Search

CN-121996624-A - Distributed seismic data segmentation and extraction device, method and application

CN121996624ACN 121996624 ACN121996624 ACN 121996624ACN-121996624-A

Abstract

The invention provides a distributed seismic data segmentation and extraction device, a distributed seismic data segmentation and extraction method and application, and belongs to the field of seismic exploration. The method comprises the steps of collecting original seismic data by using a plurality of distributed seismic prospecting instruments, storing the original seismic data by taking time as a label, sending a single shot segmentation extraction command to the plurality of distributed seismic prospecting instruments by a data processing center through a narrow-band internet, segmenting and extracting the seismic data by the plurality of distributed seismic prospecting instruments according to the single shot segmentation extraction command, transmitting the segmented and extracted seismic data to the data processing center through a 5G network after receiving the segmentation and extraction command, and synthesizing a shot set file by the data processing center and storing the shot set file. The invention effectively reduces the transmission of invalid seismic data while ensuring the integrity of the seismic data, and reduces the processing requirement of a data processing center, thereby greatly improving the efficiency of seismic data processing.

Inventors

  • LV KAILIANG
  • ZHU XIAOLIN
  • HONG CHENGYU

Assignees

  • 中国石油化工股份有限公司
  • 中石化石油物探技术研究院有限公司

Dates

Publication Date
20260508
Application Date
20241107

Claims (10)

  1. 1. The distributed seismic data segmentation and extraction method is characterized by comprising the following steps of: Step 100, acquiring original seismic data by adopting a plurality of distributed seismic prospecting instruments, and storing the original seismic data by taking time as a label; step 200, a data processing center issues a single shot segmentation extraction command to a plurality of distributed seismic detectors through a narrowband internet, and the plurality of distributed seismic detectors segment and extract seismic data according to the single shot segmentation extraction command; Step 300, after receiving a segmentation extraction ending command, transmitting the segmentation extracted seismic data to a data processing center by a plurality of distributed seismic detectors through a 5G network; step 400, the data processing center synthesizes and stores the shot set file.
  2. 2. The method of claim 1, wherein the data processing center issues a single shot segmentation extraction command to the plurality of distributed seismic detectors via the narrowband internet in step 200, and the specific operations include: the distributed seismic prospecting apparatuses are connected with the data processing center through the narrow-band internet of things of the MESH+star network, and the seismic prospecting apparatuses are in a waiting receiving state at ordinary times; and at the idle moment of non-seismic source excitation, the data processing center sends a single shot segmentation extraction command to the seismic detector in a broadcasting mode and sends the single shot segmentation extraction command three times continuously.
  3. 3. The method of claim 2, wherein the plurality of distributed seismic detectors segment and extract seismic data according to a single shot segment extraction command in step 200, the operations comprising: the seismic prospecting instrument which receives the single shot segmentation and extraction command segments and extracts seismic data according to the single shot segmentation and extraction command according to the sequence, and forms common detection point shot set data according to the size of a set shot set file; when the data processing center sends an ending command in a broadcasting mode, the plurality of distributed seismic detectors end operation.
  4. 4. A method according to claim 3, wherein the step 300, when receiving the end segment extraction command, the plurality of distributed seismic detectors transmit the segment extracted seismic data to the data processing center via the 5G network, and the specific operations include: When a plurality of distributed seismic prospecting instruments receive a segmentation extraction ending command sent by a data processing center, the seismic prospecting instruments sequentially start parallel transmission of generated common-detection-point shot set data from a channel number and a pile number to the data processing center through a 5G network.
  5. 5. The method of claim 4, wherein the plurality of distributed seismic detectors transmit the segment-extracted seismic data to the data processing center via the 5G network after receiving the segment-extraction-ending command in step 300, the operations further comprising: The data processing center identifies, classifies and stores the recovered common-detection-point shot set data, marks unreceived data, counts the seismic prospecting instruments without the recovered data and the seismic prospecting instruments without the recovered data, and forms a report.
  6. 6. The method of claim 5, wherein step 4, the data processing center synthesizes and stores shot gather files, and the specific operations include: When the data processing center recovers data in parallel, the track data corresponding to the current shot point is read according to the sequence from the small offset to the large offset, corresponding task operation is carried out on the track data according to the task information recorded in the meta-information file of the shot point, processed single shot data is obtained, and the processed single shot data is written into a hard disk.
  7. 7. The method of claim 6, wherein the meta-information file of shots is generated by the data processing center based on the shot file and the relationship file.
  8. 8. A distributed seismic data segmentation and extraction apparatus, comprising: The system comprises a data processing center, a plurality of distributed seismic prospecting instruments, a common-detection-point shot set data and a data processing center, wherein the data processing center is used for processing the data of the seismic prospecting instruments, and the data processing center is used for processing the data of the seismic prospecting instruments; the system comprises a data processing center, a plurality of distributed seismic prospecting instruments, a common-detection-point shot set data and a synthetic shot set file, wherein the data processing center is used for issuing a single shot segmentation extraction command and ending the segmentation extraction command to the distributed seismic prospecting instruments in a broadcasting mode through a narrow-band internet, receiving the common-detection-point shot set data transmitted by the distributed seismic prospecting instruments through a 5G network, and synthesizing the shot set file and storing the shot set file.
  9. 9. Use of a distributed seismic data segmentation and extraction method as defined in any one of claims 1 to 7 in seismic data segmentation extraction.
  10. 10. Use of a distributed seismic data segmentation and extraction apparatus as defined in claim 8 in seismic data segmentation extraction.

