Development of high-precision distributed wireless microseismic acquisition stations
2018
Abstract. 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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