Development of high-precision distributed wireless microseismic acquisition stations

Qiao, Shuaiqing; Duan, Hongmei; Zhang, Qisheng; Zhang, Qimao; Li, Shuhan; Liu, Shenghui; Liu, Shiyang; Wang, Yongqing; Yan, Shichu; Li, Wenhao; Guo, Feng

In recent years, owing to the shortage of oil and gas resources and increasing difficulty in mining, traditional (wired) microseismic monitoring equipment has been unable to meet the needs of energy exploitation. Therefore, it is necessary to develop new high-precision seismic exploration and data acquisition systems. In this study, we combined advanced acquisition systems with wireless technology to develop a new wireless microseismic acquisition system. The hardware circuit of the acquisition system mainly includes a data acquisition board and a main control board. High-precision analog-to-digital conversion and digital filtering technologies are used to provide data with high signal-to-noise ratios, resolution, and fidelity to the acquisition stations. Key technologies were integrated into the ARM (Advanced RISC Machines) of the main control board: reliable GPS technology was employed to realize synchronous acquisitions among various acquisition stations, and WIFI technology was used to achieve wireless data communication between acquisition stations and the central station, thus improving the data transmission speed and accuracy. After conducting a series of evaluation tests, it was found that the system was stable, convenient to use, and had high data accuracy, therefore providing significant support for the solution to problems encountered in current oil and gas exploration processes, such as the complicated environment and inconvenient construction.

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Qiao, Shuaiqing / Duan, Hongmei / Zhang, Qisheng / et al: Development of high-precision distributed wireless microseismic acquisition stations. 2018. Copernicus Publications.

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