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Group ocean bottom seismometer and use method thereof

A collection node and combined technology, which is applied in the field of marine exploration, can solve the problems of not disclosing the details of the implementation, and achieve the effects of shortening the development cycle, saving development costs, and upgrading performance

Inactive Publication Date: 2017-06-23
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In the actual industry, the disclosed combined seabed seismic acquisition technology is only a theory or technical conception, and no specific implementation details have been disclosed; such application technology that can be realized is still blank in our country, so independent research and development, forming independent knowledge The seabed exploration equipment of property right is very important

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  • Group ocean bottom seismometer and use method thereof
  • Group ocean bottom seismometer and use method thereof
  • Group ocean bottom seismometer and use method thereof

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Embodiment Construction

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. 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.

[0020] The invention discloses a combined sea bottom seismic acquisition node (Group Ocean Bottom Seismometer, referred to as GOBS), which relates to seismic technology, is used for high-density shallow sea bottom seismic observation and oil and gas exploration, develops combined sea bottom seismic detection equipment, and realizes corresponding Instrument recovery technology and data acquisition provide new technical means for my country's deep-water oil and g...

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Abstract

The invention discloses a group ocean bottom seismometer (GOBS) and a use method thereof. The group ocean bottom seismometer is an ocean bottom seismometer provided with a mooring cable type metal shell. The external structure of the group ocean bottom seismometer includes a pressure resistant cabin, an upper flange and a lower flange and a tether steel cable. A titanium alloy shell is adopted as the cabin of the group ocean bottom seismometer; an end surface O-shaped ring sealing mode is adopted to seal the cabin; a digital collector, a full-angle detector, a network communication module, a GPS, an electronic compass and a combined power source are arranged in the cabin; and a spread spectrum circuit is additionally arranged on the full-angle detector, so that a sensor can be designed. The group ocean bottom seismometer (GOBS) and the use method thereof invention are applied to high-density shallow seabed seismic observation and oil and gas exploration and the development of combined ocean bottom seismic detection equipment. With the group ocean bottom seismometer (GOBS) and the use method thereof adopted, the delivery and recovery technologies and data collection of corresponding instruments can be realized, and new technical means can be provided for deepwater oil and gas exploration in China.

Description

technical field [0001] The invention relates to the field of marine exploration, specifically to the technical field of marine seismic observation and underwater acoustic propagation technology, and in particular to a combined submarine seismic acquisition node and a method for using the same. Background technique [0002] The ocean is rich in mineral resources, not only rich in solid mineral resources such as oceanic manganese nodules and hydrothermal sulfide deposits, but also rich in oil and natural gas. Therefore, offshore oil and gas resources have become the focus of international energy competition. Among a series of core problems faced by marine resource exploration technology, how to improve detection accuracy and reduce ambiguity is the most important, which is the basis for improving drilling success rate and reducing exploration risks. Therefore, vigorously developing marine high-tech exploration technology and geophysical exploration combined seabed seismic acq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/38
CPCG01V1/38G01V1/3852
Inventor 赵春蕾游庆瑜张妍徐锡强许晴
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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