Multi-node OBS vertical cable earthquake collection system
A technology of acquisition system and vertical cable, applied in the field of multi-node OBS vertical cable seismic acquisition system, can solve the problem of unconventional processing of seismic data, etc.
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[0026] The following further describes the present invention with reference to the accompanying drawings and specific embodiments to facilitate a clearer understanding of the technical ideas claimed by the present invention.
[0027] Such as figure 1 , 2 , 3 shows the multi-node OBS vertical cable seismic acquisition system of the present invention, including a first hydrophone array cable 1, an acquisition station 2, a second hydrophone array cable 3, positioning pontoon 4, floating body 5, acoustic release 6 and The counterweight anchor 7, the first hydrophone array cable 1 and the second hydrophone array cable 3 have a core cross-sectional area of 0.2 square millimeters, the inner conductor of the cable uses 19 / 0.16 tinned round copper wire, and the conductor outer diameter is 1.2 mm, the maximum DC resistance of the conductor is less than or equal to 150Ω / km at 20℃, the insulation resistance between the inner core wire of the cable and the core wire and the shielding wire is...
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