Distributed ocean seismic exploration haulage cable

A seismic exploration, distributed technology, applied in the seismology of areas covered by water, etc., can solve the problem that the tow cable jacket is easy to break or tear, affect the accuracy of the tow cable positioning, and corrode the tow cable electronic components and other issues, to achieve the effect of facilitating packaging design, improving operation timeliness, and close distance

Inactive Publication Date: 2005-09-07
CHINA NAT OFFSHORE OIL CORP +3
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Liquid towlines need to adjust the internal shape and amount of liquid in the towline according to changes in seawater temperature and / or salinity, so that the actual operation often affects the positioning accuracy of the towline, and the jacket of the liquid-filled towline is easy to break or tear causing The filled liquid leaks and corrodes the electronic components in the streamer

Method used

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  • Distributed ocean seismic exploration haulage cable
  • Distributed ocean seismic exploration haulage cable
  • Distributed ocean seismic exploration haulage cable

Examples

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Embodiment Construction

[0017] The solid streamer in this embodiment is a towed marine seismic exploration streamer supported floatingly by soft solid materials contained in the streamer. Each section of the streamer is 100 meters in length, such as figure 1 with figure 2 As shown, the streamer includes an outer protective sheath 10 and a cable 3 arranged inside it, a sensor and a digital package 7 located inside the outer protective sheath, and a soft solid filler 1, and the outer protective sheath 1 is connected with the cable 3, the sensor and the digital package 7. Between the bags 7 are filled with soft solid fillers. The soft solid filler is polyurethane elastomer. The sensor includes a piezoelectric ceramic sensor (an underwater acoustic sensor, or a hydrophone), and a shell of polyurethane material is cast on the outside of the sensor. The cable 3 includes a data transmission line, a power lead, an optical fiber and a protective sheath surrounding the data transmission line, the power lea...

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Abstract

Distributed oceanic earthquake prospecting towrope, it relates to towrope using in geophysical prospecting, especially relates to a towed oceanic earthquake prospecting towrope. It comprise a protecting jacket and cables equipped in it, and sensors and data bags which placed in the protecting jacket, and also soft solid packing full filled between the protecting jacket and the cables, sensors, data bags. The distributed oceanic earthquake-prospecting towrope in the invention is floating supported by the soft solid packing, which is filled in the towrope. It is a solid oceanic earthquake-prospecting towrope; the use of continuous protective covering streamlined the towrope apparatus.

Description

technical field [0001] The invention relates to a cable used in geophysical exploration, in particular to a towed marine seismic exploration cable. Background technique [0002] Marine seismic exploration streamer is one of the important components of marine seismic exploration. For many years, the marine seismic industry has relied on liquid-filled streamers, primarily SERCEL's RDA streamers and I / O's oceanographic streamers. This streamer is mainly used to collect the underwater acoustic signal generated by the earthquake and transmit the data to the recording and processing system on the ship. [0003] Liquid towlines need to adjust the internal shape and amount of liquid in the towline according to changes in seawater temperature and / or salinity, so that the actual operation often affects the positioning accuracy of the towline, and the jacket of the liquid-filled towline is easy to break or tear causing The filled liquid leaks and corrodes the electronic components in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/38
Inventor 朱耀强陈平王子秋董立军唐进李宁生陈国珍
Owner CHINA NAT OFFSHORE OIL CORP
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