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Genetic algorithm-based residual static correction calculating method

A genetic algorithm and static correction technology, applied in the field of seismic exploration data processing, can solve problems such as restricting popularization and application, and achieve the effect of reducing uncontrollability and improving profile quality.

Active Publication Date: 2016-05-25
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the actual performance of the conventional genetic algorithm for obtaining residual statics is affected by control parameters (such as population number, population size, mutation probability, etc.). Application of the technology in production

Method used

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  • Genetic algorithm-based residual static correction calculating method
  • Genetic algorithm-based residual static correction calculating method
  • Genetic algorithm-based residual static correction calculating method

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Embodiment Construction

[0019] The method for obtaining the remaining static correction amount based on the genetic algorithm of the present invention will be described in detail below in conjunction with exemplary embodiments.

[0020] Generally speaking, the method for calculating the remaining static correction based on the genetic algorithm of the present invention can automatically determine the optimal population size, population algebra, and mutation probability of the genetic algorithm, and calculate the remaining static correction based on this.

[0021] In an exemplary embodiment of the present invention, the method for obtaining the remaining static correction amount based on the genetic algorithm of the present invention can be realized through the following steps:

[0022] (1) Read in the seismic data to obtain the maximum allowable time shift information.

[0023] (2) Adaptively determine the population size and population algebra of the static correction genetic algorithm.

[0024] (3...

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Abstract

The invention provides a genetic algorithm-based residual static correction calculating method. According to the method, the size of a population, the generation of the population and the variation rates of individuals are calculated with allowed maximum time shift quantity, and therefore, residual static correction quantity can be calculated automatically, quickly and efficiently, and the improvement of the section quality of subsequent processing can be benefitted.

Description

technical field [0001] The invention relates to a method for obtaining residual static correction based on a genetic algorithm. The method can automatically and scientifically determine the calculation parameters of the genetic algorithm. It is applied to petroleum seismic exploration and belongs to the field of seismic exploration data processing. It is a method for obtaining accurate high-frequency static correction. Efficient way to correct volume. Background technique [0002] my country's annual dependence on foreign oil and natural gas is extremely high, and more than half of my country's remaining oil and gas resources are concentrated in complex mountainous structures. It is imminent to discover and prove oil and gas resources in complex mountainous structures in time. The seismic surface conditions in these areas are complex, and the problem of static correction is serious, resulting in multiple coverage of the same reflection point due to the delay time difference ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N3/12G06N3/00
CPCG06N3/006G06N3/126
Inventor 周强张晓斌何光明陈爱萍刘鸿曹琳昱
Owner BC P INC CHINA NAT PETROLEUM CORP
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