Physical simulation device and simulation method for gas and liquid injection bittern-drainage in salt cavern warehouse construction
A technology of brine exhaust physics and simulation equipment, which is applied in the direction of earthwork drilling, production fluid, wellbore/well components, etc.
Pending Publication Date: 2018-09-28
BC P INC CHINA NAT PETROLEUM CORP +1
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[0005] However, at present, there is no simulation device in China that can systematically conduct comprehensive indoor research on the above-mentioned problems in salt cavern construction
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[0034] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. After reading the present invention, those skilled in the art Modifications to various equivalent forms of the present invention fall within the scope defined by the appended claims of the present application.
[0035] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar exp...
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The invention discloses a physical simulation device and simulation method for gas and liquid injection bittern-drainage in salt cavern warehouse construction. The device comprises a liquid injectionsystem, a gas injection system and a simulation salt cavern physical model; the simulation salt cavern physical model comprises a salt cavern chamber, an artificial bottom arranged at the bottom of the salt cavern chamber; partition plates disposed with intervals along a longitudinal extension direction of the salt cavern chamber, and an inner layer pipe column, an intermediate pipe column, and anouter pipe column which are disposed in the partition plates in a penetrating mode and are sequentially sleeved; the liquid injection system compirses: a liquid storage tank; a first flow control valve, a plunger pump, and a first flow path of the first flow meter which are disposed between the liquid storage tank and the salt cavern chamber; a second flow path disposed between the liquid storagetank and the inner pipe column; the gas injection system comprises: a third flow channel communicating with the salt chamber, wherein the third flow channel is provided with a pressure regulating valve, a second flow meter and a gas control valve. The invention can fully meet the physical simulation requirement of the gas and liquid injection bittern-drainage in the salt cavern construction.
Description
technical field [0001] The invention relates to the technical field of salt cavern underground storage building, in particular to a physical simulation device and simulation method for salt cavern construction, gas injection and liquid brine discharge. Background technique [0002] Natural gas underground gas storage is the most effective and reliable means of peak regulation and storage. Salt cavern gas storage is one of the main types of gas storage. It has the advantages of high injection-production efficiency, large short-term throughput, low cushion gas volume and complete recovery. Salt cavern cavity is a good carrier for storing natural gas. In my country It has important strategic significance in the West-East Gas Transmission Project. [0003] The construction of salt cavern gas storage in my country started late, and there are many problems in the process of salt cavern construction, which affect the speed and cost of salt cavern construction. Salt crystallization...
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IPC IPC(8): E21B43/00
CPCE21B43/122
Inventor 班凡生夏焱袁光杰庄晓谦刘健达
Owner BC P INC CHINA NAT PETROLEUM CORP