Dissolution cavity physical simulation device and method for single well salt cavern
A technology of physical simulation and salt karst cavern, which is applied in measurement devices, teaching models, instruments, etc. to achieve the effect of optimizing cavern parameters
Active Publication Date: 2017-11-07
BC P INC CHINA NAT PETROLEUM CORP +1
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Domestic patent CN201410602357 proposes cavity-building simulation device and method suitable for single well and single-cavity salt-cavern gas storage, which is used to study the mechanism of water-soluble cavity-building of salt-cavern gas storage, analyze the influence of various factors on cavity-building, and optimize the cavity-building process parameters, but the cavity dissolution process is monitored by industrial CT (industrial CT is the abbreviation of industrial computerized tomography technology, which can display the detected objects in the form of two-dimensional tomographic images or three-dimensional images without damage to the detected object. The internal structure, composition, material and defect condition of the object) cannot allow relevant technical personnel to directly observe the process of salt rock dissolution and cavity expansion
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[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] The invention provides a physical simulation device for a single-well salt cavern, such as figure 1 As shown, the simulation device includes a perspective system and a displacement system. The see-through system includes a see-through part 7, and the see-through part 7 is used to cooperate with the rock core, thereby forming a sealed chamber with the rock core; the displacement system includes a liquid inlet pipe 3, a liquid outlet pipe 6, and a liquid inlet...
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The invention provides a dissolution cavity physical simulation device and method for a single well salt cavern. The dissolution cavity physical simulation device for a single well salt cavern includes a see-through system and a displacement system. Cooperate to form a sealed chamber to realize the visualization of the physical simulation of the dissolution chamber. The device includes a metering system for monitoring relevant experimental data and outputting the obtained experimental data. The metering system includes a flowmeter, a pressure gauge, a Baume meter and a cavity shape monitor, the flowmeter and the pressure gauge are arranged on the liquid inlet pipe; the flowmeter, the pressure gauge and the The Baume meter is arranged on the liquid outlet pipe; the shape monitor is arranged outside the fluoroscopy system. The simulation device and method provided by the invention can realize the intuitive observation of the physical simulation experiment of the single well salt cavern, study the mechanism of the salt cavern gas storage and the dissolution mechanism in the process of salt rock water-soluble mining, optimize the parameters of the dissolution cave, and guide the on-site construction. .
Description
technical field [0001] The invention belongs to the technical field of dissolution cavities of underground natural gas salt caverns, and in particular relates to a physical simulation device and method for dissolution cavities suitable for single well salt caverns. Background technique [0002] The cavity building process of salt cavern gas storage is usually in the natural salt layer, drilling through the rock layer by drilling method, injecting fresh water for erosion to form a certain volume and shape of the dissolved cavity, and then pumping out the brine. The cavern construction method of salt cavern gas storage generally adopts the single well convection method to construct the cavity, and the single well convection method is also applied in the salt rock water solution mining. Salt rock water-soluble mining utilizes the characteristics of some salt and alkali deposits that are easily soluble in water. Fresh water is injected through drilling or tunnels to dissolve the...
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IPC IPC(8): G09B25/06G01N33/00
Inventor 班凡生申瑞臣袁光杰周俊驰纪成夏焱郑东波李景翠刘奕杉
Owner BC P INC CHINA NAT PETROLEUM CORP