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Natural gas hydrate extraction device and extraction method based on solar technology

A technology for natural gas and hydrate, which is applied in the field of natural gas hydrate extraction devices based on solar technology, and achieves the effects of improving seepage characteristics, improving extraction rate and extraction efficiency, and having simple principles.

Inactive Publication Date: 2016-08-10
SOUTHWEST PETROLEUM UNIV
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AI Technical Summary

Problems solved by technology

[0005] How to integrate solar energy into natural gas hydrate mining to achieve effective and economical development of hydrate reservoirs has become an urgent issue at present, and current research in this area is still basically at the theoretical stage

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  • Natural gas hydrate extraction device and extraction method based on solar technology
  • Natural gas hydrate extraction device and extraction method based on solar technology
  • Natural gas hydrate extraction device and extraction method based on solar technology

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0033] Such as figure 1 As shown, a natural gas hydrate exploitation device based on solar technology includes a solar photovoltaic power supply system, a solar steam generation system, an ultrasonic generation system and an underground mining system,

[0034] The solar photovoltaic power supply system includes a solar battery array 1, a control conversion device 2 and a storage battery 3, the control conversion device 2 includes a solar controller and an inverter, the solar battery array 1 is connected to the input end of the solar controller, and the solar control The first output terminal of the controller is connected with the storage battery 3, and the second output terminal of the solar controller is connected with the inverter;

[0035] Described ultrasonic generating...

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Abstract

The invention relates to a natural gas hydrate extraction device and an extraction method based on solar technology; a solar steam generation system heats injection water up to the reservoir hydrate decomposition temperate, and pumps the heated water to the hydrate reservoir; a solar photovoltaic power generation energy supply system provides energy for an ultrasonic generator; the ultrasonic generator uses the heat effect to carry out in situ heating for the pumped hot water in the hydrate reservoir; the hot fluid and the hydrate reservoir exchange heat so as to promote pore natural gas hydrate to fast decompose, thus generating natural gas and water; in addition, the ultrasonic cavitation and oscillation effect can improve reservoir seepage characters, thus improving natural gas hydrate reservoir extraction rate and efficiency; the beneficial effects are that the method and device can extract natural gas hydrate reservoir with economical means, efficiency, clean ways, low energy consumption and low cost.

Description

technical field [0001] The invention relates to the technical field of natural gas hydrate reservoir exploitation, in particular to a natural gas hydrate exploitation device and exploitation method based on solar technology. Background technique [0002] The total reserves of natural gas hydrate in the world are about twice the sum of the carbon content of all fossil fuels that have been proven so far. The natural gas hydrate reserves in the South my country Sea of ​​China are 64.97 billion cubic meters. [0003] Many countries in the world are intensifying research on natural gas hydrate mining. At present, more mature mining methods include decompression mining method heat, thermal stimulation mining method, chemical reagent injection mining method, carbon dioxide displacement mining method and seabed mining excavation method. These methods have their own advantages and disadvantages. The depressurization method is more economical but the mining efficiency is very low. The...

Claims

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Application Information

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IPC IPC(8): E21B43/20E21B43/24E21B43/01E21B33/122F22B1/00
CPCE21B33/122E21B43/01E21B43/20E21B43/24E21B43/2401F22B1/006E21B41/0099
Inventor 郭勇赵金洲伍开松蒲万芬
Owner SOUTHWEST PETROLEUM UNIV
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