Simulating device for solid-state mining experiment of gas hydrate

An experimental simulation and hydrate technology, which is applied in the fields of mining fluids, teaching models, and earthwork drilling, can solve problems such as practical development difficulties, and achieve the effects of maintaining uniform air distribution, convenient operation, and accurate simulation

Active Publication Date: 2009-03-25
CHINA NAT OFFSHORE OIL CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there is no experimental system that can be used to simulate solid-state mining

Method used

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  • Simulating device for solid-state mining experiment of gas hydrate
  • Simulating device for solid-state mining experiment of gas hydrate

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Experimental program
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Embodiment Construction

[0012] The present invention will be described in detail below in conjunction with the embodiments and the accompanying drawings.

[0013] Such as figure 1 Shown, the present invention comprises a vertical riser 1, the inlet of the lower end of the riser 1 is connected to a feed bin 2 and stretches into the bin, the outlet of the upper end of the riser 1 is tangentially connected to the top of a cylindrical separator 3, and the An air discharge port 4 is also provided on the separator 3 corresponding to the outlet position of the upper end of the pipe 1. A turbine flowmeter 5 and a solid particle weighing device 6 are arranged at the bottom of the separator 3. The turbine flowmeter 5 is connected to a liquid level maintaining water tank 7. The lower end of the solid particle weighing device 6 is connected to the upper inlet of a particle recovery pipeline 8 , and the lower end outlet of the particle recovery pipeline 8 is connected to the feeding bin 2 . A water inlet 9 is ar...

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Abstract

The invention relates to a gas hydrates solid state exploiting experiment simulation device, which is characterized by comprising a vertical lift pipe, wherein an inlet on the lower end of the lift pipe is connected with a feed bin and extends into the feed bin; an outlet on the upper end of the lift pipe is tangentially connected with the upper part of a cylindrical separator; the bottom of the separator is provided with a turbine flowmeter and a solid state particle weight-measuring device; the turbine flowmeter is connected with a liquid level holding water tank; the solid state particle weight-measuring device is connected with an inlet on the upper end of a particle recovery pipeline; an outlet on the lower end of the particle recovery pipeline is connected with the feed bin; the bottom of the liquid level holding water tank is connected with the bottom of the feed bin through a pipeline; a vertical section of the lift pipe is provided with a plurality of gas injection pipelines; each gas injection pipeline is provided with a plurality of gas injection ports communicated with the lift pipe; the gas injection ports are connected in parallel with a gas transmission pipeline through the gas injection pipelines; and the gas transmission pipeline is connected with an air compressor through a rotermeter and a gas-pressure regulator. The device has the advantages of simple structure, convenient operation, accurate simulation and the like, and can be applied to laboratory simulation of a sea seepage type gas hydrates solid state exploiting technology.

Description

technical field [0001] The invention relates to a natural gas exploitation device, in particular to a natural gas hydrate solid-state exploitation experiment simulation device. Background technique [0002] Gas hydrates have been widely found in permafrost zones and seabeds, and their content is estimated at 2000 trillion m 3 About two times the carbon content of known minerals (oil, coal, natural gas) in the world. Natural gas hydrate has the characteristics of wide distribution, large storage scale and high energy density, and is considered to be one of the potential new energy sources in the 21st century. The development and utilization of natural gas hydrate resources has become a top priority for governments in the energy field, especially the research on the production methods of seepage-type natural gas hydrate with high quality, shallow burial and concentrated distribution is the main direction of current research. Natural gas hydrate is mainly stored in the ocean ...

Claims

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Application Information

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IPC IPC(8): E21B43/00G09B25/00
Inventor 李清平曾恒一李新仲冯至平樊栓狮李小森唐梁广白玉湖喻西崇姚海元李刚王涛王珏
Owner CHINA NAT OFFSHORE OIL CORP
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