Description

Distributed seismic data segmentation and extraction device, method and application Technical Field The invention belongs to the field of seismic exploration, and particularly relates to a distributed seismic data segmentation and extraction device, a method and application. Background The seismic exploration is one of the main methods adopted by geophysical exploration, and in the seismic exploration process, the seismic raw data acquired by a seismic exploration instrument are required to be recovered for seismic data processing. The seismic data processing is to process and reform the original data obtained by the field seismic exploration by utilizing a digital computer so as to obtain high-quality and reliable seismic information, and provide visual and reliable basis and related geological information for the next data interpretation. Basically, a seismic data acquisition processing system consists of a seismic data processing center, a high performance computer, a storage medium, a data recovery device, a data transmission communication link, and a seismic prospecting instrument. The earthquake data processing center is connected with the original data recovery device through the data transmission communication link, under the operation control of the earthquake data processing center, the earthquake data recovery equipment recovers the original data collected by each earthquake prospecting instrument through the wired network, and then the original data is transmitted to the earthquake data processing center through the data transmission communication link and stored in the storage medium. After receiving all the seismic data, the seismic data processing center searches the seismic data corresponding to the seismic source (shot point) acquired by each seismic data acquisition station in the whole storage medium by taking the seismic source (shot point) as a basic unit, takes out and carries out seismic data segmentation processing, and carries out data segmentation on the seismic data acquired by each seismic data acquisition station corresponding to each seismic source by taking a channel as a unit, wherein the segmentation mode comprises shot set segmentation and channel set segmentation, and the segmentation is carried out to form the seismic data in a standard SEG format after the segmentation is finished, and the seismic data is stored as data for geological exploration analysis. With the continuous upgrading of microprocessors and the great progress of the internet of things technology and the 5G communication technology, a new generation of seismic prospecting instruments can establish a distributed network so as to utilize the computing power of the seismic prospecting instruments. Accordingly, an apparatus and method for distributed seismic data segmentation and extraction is provided for improving processing efficiency. Disclosure of Invention The invention aims to solve the problems in the prior art and provides a distributed seismic data segmentation and extraction device, a distributed seismic data segmentation and extraction method and application, and the processing efficiency of seismic data is improved. The invention is realized by the following technical scheme: In a first aspect of the present invention, a distributed seismic data segmentation and extraction method is provided, comprising the steps of: Step 100, acquiring original seismic data by adopting a plurality of distributed seismic prospecting instruments, and storing the original seismic data by taking time as a label; step 200, a data processing center issues a single shot segmentation extraction command to a plurality of distributed seismic detectors through a narrowband internet, and the plurality of distributed seismic detectors segment and extract seismic data according to the single shot segmentation extraction command; Step 300, after receiving a segmentation extraction ending command, transmitting the segmentation extracted seismic data to a data processing center by a plurality of distributed seismic detectors through a 5G network; step 400, the data processing center synthesizes and stores the shot set file. The invention further improves that: In step 200, the data processing center issues a single shot segmentation extraction command to a plurality of distributed seismic detectors through a narrowband internet, and the specific operations include: the distributed seismic prospecting apparatuses are connected with the data processing center through the narrow-band internet of things of the MESH+star network, and the seismic prospecting apparatuses are in a waiting receiving state at ordinary times; and at the idle moment of non-seismic source excitation, the data processing center sends a single shot segmentation extraction command to the seismic detector in a broadcasting mode and sends the single shot segmentation extraction command three times continuously. The invention further improves that: In step 200, t