Comprehensive hydrate simulation system
A technology for simulating systems and hydrates, applied in the field of comprehensive simulating systems, can solve problems such as inability to fully analyze hydrate change factors, unfavorable applications, etc., and achieve the effect of optimizing well pattern development plans
Active Publication Date: 2019-04-02
GUANGZHOU MARINE GEOLOGICAL SURVEY
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Problems solved by technology
[0007] The current research equipment can only be developed in one aspect, and cannot comprehensively analyze the corresponding environmental change factors in the process of hydrate formation or decomposition, which is not conducive to the application in actual mining
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[0059] In the following description, the inside of each system and the rectangular cavity are connected by pipelines with control valves. Unless otherwise specified, the specific connecting pipelines and control valves will not be shown one by one, but only to work. The process or experimental steps are explained.
[0060] Such as figure 1 As shown, one embodiment of the present invention provides a comprehensive hydrate simulation system, which generally includes a negative pressure sample chamber 1, a ring pressure system 2, a parameter measurement system 3, a constant temperature system 4, a vacuum system, and a gas injection system 5. Liquid injection system 6, heat injection system 7, drilling fluid circulation system 8, back pressure system 9, and data acquisition and processing unit 10.
[0061] Such as figure 2 As shown, the negative pressure sample chamber 1 is used as the main body of various experiments for simulated samples. The whole is a hollow tube 101 placed horizo...
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The invention discloses a comprehensive hydrate simulation system. The system generally comprises a negative pressure sample chamber for placing a sample, and an annular pressure system, a parameter measurement system, a constant temperature system, a vacuum system, a gas injection system, a liquid injection system, a heat injection system, a drilling fluid circulation system, a back pressure system and a data collecting and processing unit which are connected to the negative pressure sample chamber. The simulation system disclosed by the invention can simulate natural gas hydrate developmentin an all-round way, can be used for the mechanism of indoor research and synthesis of natural gas hydrates in Chinese sea areas and decomposition of the natural gas hydrates, and provides physical simulation support for mastering important sensitive parameters influencing trial production, such as reservoir physical properties, a temperature, a pressure, a yield variation law under the conditionsof different development modes and different development well groups in the process of sea area hydrate trial production.
Description
Technical field [0001] The present invention relates to the field of geology, in particular to a combination of multiple experiments that can realize hydrate single-phase and two-phase permeability measurement, hydrate gas injection mining simulation, hydrate formation and decomposition simulation, hydrate reservoir drilling pollution simulation, etc. Sexual simulation system and its experimental methods. Background technique [0002] Since the beginning of this century, the whole world has realized that natural gas hydrate is a clean energy source that can replace conventional fossil fuels. More than 200 hydrate deposits have been discovered around the world. With the current energy consumption trend, only 15% of the hydrate can be used globally for 200 years. However, its own stable temperature and pressure conditions determine the particularity of its mining method. In addition, its impact on the environment during the mining process needs to be further evaluated. Therefore,...
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IPC IPC(8): G01N33/00G01N15/08G01N27/04
CPCG01N15/082G01N15/088G01N27/04G01N33/00
Inventor 陆程孙晓晓王静丽耿澜涛李占钊马超王偲张渴为
Owner GUANGZHOU MARINE GEOLOGICAL SURVEY