Cable subsurface buoy real-time internal wave monitoring device installed on ocean platform

A technology for monitoring devices and offshore platforms, which is applied to measuring devices, testing of machines/structural components, and measuring ultrasonic/sonic/infrasonic waves. Safety and real-time improvement effects

Inactive Publication Date: 2012-01-04
CHINA NAT OFFSHORE OIL CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the lifting process of the measurement platform takes time, the system cannot realize the simultaneous measurement of the vertical distribution of the internal wave, and the power supply is also one of the main factors restricting the long-term continuous use of the system

Method used

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  • Cable subsurface buoy real-time internal wave monitoring device installed on ocean platform
  • Cable subsurface buoy real-time internal wave monitoring device installed on ocean platform
  • Cable subsurface buoy real-time internal wave monitoring device installed on ocean platform

Examples

Experimental program
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Effect test

Embodiment 1

[0018] Embodiment 1, internal wave measuring device

[0019] The internal wave measurement device of the present invention comprises a power supply 3, an industrial computer 4, a customized cable 5 and 9 internal wave measurement probes; each internal wave measurement probe is composed of a temperature, salt and depth instrument (CTD) 9 and a current needle 10; 9 The CTD9 and nine current needles 10 are fixed on the custom cable 5 through clips 11, and the nine internal wave measurement probes are evenly distributed on the custom cable 5; the custom cable 5 is fixed on the steel cable 6, and the end of the steel cable 6 passes through the guide The pulley 8 is connected to the winch 2, and the winch 8 is set on the deck 1 of the offshore platform; the customized cable 5 is fixed on the deck 1 of the offshore platform through the cable slanting cable 7, and the cable slanting cable 7 is connected to the cable 6 through the cable The ring 15 is connected; the customized cable 5 ...

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PUM

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Abstract

The invention discloses a cable subsurface buoy real-time internal wave monitoring device. The device comprises a power supply, an industrial personal computer, a steel cable, a customized cable and a plurality of internal wave measurement probes, wherein the plurality of internal wave measurement probes are all composed of conductivity temperature depth systems and current needles, the customized cable is connected with the power supply and the industrial personal computer respectively, the plurality of internal wave measurement devices are arranged on the customized cable, and spaces are kept among the plurality of internal wave measurement devices, the customized cable is fixed on the steel cable, one end of the steel cable is fixed on a deck of a ocean platform and the other end is movably connected with a weight, and the customized cable is fixed on the deck of the ocean platform by an inclined steel cable. According to the invention, the internal wave monitoring device is constructed based on the ocean platform, so that the cable subsurface buoy real-time internal wave monitoring device installed on ocean platform is not easy to steal and lose, the safety of the measurement device is ensured; the real-time power supply of the measurement device and real-time data collection can be achieved; and compared with a self-contained subsurface buoy internal wave monitoring device, the cable subsurface buoy real-time internal wave monitoring device installed on ocean platform is greatly improved in the timeliness of data.

Description

technical field [0001] The invention relates to a real-time internal wave monitoring device for a cabled submersible buoy installed on an ocean platform, which belongs to the ocean internal wave observation technology. Background technique [0002] Internal wave is one of the disastrous marine environments. The internal wave flow in the ocean can generate huge horizontal thrust, which threatens the stability of semi-submersible and anchored oil platforms, and causes the main structure of the platform and the riser system to shift or reverse as a whole. The shearing of periodic internal waves will also lead to fatigue damage of FPSO and floating platform mooring system, and will also make deep-draft floating body \ mooring system \ riser system under the action of continuous flow and wake vortex, resulting in significant vortex Exciting vibrations will reduce the operational performance of platform equipment, and will cause collisions and fatigue fractures, seriously threaten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M10/00G01H17/00G08C19/00
Inventor 兰志刚李新仲李思忍彭希安王俊勤宋积文王智超
Owner CHINA NAT OFFSHORE OIL CORP
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