Preparation method and device of natural gas hydrate with uniform high saturability in sediment
A technology for preparing equipment and sediments, which is applied in the field of preparation of uniform and high-saturation natural gas hydrate, can solve the problems of the influence of experimental simulation results of natural gas hydrate production, and the occurrence state of hydrate is not truly reflected, and achieves a wide range of pressure resistance options. , the effect of reducing high pressure requirements and reducing manufacturing costs
Active Publication Date: 2014-01-22
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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The invention discloses a preparation method and a preparation device of natural gas hydrate with uniform high saturability in sediment. The device comprises a stable pressure gas supply module, a constant pressure liquid supply module, an automatic control module and a data acquisition and processing module, wherein a reaction kettle consists of an inner kettle body and an outer kettle body; the inner kettle body is filled with sediments; solutions are filled in a cavity which is formed between the two kettle bodies and are uniformly dispersed into the sediment through micropores in the peripheral wall surfaces of the inner kettle body under the constant pressure condition. According to the preparation method and the preparation device, the pressure in the kettle body and the supplement of the solutions are continuously and stably controlled by using a constant pressure automatic control system, and the sediment system with high saturability of the hydrate can be prepared so as to lay a reliable experiment foundation for natural gas hydrate reservoir exploitation in the simulated natural world.
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