High-temperature high-pressure oil and water two-phase metering device

Abstract

The invention provides a high-temperature high-pressure oil and water two-phase metering device, which comprises a bottom plate, a constant temperature box, a microcomputer, an oil and water separating part, a high-pressure observation window part, an oil volume metering part and a total volume metering part, wherein the high-pressure observation window part is provided with a glass observation window, the oil volume metering part is provided with a scanning device, the oil and water separating part, the high-pressure observation window part and the oil volume metering part are sequentially ranged in a line, are arranged on the bottom plate and are placed in the constant temperature box, the outer part of the constant temperature box is tightly connected with the total volume metering part, an inlet of the total volume metering part is connected with a three-way joint arranged at the lower end of the high-pressure observation window through a pipeline, and a back pressure valve and a cooling device are connected in series between the three-way joint arranged at the bottom of the high-pressure observation window part and the inlet of the total volume metering part. The high-temperature high-pressure oil and water two-phase metering device has the advantages that the total instantaneous flow rate and the accumulated flow rate of two phases of oil and water can be automatically metered, the instantaneous flow rate and the accumulated flow rate of split phases of oil and water can be automatically metered, high temperature and high pressure can be borne, the high-temperature high-pressure oil and water two-phase metering device can be placed into the same temperature field with experiment models, the metering precision is high, and the performance is stable and reliable.

Description

technical field [0001] The invention relates to a high-temperature and high-pressure oil-water two-phase metering device, which belongs to the technical field of petrochemical metering. Background technique [0002] In the process of oilfield scientific research, high-precision oil-water metering devices are required. The existing oil-water metering devices mainly include the following two types: [0003] The first oil-water metering device, such as Figure 4 As shown, its working principle is: the oil-water mixture to be tested enters the metering tube, the pre-injected water is discharged, and the oil remains in the tube for metering. This oil-water metering device has the following disadvantages: (A) the glass tube is not under pressure; (B) the scale is thick, and the oil volume can only be read manually and the oil-water interface is unclear; (C) the total volume is measured by a balance Density must be converted into volume, and the balance has higher requirements on ...

AI Technical Summary

Problems solved by technology

This oil-water metering device has the following disadvantages: (A) the glass tube is not under pressure; (B) the scale is thick, and the oil volume can only be read manually and the oil-water interface is unclear; (C) the total volume is measured by a balance Density must be converted into volume, and the balance has higher requirements on the use environment

This oil-water metering device has the following shortcomings: (A) the glass tube is not under pressure; (B) the electrode is easily contaminated by oil, causing misjudgment; (C) cannot measure the instantaneous flow rate; (D) the oil-water mixture is discharged from the model To the oil-water metering device, to the metering by the oil and water pump, the pipeline is too long

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