OBS Ocean Bottom Seismometer

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Seismometer

Ocean bottom seismometer (OBS) is a kind of seismic observation system that place geophone directly at sea bottom. In marine geophysical investigation and research, OBS can be used to observe both artificial and natural seismic profile. The observation results can be used to study the velocity structure of marine earth crust and mantle and kinetic characteristics of subduction zone, trench and trough evolution. The results can also be used to study the seismic tomography of natural earthquakes, seismicity and earthquake prediction etc.OBS are also widely used in oil exploration and investigation of deep structure of the earth etc.

Features
Parameters

1、There are three types of OBS: broadband, short-term and portable, to meet various operation requirements.

2、OBS can collect 3 channels of seismic signal and 1 channels of hydraulic signal, with great resolution and consistency.

3、There are three operation depths optional: 6000m, 9000m and 12000m.

4、There are multiple frequency bandwidths available: 4.5Hz~300Hz, 1Hz~200Hz, 5s~150Hz, 10sHz~150Hz, 30s~150Hz, 60s~100Hz, 120s~50Hz etc.

5、According to different operation requirements, continuous operation duration can be 2~15 months and maximum retrieve period can be 6~24 months.