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Device and method for physical simulation of convection and diffusion in solution cavity of salt cavern gas storage

A convection-diffusion and physical simulation technology, which is applied in the field of convection-diffusion physical simulation devices for salt cavern gas storage caverns, can solve the problems of slow cavity-making speed and difficult control of cavity shape in salt-rock gas storages, and improve the cavity size. Morphological control, improved cavity creation speed, data parameters and image-realistic effects

Active Publication Date: 2016-08-10
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

[0003] In order to solve the problems of slow cavity building speed and difficult control of cavity shape in salt rock gas storage

Method used

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  • Device and method for physical simulation of convection and diffusion in solution cavity of salt cavern gas storage
  • Device and method for physical simulation of convection and diffusion in solution cavity of salt cavern gas storage

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] Please refer to figure 1 , the salt cavern gas storage solution cavity convection diffusion physical simulation device of the present invention comprises a simulation box 1, a displacement pump 2 connected to the simulation box 1, a conductivity meter 3 connected to the simulation box 1, an imaging device 4, operatively The cavitation tubing column 5 and the computer (not shown) installed in the simulation box 1.

[0022] Please refer to figure 2 , The simulation box 1 includes a liquid container 11 for containing brine and an upper cover 13 covering the liquid container 11 . Preferably, in this embodiment, the liquid container 11 is a coverless box with a length of 280mm×width of 250mm×height of 400mm. Preferably, in this e...

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Abstract

The invention, which belongs to the technical field of establishment of an underground salt cavern gas storage, discloses a physical simulation apparatus and method of convection and diffusion of a salt-cavern gas storage cavity. The physical simulation apparatus comprises a simulation box, a displacement pump, a discharge pipe, a conductivity meter, a shooting device opposite to the simulation box, a cavity construction tubular column and a computer. The displacement pump and the discharge pipe are connected to the cavity construction tubular column; a first flowmeter is connected between the displacement pump and the simulation box; a second flowmeter is also arranged at the discharge pipe; and the shooting device, the first flowmeter, and the second flowmeter are connected to the computer by an operable way. According to the invention, simulation of various working conditions is carried out in the simulation box; fresh water is injected into the displacement pump and the discharge pipe discharges brine to make convection and diffusion phenomena, thereby reflecting the working condition and environment of the cavity construction process of the salt cavern gas storage actually. Therefore, the method and process parameters that are obtained based on the simulation apparatus and method and are used for accelerating a rock salt cavity construction speed become true and accurate, thereby improving the cavity construction speed and the cavity shape controlling beneficially.

Description

technical field [0001] The invention relates to the technical field of salt-cavern underground gas storage construction, in particular to a physical simulation device and method for convection and diffusion of a dissolved cavity of a salt-cavern gas storage. Background technique [0002] With the operation or start of important pipelines such as my country's "West-to-East Gas Pipeline", "Second West-to-East Gas Pipeline", Sichuan-to-East Gas Pipeline, and China-Myanmar Pipeline, the domestic demand for underground gas storage is increasing. my country is rich in salt rock resources, most of which are layered salt beds with low grade and many interlayers. Compared with foreign salt dome caverns, it is difficult to control the shape of salt caverns in my country. Cavity is slow. [0003] In order to solve the problems of slow cavity building speed and difficult control of cavity shape in salt rock gas storage. On the one hand, before the cavity construction of the salt cavern...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M10/00
Inventor 班凡生袁光杰申瑞臣李景翠田中兰夏焱付利董胜祥路立君蓝海峰
Owner BC P INC CHINA NAT PETROLEUM CORP
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