Marine seismic exploration towline equipment

A seismic exploration and marine technology, applied in the field of offshore oil exploration and marine geological survey, can solve the problems of insufficient imaging of underground geological structures and low resolution of seismic data, and achieve the effect of simple application and reasonable structure

Active Publication Date: 2013-07-24
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, in shallow geological operations, the resolution of seismic data obtained by existing equipment exploration is low, an

Method used

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  • Marine seismic exploration towline equipment
  • Marine seismic exploration towline equipment
  • Marine seismic exploration towline equipment

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Embodiment Construction

[0028] In order to facilitate the description of the present invention, the implementation of the technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] Such as figure 1 , a marine seismic exploration towline device according to an embodiment of the present invention is composed of a deck cable 1 , an acquisition transmission package 2 , a tow cable 3 , a tail attachment 4 , and a current-stabilizing rope 5 .

[0030] Such as figure 2 , The deck cable 1 is composed of a power cord 7, a pair of twisted wires 8, and a sheath 12; In order to ensure the safety of underwater equipment, the inside of the protective layer 11 and the shielding layer 10 of the deck cable 1 can be properly filled with appropriate Kevlar fibers 9, and the Kevlar fibers 9 can withstand a tensile force of 1T, so they can play a very good role. Tensile effect. The sheath 12 is polyurethane el...

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Abstract

The invention discloses marine seismic exploration towline equipment, which comprises a deck cable, a collection and transportation bag, a towing cable, a tail accessory and a current stabilization rope which are connected in sequence, wherein the deck cable is connected with a shipborne system; the collection and transportation bag is provided with a control board card; at least one detector is arranged in the towing cable; and the control board card controls data collected by the detector to be transmitted to the shipborne system. The marine seismic exploration towline equipment disclosed by the invention can be applied to the fields, such as marine seismic exploration, and has the characteristics of high tensile strength, good corrosion resistance and low noise interference, and seismic data with the high resolution ratio can be provided to obtain a clearer underground geologic structure image.

Description

technical field [0001] The invention relates to the technical fields of offshore oil exploration and marine geological survey, in particular to a marine seismic exploration streamer equipment. Background technique [0002] Seismic exploration equipment can be used in well site surveys to find out shallow geological structures and shallow gas distribution, provide risk assessment for drilling platform layout, avoid drilling blowouts, well kicks and other accidents, and provide a basis for safe drilling; it can also be applied to In the field of marine geological survey in my country, it is used to ascertain the seabed topography and landform characteristics of coastal inland shelves, continental slopes and deep-sea basins. [0003] At present, in shallow geological operations, the resolution of seismic data obtained by existing equipment exploration is low, and the imaging of underground geological structures obtained is not clear enough to meet the needs of shallow exploratio...

Claims

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Application Information

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IPC IPC(8): G01V1/38
Inventor 张勇俞健朱耀强谢荣清
Owner CHINA NAT OFFSHORE OIL CORP
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