Wireless network-based micro-seismic fracturing real-time monitoring system and monitoring method

A real-time monitoring system, wireless network technology, applied in seismic survey, seismology, seismic signal processing, etc., can solve the problems of short wireless transmission distance, slow data download speed, etc., to improve acquisition accuracy and reduce costs, reliable real-time Monitoring the effect of fracturing status

Inactive Publication Date: 2017-08-04
JILIN UNIV
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Problems solved by technology

While reducing the cost, the invention effectively solves the problems of short wireless transmission distance and slow data download speed, and improves the collection accuracy and system stability. In the state where the system does not communicate, the total power consumption of the collection station Reduced to 1.2W

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  • Wireless network-based micro-seismic fracturing real-time monitoring system and monitoring method

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Embodiment Construction

[0034] The invention provides a real-time monitoring system and monitoring method for microseismic fracturing based on a wireless network. In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings of the specification.

[0035] Such as figure 1 As shown, the real-time microseismic fracturing monitoring system includes four parts: the main control station (server), the wireless microseismic data acquisition station, the on-site handheld inspection terminal and the wireless AP. The master control station is first connected to the master AP by wire, and then the master AP is connected to each slave AP by wireless, and then the wireless micro-seismic data collection station on each side line preferentially selects the slave AP closer to itself for wireless connection, and finally forms a complete Data collection and recovery system. Among ...

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Abstract

The present invention relates to a real-time monitoring system and monitoring method for microseismic fracturing based on a wireless network, which is mainly composed of a server, a wireless microseismic data collection station, an on-site hand-held inspection terminal and a wireless AP, and the systems are interconnected through WIFI, using UDP and FTP protocol to communicate. The collection station adopts STM32F207 processor as the main control unit, and 32-bit ADS1282 as the data collection unit, which not only improves the data collection accuracy, but also reduces the power consumption and cost of the collection station; the network structure adopts the master-slave AP topology, And it forms a complete fracturing monitoring system with the server and each collection station, which effectively solves the problems of short wireless transmission distance and slow data download speed. The handheld terminal and the collection station adopt low-power bluetooth communication method for data interaction, realizing data transmission in the form of data stream. The system integrates the advantages of each part, which can not only ensure strict synchronous data collection, but also monitor the fracturing status reliably in real time, and also has high engineering application value.

Description

Technical field [0001] The invention belongs to the technical field of microseismic fracturing monitoring in geophysical prospecting, and particularly relates to a wireless network-based real-time monitoring system and monitoring method for microseismic fracturing. Background technique [0002] Microseismic fracturing monitoring technology is an important new technology in the field of fracturing reformation of low-permeability oil and gas reservoirs in recent years. This technology detects the microseismic waves induced by the fractured well during the fracturing process by arranging geophones on the ground within a few kilometers of the wellhead, and uses it to describe the geometric shape and spatial distribution of fracture growth during the fracturing process. It can provide the height, length and azimuth angle of the fractures generated by fracturing construction in real time. Using this information can optimize the fracturing design, optimize the well pattern or other oilf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/00G01V1/28G01V1/22
CPCG01V1/008G01V1/223G01V1/288
Inventor 陈祖斌赵发王金磊张林行孙锋宋杨
Owner JILIN UNIV
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