Continuous condensing recovery device for liquid oil of oil field gas

A technology for condensation recovery and oilfield gas, which is applied in steam condensation, chemical instruments and methods, separation methods, etc. It can solve the problems of ice blockage of oilfield gas passages and the inability of continuous condensation recovery operation, so as to save cooling loss and achieve continuous recovery. Effect

Inactive Publication Date: 2015-03-25
WUXI YUDA HEAT EXCHANGER
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AI Technical Summary

Problems solved by technology

[0002] The oil field gas is the natural gas produced during oil extraction, which includes water vapor, oil vapor and a part of non-condensable gas. The oil vapor can be recovered and utilized through condensation. When the traditional condensing equipm

Method used

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  • Continuous condensing recovery device for liquid oil of oil field gas

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[0011] The technical solutions of the present invention will be further described below in conjunction with the drawings and specific implementations.

[0012] See figure 1 , The oil field gas liquid oil continuous condensation recovery device includes an inlet pipe 1 and two identical main and auxiliary condensation heat exchangers 2 and an oil discharge pipe 5. The inlet pipe 1 is connected to the main and auxiliary condensation heat exchangers 2 respectively. The upper end of the oil field gas pipeline is connected, the gas inlet pipe 1 is provided with a gas path switching valve 11 for passing the oil field gas into the main and auxiliary condensing heat exchangers 2 respectively, and the lower end of the oil field gas pipeline is connected to the oil discharge pipe 5, The oil field gas pipeline is also connected with a drainage pipe 6 and an exhaust pipe 7, and the main and auxiliary condensing heat exchangers 2 are respectively provided with a pre-cooling zone 3 and a cryog...

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Abstract

The invention discloses a continuous condensing recovery device for liquid oil of oil field gas. The device comprises a gas inlet pipe, main and auxiliary condensing heat exchangers as well as oil discharge pipes, wherein a gas circuit switching valve is arranged on the gas inlet pipe, the gas inlet pipe is communicated with upper ends of oil field gas pipelines arranged in the main and auxiliary condensing heat exchangers, lower ends of the oil field gas pipelines are communicated with the oil discharge pipes, water discharge pipes and gas discharge pipes respectively, heat-exchange liquid pipelines contacted with the oil field gas pipelines are arranged in the main and auxiliary condensing heat exchangers and provided with inlet/outlet pipes, the inlet/outlet pipes are communicated with refrigerant circulating systems and high-temperature condensing agent circulating systems respectively through switching valves, and gas-liquid separators are arranged on the gas discharge pipes. According to the continuous condensing recovery device for the liquid oil of the oil field gas, one of the main and auxiliary condensing heat exchangers performs condensing recovery, the other one performs defrosting, the main and auxiliary condensing heat exchangers are alternately switched for use, and continuous condensing recovery of the liquid oil is realized.

Description

technical field [0001] The invention relates to a condensation recovery device, in particular to a continuous condensation recovery device for oilfield gas and liquid oil. Background technique [0002] The oil field gas is the natural gas produced during oil extraction, which includes water vapor, oil vapor and a part of non-condensable gas. The oil vapor can be recovered and utilized through condensation. When the traditional condensing equipment condenses the oil field gas, due to the There is water vapor inside, and during the condensation process, ice cubes will be formed to block the oilfield gas channels, and the condensation recovery operation cannot be carried out continuously. Contents of the invention [0003] The object of the present invention is to provide a continuous condensing and recovering device for oilfield gas and liquid oil, which is used to continuously condense oilfield gas and recover liquid oil. [0004] To achieve the above object, the present i...

Claims

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Application Information

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IPC IPC(8): B01D5/00
Inventor 殷敏伟
Owner WUXI YUDA HEAT EXCHANGER
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