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Offshore seismic detection system

A detection system and seismic source technology, applied in the field of geophysical exploration, can solve the problems of low detection accuracy, the inability to adjust the spatial position of the seismic source and signal acquisition cable, etc., and achieve the effect of improving detection accuracy

Inactive Publication Date: 2019-01-01
THE FIRST INST OF OCEANOGRAPHY SOA +1
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Problems solved by technology

[0004] The purpose of the present invention is to provide a marine seismic detection system to solve the problems of the traditional marine seismic detection method that the spatial position of the seismic source and the signal acquisition cable cannot be adjusted and the detection accuracy is low

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] The object of the present invention is to provide a marine seismic detection system capable of real-time relative adjustment of the spatial positions of the seismic source and the signal acquisition cable to improve detection accuracy.

[0025] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawin...

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Abstract

The invention discloses an offshore seismic detection system. The detection system comprises a mother ship, an unmanned ship and a wireless communication module. A host, a seismic focus controller anda mother ship positioning module are arranged in the mother ship. The host is connected to the seismic focus controller and the mother ship positioning module. The seismic focus controller is connected to an underwater launching head through a gun cable. The underwater launching head is arranged in water and is located at the stern of the mother ship A power control device, a signal acquisition storage device and an unmanned ship positioning module are arranged in the unmanned ship. The power control device, the signal acquisition storage device and the unmanned ship positioning module carryout information interaction with the host through the wireless communication module. The signal acquisition storage device is connected to a signal acquisition cable through a signal transmission cable. The signal acquisition cable is arranged in the water and is located at the stern of the unmanned ship. By using the detection system, the relative adjustment of a spatial position can be performedon a seismic focus and the signal acquisition cable in real time and detection precision is increased.

Description

technical field [0001] The invention relates to the technical field of geophysical exploration, in particular to a marine seismic detection system. Background technique [0002] Conventional marine seismic exploration usually fixes the source and the signal acquisition cable at the stern of the same ship and pulls them in the seawater, uses the source to excite seismic waves, receives the seismic acoustic wave signal reflected by the seabed strata through the signal acquisition cable, and analyzes the acquired data. A method for analyzing and judging the condition of the seabed target formation by calculation and drawing. [0003] However, the conventional marine seismic detection method is limited by the physical platform of a single ship, and it cannot effectively adjust the relative spatial position of the seismic source and the signal acquisition cable in real time, resulting in low quality of the received acoustic data, resulting in poor detection resolution of the targ...

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Application Information

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IPC IPC(8): G01V1/38
CPCG01V1/38
Inventor 吕彬裴彦良刘保华张连成黄逸凡连艳红刘亚楠
Owner THE FIRST INST OF OCEANOGRAPHY SOA
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