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System for storing and transporting natural gas based on hydrate method and use method of system

A technology for natural gas and hydrate, which is applied in the petroleum industry, solid fuels, fuels, etc., can solve the problems of simple preparation methods and few processes, blockage of water circulation loops, etc., and achieves the effects of shortening nucleation time, enhancing efficiency, and facilitating industrial production.

Inactive Publication Date: 2019-08-30
DALIAN DONGYOU RUIJIA PETROLEUM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to overcome the above disadvantages and provide a system and method for storing and transporting natural gas based on the hydrate method. A hydrate preparation method, the preparation method of the present invention is simple and has few processes, solves the problem of blockage in the water circulation loop, enables natural gas to be stored and transported in solid form, and the storage and transportation method is more flexible and convenient, and pipeline construction and maintenance costs can be exempted

Method used

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  • System for storing and transporting natural gas based on hydrate method and use method of system
  • System for storing and transporting natural gas based on hydrate method and use method of system
  • System for storing and transporting natural gas based on hydrate method and use method of system

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Embodiment 1

[0104] The using method of embodiment 1 is divided into the following steps:

[0105] Step 1. In the hydrate slurry preparation process, the configured water in the water tank 11 is pumped through the configured water booster pump 6, and the configured water is pumped into the hydrate slurry generating device 8 through the water delivery pipeline 10, so that the configured water fills the cavity of the slurry generating device Chamber 18, inject natural gas into the hydrate slurry generating device 8 through the gas booster pump 6 and discharge the configured water, adjust the configured water stock to 0.8 times the volume of the hydrate slurry generating device 8 through gas injection and drainage, and pass through the refrigeration unit 13 Adjust the reaction temperature in the hydrate slurry generating device 8 to 2°C, and inject natural gas through the gas injection ports 27 arranged in steps. The volume of the hydrate slurry generating device 8 changes by 1 MPa, and the h...

Embodiment 2

[0114] The using method of embodiment 2 is divided into the following steps:

[0115] Step 1. In the hydrate slurry preparation process, the configured water in the water tank 11 is pumped through the configured water booster pump 6, and the configured water is pumped into the hydrate slurry generating device 8 through the water delivery pipeline 10, so that the configured water fills the cavity of the slurry generating device Chamber 18, inject natural gas into the hydrate slurry generating device 8 through the gas booster pump 6 and discharge the configured water, adjust the configured water stock to 0.8 times the volume of the hydrate slurry generating device 8 through gas injection and drainage, and pass through the refrigeration unit 13 Adjust the reaction temperature in the hydrate slurry generating device 8 to 2°C, and inject natural gas through the gas injection ports 27 arranged in steps. The volume of the hydrate slurry generating device 8 changes by 1 MPa, and the h...

Embodiment 3

[0124] The using method of embodiment 3 is divided into the following steps:

[0125] Step 1. In the hydrate slurry preparation process, the configured water in the water tank 11 is pumped through the configured water booster pump 6, and the configured water is pumped into the hydrate slurry generating device 8 through the water delivery pipeline 10, so that the configured water fills the cavity of the slurry generating device Chamber 18, inject natural gas into the hydrate slurry generating device 8 through the gas booster pump 6 and discharge the configured water, adjust the configured water stock to 0.8 times the volume of the hydrate slurry generating device 8 through gas injection and drainage, and pass through the refrigeration unit 13 Adjust the reaction temperature in the hydrate slurry generating device 8 to 2°C, and inject natural gas through the gas injection ports 27 arranged in steps. The volume of the hydrate slurry generating device 8 changes by 1 MPa, and the h...

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Abstract

The invention discloses a system for storing and transporting natural gas based on a hydrate method and a use method of the system, relates to the field of natural gas storage and transportation, andparticularly relates to a system for storing and transporting the natural gas based on the hydrate method and the use method of the system. Specifically the system is a system for carrying out hydratesynthesis, storage and decomposition reutilization on the natural gas by the hydrate method. The system comprises a hydrate slurry synthesis system, a low-temperature hydrate generation system, a transmission system, a hydrate underground low-temperature storage reservoir and a hydrate decomposition system. According to the system, natural gas and configuration water are used for synthesize hydrate slurry through the mode comprising stepped distribution of gas injection ports, pressure-fluctuation-type injection of the natural gas, and forward and reverse vortex-type stirring; and the hydrateslurry and the natural generate a natural gas hydrate through spraying. The preparation method provided by the invention simple, the processes are few, and the problem of blockage in a water circulation loop is solved, so that the natural gas can be stored and transported in a solid form, and the storage and transportation mode is more flexible and convenient.

Description

technical field [0001] The invention relates to the field of natural gas storage and transportation, in particular to a system for storing and transporting natural gas based on a hydrate method and a method for using it, in particular to a system for hydrate synthesis, storage, decomposition and reuse of natural gas through the hydrate method. Background technique [0002] The huge resource potential of natural gas hydrate has attracted widespread attention in the oil and gas industry. Its research direction is not limited to resource value, but also covers many fields such as hydrate prevention, hydrate utilization, and the potential impact of hydrate on the environment. Among them, the research on hydrate utilization technology has shown a relatively active trend in recent years, and has become a new field worthy of attention in the research of natural gas hydrate. [0003] Among hydrate utilization technologies, the research on natural gas hydrate storage and transportati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L7/00
CPCC10L7/00
Inventor 武振平孙米强马国宇袁鹏飞曹广胜白玉杰
Owner DALIAN DONGYOU RUIJIA PETROLEUM TECH CO LTD
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