Abnormal seismic trace automatic discriminating method and device

A seismic trace and anomalous ground technology, applied in seismic signal processing, etc., can solve the problems of slow computing speed, complicated computing process, and low quality control efficiency, and achieve the effect of simple method and high computing efficiency

Active Publication Date: 2016-07-20
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

[0003] At present, in the field of seismic data quality monitoring, a variety of automatic identification methods for abnormal seismic traces such as maximum amplitude anomaly, average amplitude anomaly, and single-frequency interference have been formed. Low

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  • Abnormal seismic trace automatic discriminating method and device
  • Abnormal seismic trace automatic discriminating method and device
  • Abnormal seismic trace automatic discriminating method and device

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Embodiment Construction

[0054] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0055] The specific implementation manners of the embodiments of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0056] The first embodiment of a method for automatic identification of abnormal seismic traces of the present application will be introduced below. combined w...

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Abstract

The present invention relates to the seismic data quality monitoring field, in particular to an abnormal seismic trace automatic discriminating method and device. The method comprises the steps of obtaining the sampling point truth-value of a seismic trace; dividing the seismic trace into the time window data which is continuous and has the equal width from the zero hour, and according to the sampling point truth value, calculating the zero-crossing times of each time window data; summing the zero-crossing times of each time window data to obtain the total zero-crossing times of the seismic trace; comparing the total zero-crossing times with a first preset value; when the total zero-crossing times is less than the first preset value, determining that the seismic trace is an abnormal seismic trace of a dead trace type. According to the embodiment of the present invention, according to the total zero-crossing times characteristic of the abnormal seismic trace of the dead trace type, by just gathering and comparing the zero-crossing times simply during the discrimination process, and being compared with the prior art, the method of the embodiment of the present invention is simple, is high in operation efficiency, and satisfies the demand of the mass seismic data quality control.

Description

technical field [0001] The invention relates to the field of seismic data quality monitoring, in particular to a method and device for automatic identification of abnormal seismic traces. Background technique [0002] In the process of field seismic acquisition and exploration, due to the influence of surrounding environmental conditions or its own equipment, abnormal seismic traces appear in the collected seismic data, which seriously affects the appearance and quality of seismic records, and also affects the normality of seismic data. Handling and handling quality. In order to ensure the quality of seismic records, it is necessary to detect and rectify various abnormal seismic traces in time. In the past construction, the traditional method is to judge the abnormal seismic traces in the seismic data by human eyes, but this method will not only increase the labor intensity of the quality control personnel, but also may cause misjudgment due to experience and other reasons;...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/28
CPCG01V1/28
Inventor 王建锋王梅生张坤孙哲王秋成雷云山
Owner BC P INC CHINA NAT PETROLEUM CORP
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