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Method and device for determining superimposed basin tectonic dynamic evolution characteristics

A technology of structural dynamics and superimposed basins, applied in the field of geological exploration, can solve problems such as unproposed solutions, increasing the difficulty of structural dynamics research, and staying

Active Publication Date: 2016-12-07
PETROCHINA CO LTD
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Problems solved by technology

[0006] Second, after compiling the structural evolution section, it is usually necessary to calculate parameters such as the amount of extension (amount of shortening) and the rate of extension (ratio of shortening). Due to inevitable errors and errors of human operation, the geological significance of the absolute parameters obtained is not good. powerful
[0007] Third, in traditional structural research, the determination of dynamic direction is generally based on the perspective of structural deformation, and basically stays at the qualitative level, which is subjective and multi-solutional. At the same time, the dynamic direction of superimposed basins has stages and variability. Factors undoubtedly increase the difficulty of the study of tectonic dynamics
Therefore, it is difficult to quantitatively characterize the dynamical direction and its evolution
[0008] For the above problems, no effective solutions have been proposed so far

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  • Method and device for determining superimposed basin tectonic dynamic evolution characteristics
  • Method and device for determining superimposed basin tectonic dynamic evolution characteristics
  • Method and device for determining superimposed basin tectonic dynamic evolution characteristics

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Embodiment Construction

[0055] 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.

[0056] figure 1 A method for determining the structural dynamic evolution characteristics of superimposed basins provided by the embodiment of this application. Although the processes described below include multiple operations occurring in a particular order, it should be clearly understood that these processes may include more or fewer operations, which may be performed sequentially or in parallel (e.g., using parallel processors or a multi-threaded environment). .

[0057] In this specification, adjectives such as first and second may only be used to distinguish one element or action from ...

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Abstract

The invention provides a method and device for determining superimposed basin tectonic dynamic evolution characteristics. The method comprises the steps that a geological section which is perpendicular to the fault strike of a superimposed basin to be measured is selected as a benchmark geological section; the ratio of expansion and contraction of the benchmark geological section in each period of one or more periods is calculated; N geological sections are obtained through selection; a rose diagram which represents tectonic dynamic evolution characteristics of the superimposed basin to be measured in each period of all the periods is drawn according to the ratio of expansion and contraction of the benchmark geological section in each period of all the periods and ratios of expansion and contraction of the N geological sections in each period of all the periods. According to the method and device for determining superimposed basin tectonic dynamic evolution characteristics, the technical problem that in the prior art, the dynamic direction cannot be qualitatively represented is solved, and the purpose of representing the dynamic direction and evolution thereof in the quantitative aspect is achieved.

Description

technical field [0001] The invention relates to the technical field of geological exploration, in particular to a method and device for determining structural dynamic evolution characteristics of superimposed basins. Background technique [0002] A superimposed basin refers to a basin with a complex structure in which the prototype basin is vertically superimposed sequentially due to different deformations of different structural layers under the complex dynamic mechanism of multi-stage, multi-directional, and multi-scale changes. Basins in each period have their own relatively independent prototypes, and their structural patterns, geometric styles, and deformation methods are different from other periods. The superposition of different periods reflects the evolution process of gradual transformation and superimposition of prototype basins. Therefore, analyzing the dynamic mechanism and evolution history of superimposed basins and restoring the stress state of basins in diff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
CPCG16Z99/00
Inventor 吴林
Owner PETROCHINA CO LTD
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