High-temperature high-pressure shaft simulator

A wellbore simulation, high temperature and high pressure technology, applied in wellbore/well components, production fluid, measurement, etc., can solve the problems of lack of substantiveness, industrial development obstacles, etc., to achieve the effect of improving crude oil recovery and extensive engineering application value

Active Publication Date: 2015-06-03
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Abstract
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Problems solved by technology

In the vertical wellbore, the research on the three-phase flow law is mainly based on the gas-liquid two-phase flow theory, and various mathematical models are established to calculate the pressure drop and friction of the vertical wellbore

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[0026] In order to have a clearer understanding of the technical solutions, objectives and effects of the present invention, the specific embodiments of the present invention will now be described with reference to the accompanying drawings.

[0027] Such as figure 1 with figure 2 As shown, the present invention provides a high temperature and high pressure wellbore simulation device, including: a circulation mechanism, which includes a reciprocating circulating pump 2, a circulating oil pipe 6 and a sample transfer device 4, the reciprocating circulating pump 2 and the circulating oil pipe 6 The inlet end 61 is connected to the outlet end 62, the sample preparation transfer device 4 is connected to the inlet end 61 of the circulating oil pipe 6, and the circulating oil pipe 6 has an ascending section 63 connected to the inlet end 61 and The descending section 65 connected to the outlet end 62, the ascending section 63 and the descending section 65 are connected by a transition s...

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Abstract

The invention provides a high-temperature high-pressure shaft simulator comprising a circulating mechanism, a temperature and pressure control mechanism, and a data measuring and acquiring mechanism. The circulating mechanism comprises a reciprocating circulating pump, a circulating oil pipe and a sample distributor-converter; the reciprocating circulating pump is connected with inlet and outlet ends of the circulating oil pipe; the sample distributor-converter is connected with the inlet end of the circulating oil pipe; the circulating oil pipe has an ascent segment and a descent segment connected through a transitional segment; the temperature and pressure control mechanism comprises an oil bath circulating sleeve, an oil bath thermostat and a pressure regulating pump; the oil bath circulating sleeve sleeves the circulating oil pipe and is connected with the oil batch thermostat; the pressure regulating pump is connected with the sample distributor-converter; the data measuring and acquiring mechanism comprises a plurality of sensors connected to the circulating oil pipe. The high-temperature high-pressure shaft simulator has the advantages that a high-temperature high-pressure underground environment and flowing of produced fluid in a shaft during production can be simulated, the influence of different production conditions upon frictional resistance and flowing form during crude oil lifting is studied through real-time monitoring, and the simulator is of promising engineering application value and academic value.

Description

Technical field [0001] The invention relates to the technical field of oil production engineering, and relates to a wellbore simulation device, particularly a high temperature and high pressure wellbore simulation device suitable for simulating the production process of crude oil from a reservoir to a wellhead; it can also be applied to different gas injection conditions Simulation of wellbore production. Background technique [0002] At present, the flow of oil-gas-water three-phase mixture is widely used in petroleum, chemical industry and other related industries. Especially in the petroleum industry, the flow of oil-gas-water three-phase mixture is quite common, making the study of its flow law especially important. In the process of oil reservoir exploitation, the existence of side and bottom water is quite common, and in the middle and late stages of exploitation, water injection and gas injection are often used to supplement the formation energy to continue to exploit the ...

Claims

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Application Information

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IPC IPC(8): E21B43/00E21B47/00
CPCE21B43/00E21B47/00
Inventor 郭继香杨矞琦赵海洋王雷吴文明任波杨祖国欧阳冬张江伟殷璎
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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