Marine hydrate mining environment three-dimensional monitoring system

Abstract

The present invention relates to a marine hydrate mining environment three-dimensional monitoring system, which comprises a drilling platform, an inner core monitoring circle, an outer core monitoring circle, and an outer-circle cruise monitoring area. A main production well is adopted as the circle center of the inner core monitoring circle. The inner core monitoring circle comprises an environmental monitoring sub-well, sit-on-bottom type seabed workstations and a terrain deformation monitoring device. The outer core monitoring circle is uniformly provided with mooring system submersible buoy workstations distributed along the circumference of the outer core monitoring circle, wherein the sit-on-bottom type seabed workstations and the mooring system submersible buoy workstations are in the staggered arrangement. The outer-circle cruise monitoring area is provided with an AUV (Autonomous Underwater Vehicle) and a seabed connection platform. The seabed connection platform provides the power supply and the power distribution in the unified way and is respectively connected with all the above devices through cables. According to the technical scheme of the invention, the water pollution, the biological damage, geological disasters and other factors, which might occur during the hydrate mining process, are comprehensively considered. Therefore, the environmental effects of hydrate mining activities are comprehensively and effectively evaluated. Potential environmental hazards are warned in advance. Therefore, the system is a scientific evaluation system for the commercial exploitation of hydrates in the environmental aspect.

Description

technical field [0001] The invention relates to the technical field of exploration and exploitation of modern seabed natural gas hydrate resources, in particular to marine environment monitoring, evaluation and prediction during the hydrate exploitation process. Background technique [0002] Natural gas hydrate is a solid ice-like substance formed by the combination of natural gas molecules and water molecules. It is currently considered as a new type of energy with great potential. The main component of which is combustible methane, so it is often called "methane hydrate". [0003] At present, countries such as Canada, the United States and Japan have successively carried out trial mining of methane hydrate on land and in the sea. For a large energy consumption country like my country, the scientific theory, resource evaluation, technical methods, Pilot mining, demonstration, and commercial development are of great strategic significance, and they are also reliable means to...

AI Technical Summary

Problems solved by technology

However, in the context of the continuous increase in global energy demand and the gradual increase in carbon emissions, natural gas hydrate is not only a potential energy resource with huge reserves, but also an important source of greenhouse gases. At the same time, because 99% of hydrate resources Stored in the marine environment, in the process of exploration and development, it will inevitably cause risks such as submarine methane leakage, seabed displacement and subsidence, damage to biological communities, water pollution and even submarine landslides

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