Laying and recovery device and method for geophysical survey vessel seismic cable with A-shaped frame

A technology of seismic cable and recovery device, applied in the field of seismic cable deployment and recovery device for geophysical exploration ship with A-frame

Active Publication Date: 2020-10-30
QINGDAO INST OF MARINE GEOLOGY +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to overcome the above-mentioned defects existing in the prior art, and proposes a seismic cable laying and recovery device and method for a geophysical survey ship with an A-frame, which solves the problem of interference between seismic cable laying and

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  • Laying and recovery device and method for geophysical survey vessel seismic cable with A-shaped frame
  • Laying and recovery device and method for geophysical survey vessel seismic cable with A-shaped frame
  • Laying and recovery device and method for geophysical survey vessel seismic cable with A-shaped frame

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Embodiment Construction

[0049] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the present invention is not limited to the specific embodiments disclosed below.

[0051] Such as figure 1 As shown, the seismic cable laying recovery device and the A-frame 1 of the present invention are located in the large opening at the stern of the ship, and the device is located in front of the A-frame 1. Including cable lifting point bearing mechanism, movable st...

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Abstract

The invention relates to the field of comprehensive geophysical survey vessel seismic survey operations, in particular to a laying and recovery device and a method for a geophysical survey vessel seismic cable with an A-shaped frame. The device comprises a cable hanging point bearing mechanism, a mobile gangway bridge mechanism and a movable wind and rain shielding mechanism, wherein the cable hanging point bearing mechanism and movable wind and rain shielding mechanism are arranged on an exposed deck, the mobile gangway bridge mechanism is arranged on a seismic cable deck, and the cable hanging point bearing mechanism and the movable wind and rain shielding mechanism are located above the mobile gangway bridge mechanism. According to the invention, the problem of interference between seismic cable laying and recovery and the A-shaped frame is solved, so that the geophysical survey vessel loaded with a large A-shaped frame is capable of laying and recovering the seismic cable in the middle of a stern, and the foundation for the geophysical survey vessel to realize the two functions of seismic survey and geological sampling survey is laid.

Description

technical field [0001] The invention relates to the field of seismic survey operations of a comprehensive geophysical exploration ship, in particular to a device and method for laying and recovering seismic cables of a geophysical exploration ship with an A-frame. Background technique [0002] The geophysical exploration ship ("geophysical exploration ship" for short) is a survey ship mainly for geophysical surveys. Multi-channel seismic surveys are commonly used in geophysical surveys. Seismic waves are emitted to the seabed through seismic sources (mainly air guns) The receiver (seismic cable) can receive signals, which can be used for the study of seabed geological structure and the exploration of seabed oil and gas resources. Submarine geological sampling survey is a survey method for studying the shallow surface geology of the seabed, often using large A-frame systems and various geological sampling equipment as the main means. [0003] The multi-channel seismic survey...

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Application Information

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IPC IPC(8): B65H75/42B65H75/44
CPCB65H75/425B65H75/44B65H75/4457B65H2701/34
Inventor 张世阳郭彬王威徐华源于得水尉佳杨慧良杨源
Owner QINGDAO INST OF MARINE GEOLOGY
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