fracture activity, and the method comprises the following steps: obtaining fracture activity intensities of different statistical points of a to-be-analyzed fracture in a moving direction in one or more tectonic epochs; respectively calculating and obtaining the positions of different statistical points in the moving direction of the to-be-analyzed fracture; generating fracture activity intensity diagrams corresponding to the tectonic epochs based on the fracture activity intensities and the positions. Compared with the prior art, the method can represent the specific conditions of fracture activity intensities more specifically and visually. Meanwhile, the method employs a mode quantitative representation, and enables a representation result to accord with the actual geological conditions.

Description

technical field [0001] The invention relates to the field of geological exploration, in particular to an image representation method of fault activity. Background technique [0002] The process of fault activity in sedimentary basins is closely related to oil and gas migration and accumulation. Oil and gas often flow into traps through faults, and will also damage oil and gas reservoirs in subsequent activities. Therefore, displaying the activity intensity of faults in stages is particularly important for analyzing the sealing effect of faults on oil and gas. So far, there are mainly two technical methods for characterizing the activity intensity of faults. [0003] One: Fracture growth index (Growth index) method [0004] C.E.Thorsen (1963) defined the fault growth index as the ratio of the thickness of the descending wall to the thickness of the rising wall of the same stratigraphic unit on both sides of the fault. He believes that comparing the growth index of faults in...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V8/02
Inventor 李京昌
Owner CHINA PETROLEUM & CHEM CORP