Method for monitoring safety of ocean platform on basis of displacement sensors

Abstract

The invention relates to a method for monitoring the safety of an ocean platform on the basis of displacement sensors and belongs to the technical field of ocean platform monitoring. The method comprises the following steps of (1) calculating and analyzing the whole different working conditions of the ocean platform, and establishing a database by a finite element analysis software; (2) designing a pre-alarm system according to the displacement of the central point of a deck, equipment or operation restrictions, and extreme operating conditions on the ocean platform; (3) arranging the displacement sensors; (4) acquiring and transmitting data of the displacement sensors; (5) establishing a signal demodulation control system to facilitate the analysis and the processing of a computer, wherein the control system is used for controlling and managing the equipment; and (6) importing the data into the database, establishing an estimating system, and reflecting the safety status of the whole structure of the platform in real time by monitoring, analyzing and processing position signal data. An estimating way is simplified by the method, the method has the characteristics of monitoring in real time, wide application range, high monitoring precision and the like, and the safety of the structure of the ocean platform can be intelligently and accurately monitored and pre-alarmed.

Description

technical field [0001] The invention belongs to the technical field of offshore platform monitoring, in particular to a displacement sensor-based offshore platform safety monitoring method. Background technique [0002] At present, the offshore platform structure is a major infrastructure for the development of offshore oil resources and a base for offshore production, operation and living. Offshore platforms need to face very harsh natural environments for production operations in the marine environment. For example, typhoons will cause the platform to be subjected to huge wind and wave loads, increasing its safety hazards; on the other hand, the design and use of platforms are still in the process of In the stage of optimization, the determination of the strength of the structure and the fatigue life are not perfect enough. [0003] Offshore platforms mainly use two methods of regular inspection and calculation evaluation to evaluate the safety of the platform, but these ...

AI Technical Summary

Problems solved by technology

The coverage area of ​​the platform’s regular detection means is limited and cannot reflect the overall situation of the platform. In addition, due to the long detection cycle, it is impossible to evaluate the status of the platform structure in real time, which also makes the platform structure security “short board”

The calculation and evaluation of the platform model using software is based on the data when the platform was built. The environmental data of the platform is too long to reflect the current environmental conditions of the platform. Therefore, the selection of parameters is too conservative and theoretical, and the authenticity and technical issues such as plausibility (often the hardest to ascertain) that directly affect the assessment results

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