Three-dimensional time-shifting seismic observation method and system
A time-lapse seismic and observation system technology, applied in seismology, geophysical measurement, seismic signal processing, etc., can solve problems such as average gas output, mining duration, shortage, and drastic changes in geological environment
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Embodiment 1
[0026] A stereoscopic time-lapse seismic observation system, such as figure 1 As shown, it includes a data collection device, a data transmission device and a data analysis device. The data collection device is arranged on the seabed, the data transmission device is connected with the data collection device, and the data analysis device is connected with the data transmission device. The data acquisition device includes a seabed seismometer, and the seabed seismometer is uniformly arranged in the reservoir area of the seabed. The data transmission device includes a vertical cable and a horizontal cable, the vertical cable is connected to the horizontal cable, the horizontal cable is connected to the data analysis device, and the bottom of the vertical cable is fixed on the seabed. A plurality of hydrophones are arranged on the vertical cable, and the hydrophones are connected with the seabed seismograph. The vertical cable is connected with the buoy, and the buoy is provide...
Embodiment 2
[0030] A three-dimensional time-lapse seismic observation method, such as figure 2 As shown, it includes the following steps: Excite the seismic source at different positions in the reservoir area at least twice, and collect the vibration data of the seabed through the seabed seismograph; The transmission device transmits to the data analysis device; Carry out forward modeling simulation according to the obtained data.
[0031] Collecting data for forward modeling can effectively explore seabed reservoirs.
Embodiment 3
[0033] A three-dimensional time-lapse seismic observation system, including a data acquisition device, a data transmission device and a data analysis device, the data acquisition device is arranged on the seabed, the data transmission device is connected with the data acquisition device, and the data analysis device Connect with data transmission device.
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