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公开(公告)号:US11948284B2
公开(公告)日:2024-04-02
申请号:US17416028
申请日:2020-07-23
Applicant: DALIAN UNIVERSITY OF TECHNOLOGY
Inventor: Yongchen Song , Yanghui Li , Peng Wu , Xiang Sun , Weiguo Liu , Jiafei Zhao , Mingjun Yang , Lei Yang , Zheng Ling
IPC: G06T7/136 , G01N23/046 , G06T5/30 , G06T7/11 , G06T17/00
CPC classification number: G06T5/30 , G01N23/046 , G06T7/11 , G06T7/136 , G06T17/00 , G06T2207/10081
Abstract: The present invention belongs to the technical field of petroleum exploitation engineering, and discloses a 3D modeling method for pore-filling hydrate sediment based on a CT image. Indoor remolding rock cores or in situ site rock cores without hydrate can be scanned by CT; a sediment matrix image stack and a pore image stack are obtained by gray threshold segmentation; then, a series of pore-filling hydrate image stacks with different saturations are constructed through image morphological processing of the pore image stack such as erosion, dilation and image subtraction operation; and a series of digital rock core image stacks of the pore-filling hydrate sediment with different saturations are formed through image subtraction operation and splicing operation to provide a relatively real 3D model for the numerical simulation work of the basic physical properties of a reservoir of natural gas hydrate.
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公开(公告)号:US11694338B2
公开(公告)日:2023-07-04
申请号:US17415621
申请日:2020-07-23
Applicant: DALIAN UNIVERSITY OF TECHNOLOGY
Inventor: Yongchen Song , Yanghui Li , Peng Wu , Xiang Sun , Weiguo Liu , Jiafei Zhao , Mingjun Yang , Lei Yang , Zheng Ling
CPC classification number: G06T7/155 , G06T17/10 , G06V10/467 , G06T2207/10081 , G06T2207/20036
Abstract: The present invention belongs to the technical field of petroleum exploitation engineering, and discloses a 3D modeling method for cementing hydrate sediment based on a CT image. Indoor remolding rock cores or in situ site rock cores without hydrate can be scanned by CT; a sediment matrix image stack and a pore image stack are obtained by gray threshold segmentation; then, a series of cementing hydrate image stacks with different saturations are constructed through image morphological processing of the sediment matrix image stack such as dilation, erosion and image subtraction operation; and a series of digital rock core image stacks of the cementing hydrate sediment with different saturations are formed through image subtraction operation and splicing operation to provide a relatively real 3D model for the numerical simulation work of the basic physical properties of a reservoir of natural gas hydrate.
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公开(公告)号:US11911786B2
公开(公告)日:2024-02-27
申请号:US17628104
申请日:2021-06-30
Applicant: DALIAN UNIVERSITY OF TECHNOLOGY
Inventor: Jiafei Zhao , Yongchen Song , Mingzhao Yang , Hongsheng Dong , Lunxiang Zhang , Quan Shi , Lei Yang , Zheng Ling , Xiang Sun , Yanghui Li , Weiguo Liu
Abstract: The present invention discloses a hydrate energy-storage temperature-control material and a preparation method therefor. The material includes a refrigerant hydrate and a cross-linked polymer. The preparation method comprises the following steps: first, preparing a refrigerant hydrate by using a high-pressure reactor, and conducting grinding, crushing and sieving to obtain hydrate particles; then, uniformly spraying polytetrafluoroethylene suspended ultrafine powder onto the surface of the hydrate particles by using an electrostatic spraying device, and putting the hydrate particles into a plasma instrument to modify polytetrafluoroethylene so as to allow free radicals to be formed on the polytetrafluoroethylene powder surface; finally, subjecting monomers to graft polymerization with the free radicals on the polytetrafluoroethylene surface under the irradiation of a high-pressure mercury lamp of UV lighting system to stabilize the structure of the material, preparing a final product. According to the present invention, a hydrate energy-storage temperature-control material with good stability is prepared. A method capable of preparing various types of refrigerant hydrate materials is provided. The product can give full play to the advantages of hydrate energy storage and temperature control, can be periodically used, and can be used in various fields such as building, refrigeration, etc.
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公开(公告)号:US11561158B2
公开(公告)日:2023-01-24
申请号:US17764476
申请日:2021-05-28
Applicant: DALIAN UNIVERSITY OF TECHNOLOGY
Inventor: Yongchen Song , Jiafei Zhao , Lunxiang Zhang , Tian Wang , Lingjie Sun , Yi Zhang , Xiang Sun , Lei Yang , Zheng Ling , Yanghui Li , Weiguo Liu
Abstract: The present invention belongs to the field of gas solubility measurement, and provides a measuring device and method for gas solubility in a natural gas hydrate solution system. The measuring device mainly comprises a reaction system, a sampling system and a data analysis system. The present invention can be used for measuring gas solubility in a natural gas hydrate solution system at different temperature, pressure and salt ion conditions, and exploring influence of different environmental conditions on the gas solubility when hydrate-liquid water biphase equilibrium is achieved. The present invention in characterized in that the structure is simple, the operation is easy, sampling is carried out at a constant pressure to avoid damage to phase equilibrium and dissolution equilibrium of the systems, and a microfilter is used to ensure that a liquid sample taken does not contain hydrate crystals, so that experimental data has a relatively high accuracy.
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公开(公告)号:US11926538B2
公开(公告)日:2024-03-12
申请号:US18315484
申请日:2023-05-10
Applicant: DALIAN UNIVERSITY OF TECHNOLOGY
Inventor: Yongchen Song , Lunxiang Zhang , Huilian Sun , Zheng Ling , Jiafei Zhao , Lingjie Sun , Lei Yang , Mingjun Yang , Yu Liu , Weiguo Liu , Yanghui Li , Xiang Sun , Lanlan Jiang
IPC: C02F1/04 , B01D1/30 , B01D5/00 , B01D9/00 , C02F101/20 , C02F103/16
CPC classification number: C02F1/048 , B01D1/30 , B01D5/0006 , B01D5/0051 , B01D5/006 , B01D9/0013 , B01D9/0031 , C02F2101/20 , C02F2103/16 , C02F2209/02 , C02F2209/03
Abstract: The present disclosure relates to the technical field of wastewater treatment, and provides a wastewater treatment method and apparatus based on hydrate-based water vapor adsorption. The apparatus includes a wastewater evaporation zone, a hydrate formation zone, a hydrate decomposition zone, and a data acquisition and control system. Rising water vapor and condensed water formed during evaporation of wastewater at normal temperature react with a hydrate former on a cooling wall surface to form a hydrate, continuous evaporation of the wastewater is promoted, the hydrate is scraped off to a collecting zone below by a scraper after being formed, and the hydrate is decomposed into fresh water, thereby realizing wastewater treatment. The present disclosure provides a method for treating complex wastewater containing a plurality of pollutants, where water vapor is consumed to form the hydrate to promote wastewater evaporation, and water obtained from the decomposition does not contain pollutants theoretically.
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