Microseismic data noise suppression method and system, storage medium and seismic information processing equipment

A technology of noise suppression and micro-seismic, applied in seismic signal processing and other directions, to achieve good denoising effect, avoid loss, and superior nonlinear representation ability.

Pending Publication Date: 2022-07-05
NORTHEAST GASOLINEEUM UNIV
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Problems solved by technology

[0004] In order to solve the technical problems mentioned in the background technology: the traditional denoising method is usually based on subjective expert experience guidance when distinguishing

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  • Microseismic data noise suppression method and system, storage medium and seismic information processing equipment
  • Microseismic data noise suppression method and system, storage medium and seismic information processing equipment
  • Microseismic data noise suppression method and system, storage medium and seismic information processing equipment

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Embodiment Construction

[0074] The present invention will be further described below in conjunction with the accompanying drawings:

[0075] In order to make those skilled in the art better understand the technical solutions in the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application.

[0076] figure 1 This is the microseismic noise suppression flow chart in the technical solution of the present invention, and the entire flow chart is completely realized by Python language programming (of course, other programming languages ​​can also be used to realize). according to figure 1 It can be seen that the noise-free data and noise-containing data of the on-site microseismic data should be collected first, and then divided into a training set, a verification set and a test set according to a specific ratio, and the training set d...

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Abstract

The invention discloses a microseismic data noise suppression method and system, a storage medium and seismic information processing equipment, belongs to a microseismic data processing technology, and aims to solve the problems that all noise cannot be eliminated and effective signals are lost in an existing method. According to the technical key points, a detector is used for collecting microseismic data of a target block; dividing the obtained microseismic data into a training set, a verification set and a test set in proportion, inputting the training set data into the time attention mechanism mutual information generative adversarial network model for learning, and outputting a microseismic noise suppression pre-training model; inputting verification set data into the trained model, and verifying model parameters by using a signal-to-noise ratio to obtain an optimal micro-seismic noise suppression model hyper-parameter combination; testing the optimal hyper-parameter combination by using test set data, and obtaining a final micro-seismic noise suppression model; and inputting the field micro-seismic data into the final micro-seismic noise suppression model to obtain de-noised micro-seismic data, thereby realizing noise suppression of the micro-seismic data.

Description

technical field [0001] The invention relates to a noise suppression method and system for microseismic data, a storage medium and seismic information processing equipment, and belongs to the technical field of data processing of microseismic data. Background technique [0002] In recent years, my country's conventional oil and gas exploration potential has gradually decreased, but the demand for oil and gas brought about by the rapid development of the country's industry has continued to increase. By 2020, my country's foreign oil dependence has reached 73.5%. The proven reserves of unconventional oil and gas in my country are about 107.5 billion tons, and the development potential is huge. The development of unconventional oil and gas exploration and development is the only way to ensure my country's energy security. Microseismic monitoring technology is a key technology for evaluating the effect of hydraulic fracturing and obtaining parameters such as the orientation, leng...

Claims

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Application Information

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IPC IPC(8): G01V1/36
CPCG01V1/364
Inventor 董宏丽商柔王闯管闯宋金波申雨轩
Owner NORTHEAST GASOLINEEUM UNIV
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