Reconstruction method and device for ground microseism record

A microseismic and ground technology, applied in seismology, measurement devices, seismic signal processing, etc., can solve the problems of inability to achieve outstanding effective signals and unsatisfactory denoising of microseismic data.

Pending Publication Date: 2020-06-23
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Embodiments of the present invention provide a method and device for reconstructing ground microseismic records, to at least solve the technical problem of unsatisfactory denoising of microseismic data using traditional denoising methods in related technologies, and the inability to highlight effective signals

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  • Reconstruction method and device for ground microseism record
  • Reconstruction method and device for ground microseism record
  • Reconstruction method and device for ground microseism record

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Embodiment 1

[0038] According to an embodiment of the present invention, a method embodiment of a method for reconstructing ground microseismic records is provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be implemented in a computer system such as a set of computer-executable instructions and, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0039] figure 1 is a flowchart of a method for reconstructing ground microseismic records according to an embodiment of the present invention, such as figure 1 As shown, the reconstruction method of the ground microseismic record includes the following steps:

[0040] Step S102, acquiring the microseismic records of the seismic trace.

[0041] Wherein, the microseismic record here is the record of the microseismic signal sent by the microseismic event. In addition, to record ...

Embodiment 2

[0072] According to an embodiment of the present invention, a reconstruction device for ground microseismic records is also provided. It should be noted that the reconstruction device for ground microseismic records in the embodiments of the present invention can be used to perform the reconstruction of the ground microseismic records provided by the embodiments of the present invention. refactoring method. The reconstruction device for ground microseismic records provided by the embodiments of the present invention will be introduced below.

[0073] Figure 6 is a schematic diagram of a reconstruction device for ground microseismic records according to an embodiment of the present invention, such as Figure 6 As shown, the reconstruction device for ground microseismic records includes: a first acquisition unit 61 , a second acquisition unit 63 , a first determination unit 65 and a reconstruction unit 67 . The reconstruction device for the ground microseismic record will be ...

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Abstract

The invention discloses a reconstruction method and device for a ground microseism record. The method comprises the following steps: acquiring a micro-seismic record of a seismic trace; carrying out morphological filtering processing on the microseism record to obtain a microseism record after morphological filtering processing; determining an intrinsic mode signal based on the microseism record after morphological filtering processing; and reconstructing the microseism record according to the intrinsic mode signal. According to the invention, the technical problems of unsatisfactory microseism data denoising by using a traditional denoising mode and incapability of achieving prominent effective signals in related technologies are solved.

Description

technical field [0001] The invention relates to the field of microseismic monitoring, in particular to a reconstruction method and device for ground microseismic records. Background technique [0002] In microseismic data processing, microseismic data denoising is a crucial step in the entire microseismic data processing process. However, for the microseismic data received on the ground, the energy of the effective signal is weak and completely submerged in the noise, and the signal-to-noise ratio of the microseismic section is extremely low. However, the traditional denoising methods often require the data to have a high signal-to-noise ratio, which makes it difficult to obtain ideal denoising effects by using traditional denoising methods. [0003] Aiming at the problem that the traditional denoising method is not ideal for microseismic data denoising by the above-mentioned related technologies, and the effective signal cannot be highlighted, no effective solution has bee...

Claims

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Application Information

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IPC IPC(8): G01V1/36G01V1/28
CPCG01V1/364G01V1/28
Inventor 谢斌芦志伟潘勇段胜男王宁博潘树林楚恒智努尔买买提·吾买尔江陈勇李新
Owner PETROCHINA CO LTD
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