A device for simulating fault opening and closing and its simulation method
A simulation method and fault technology, applied in the field of devices for simulating the opening and closing of faults, can solve problems such as the inability to change the opening and closing properties of faults
Active Publication Date: 2020-10-09
NORTHEAST GASOLINEEUM UNIV
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Problems solved by technology
[0003] The purpose of the present invention is to provide a device for simulating fault opening and closing, which is used to solve the problem in the prior art that fault opening and closing cannot be changed in the same experimental process of the same device; the present invention Another object is to provide a simulation method for such a device for simulating the opening and closing of a fault
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[0028] Below in conjunction with accompanying drawing, the present invention will be further described:
[0029] combine Figure 1-Figure 4 As shown, the device for simulating the opening and closing of a fault includes a first glass plate 11 and a second glass plate 12, and between the first glass plate 11 and the second glass plate 12, a mudstone layer 3, Fault 2, reservoir 5 and transport layer 7, mudstone layer 3 includes upper mudstone layer, lower mudstone layer, rubber sealing strip 4 surrounds the upper mudstone layer, lower mudstone layer, The fault 2, the reservoir 5 and the conduction layer 7 are sealed inside, and the clips clamp and fix the first glass plate 11 and the second glass plate 12; the two ends of the reservoir 5 are respectively provided with drainage ports, and the fault 2 passes through the upper mudstone layer , Reservoir 5, entering the lower mudstone layer, the lower end of the fault 2 is connected to the upper end of the transport layer 7, and th...
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The invention relates to a device for simulating fault opening and closing and a simulation method thereof. The device for simulating fault opening and closing comprises a first glass plate and a second glass plate. An upper mudstone layer, a lower mudstone layer, a fault, a reservoir and a conduction layer are formed between the first glass plate and the second glass plate by laying granular materials with different particle sizes; rubber sealing strips seal the upper mudstone layer, the lower mudstone layer, the fault, the reservoir and the conducting layer along the peripheries of the firstglass plate and the second glass plate; liquid outlets are formed in two ends of the reservoir respectively, the fault penetrates through the upper mudstone layer and the reservoir and enters the lower mudstone layer, a lower end of the fault is connected with an upper end of the conduction layer, and the conduction layer is divided into two side wing shapes and the conduction layer extends downwards in the lower mudstone layer to the rubber sealing strips on the two sides to form two end faces, one end face is provided with a liquid inlet, and the other end face is provided with the liquid outlets, and a fault valve is set in the fault. The fault valve is designed in a two-dimensional visualization model, and the opening and closing performance of the fault can be changed in the experiment process.
Description
technical field [0001] The invention relates to an experimental device used in the field of oil and gas exploration, in particular to a device for simulating fault opening and closing and a simulation method thereof. Background technique [0002] In basins with developed faults, fault sealing plays a key role in oil and gas migration, accumulation and distribution. The role of faults on oil and gas migration is dual: when the fault is active, it is open and is the dominant channel for the secondary migration of oil and gas; when the fault is static, it is closed and acts as a barrier to prevent the secondary migration of oil and gas. During the quiescent period of the fault, oil and gas accumulate below the fault. The increase of oil and gas pressure below the fault or the change of in-situ stress causes the fault to open. The oil and gas accumulated under the fault are adjusted along the fault. After the pressure or in-situ stress is released to a certain extent, The fault...
Claims
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IPC IPC(8): G09B25/06
CPCG09B25/06
Inventor 闫建钊薛永安孙永河王德英宋宪强马研
Owner NORTHEAST GASOLINEEUM UNIV