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Detection method of data collected by seismic exploration

A technology for collecting data and seismic exploration, applied in the field of seismic exploration, can solve the problem of low efficiency of seismic exploration data acquisition, and achieve the effect of low efficiency

Active Publication Date: 2018-08-03
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a detection method for seismic exploration acquisition data to solve the technical problem of low efficiency in the detection of existing seismic exploration acquisition data

Method used

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  • Detection method of data collected by seismic exploration
  • Detection method of data collected by seismic exploration
  • Detection method of data collected by seismic exploration

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Embodiment 1

[0037] The embodiment of the present invention provides a detection method for seismic exploration acquisition data, which can be applied in the field of acquisition and processing of seismic data in geophysical exploration, and involves the quality control and data processing of seismic data acquisition, and can be specifically applied to oil and gas seismic exploration and very Quality control and data processing of data acquisition for conventional seismic surveys.

[0038] Such as figure 1 As shown, the detection method of seismic exploration acquisition data provided by the embodiment of the present invention includes the following steps:

[0039] S1: Preprocessing.

[0040] Specifically, it includes inputting raw seismic data and defining spatial attributes and other preprocessing work.

[0041] S2: Sorting shot data into co-detection point domain data.

[0042] Specifically, according to the spatial attributes defined in step S1, the shot data is sorted into common d...

Embodiment 2

[0062] This embodiment is an example of actual operation using the detection method for seismic survey acquisition data provided by the above embodiments. Such as image 3 and Figure 4 As shown in the dotted line box in the middle, using the detection method provided by Embodiment 1 of the present invention, in the quality control display of the original data common receiver point gather, the "lazy track" and "empty track" data can be detected efficiently and accurately.

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Abstract

The invention discloses a seismic exploration acquisition data detection method, which belongs to the technical field of seismic exploration. The technical problem of low efficiency of existing seismic exploration acquisition data detection is solved. The seismic exploration acquisition data detection method comprises the steps that shot data are sorted into common detection point region data; in a common detection point way gather, root mean square amplitude is calculated way by way; the root mean square amplitude of the common detection point way gather is calculated; data energy quantitative calculation is carried out on the common detection point way gather; and the data energy of the common detection point way gather is determined according to preset conditions to determine whether the common detection point way gather is valid data or not. The seismic exploration acquisition data detection method provided by the invention can be applied to quality control and data processing of data acquisition of oil and gas seismic exploration and unconventional seismic exploration.

Description

technical field [0001] The invention relates to the technical field of seismic exploration, in particular to a detection method for data collected by seismic exploration. Background technique [0002] With the gradual development of seismic exploration in the direction of wide azimuth, broadband, and high-density acquisition, the number of seismic acquisition acquisitions is also increasing. Sometimes the number of channels received by seismic exploration acquisition can reach tens of thousands, and sometimes in a 3D work area, several construction teams will collect seismic exploration data together at the same time, and the number of channels received at the same time will be more, and the amount of data will increase. will get bigger and bigger. On the other hand, the speed of seismic exploration and acquisition construction is getting faster and faster. During the acquisition construction, it is necessary to receive and embed tens of millions of geophones in advance. I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/30
Inventor 裴云龙陶纪霞熊艳梅邬达理蒋波杨楠徐春梅
Owner CHINA PETROLEUM & CHEM CORP