Metering device for local liquid amount

Abstract

The utility model relates to the technical field of petroleum equipment, in particular to a local liquid quantity metering device which comprises a liquid inlet, a liquid outlet, a liquid inlet pipe, a liquid measuring cavity, a liquid outlet pipe, an electric appliance element fixing cylinder, a Hall sensor, an induction magnet, a taper pipe bearing frame, a taper pipe, a floater connecting rod fixing frame, a floater, a floater connecting rod and a digital display instrument. A plurality of branch pipelines are installed on a crude oil main pipeline, and devices used for metering the local liquid amount are arranged on the branch pipelines to meter the crude oil liquid production amount.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum equipment, in particular to a local liquid quantity metering device. Background Art

[0002] There are differences in the liquid production of oil fields. In oil well production operations with a large range of liquid production, the liquid metering device may exceed the range when measuring the liquid production. Therefore, a segmented metering method can be adopted to install multiple branch pipelines on the crude oil main pipeline, and devices for local liquid metering are arranged on the branch pipelines to measure the crude oil production. Summary of the Invention

[0003] In order to solve the above technical problems and achieve the above technical features, the present invention adopts the following technical solutions:

[0004] A device for local liquid quantity metering, comprising a liquid inlet, a liquid outlet, a liquid inlet pipe, a liquid measuring cavity, a liquid outlet pipe, an electrical component fixing cylinder, a Hall sensor, an induction magnet, a cone tube support bracket, a cone tube, a float connecting rod fixing bracket, a float, a float connecting rod, and a digital display instrument; the liquid inlet is an entrance for the local liquid quantity metering device; the liquid inlet pipe is connected to the liquid inlet; the liquid measuring cavity is connected to the liquid inlet pipe, and the liquid measuring cavity is an area for measuring the flow of crude oil when crude oil flows through it; the inside of the liquid measuring cavity is provided with a cone tube support bracket, a cone tube, a float, a float connecting rod, and a float connecting rod fixing bracket; the cone tube support bracket is fixed to the inner wall of the liquid measuring cavity; the The conical tube support bracket is used to fix the conical tube; the conical tube is used to support the float; the top of the float is connected to the float connecting rod; the top of the float connecting rod is provided with a groove, and the groove is embedded with an induction magnet; the float connecting rod fixing bracket is used to straighten the float connecting rod; the liquid outlet pipe is connected to the liquid measuring chamber; an electrical component fixing cylinder is provided inside the liquid outlet pipe; a Hall sensor is provided at the bottom of the electrical component fixing cylinder; the Hall sensor is used to generate Hall induction with the induction magnet and can detect the moving height of the induction magnet; a data connection wire is provided in the electrical component fixing cylinder, and the data wire is respectively connected to the digital display instrument and the Hall sensor; the liquid outlet is connected to the liquid outlet pipe.

[0005] Furthermore, the digital display instrument is located outside the liquid outlet pipe and is provided with an LED display screen.

[0006] Furthermore, the digital display instrument is internally provided with an integrated circuit, which is provided with a data processor, a data storage unit and a data transmission module. The data processor is used to process the original data of the measured liquid volume, the data storage unit is used to store the liquid volume data, and the data transmission module is used to transmit the data analyzed and processed by the data processor to the user terminal.

[0007] The beneficial effects of the utility model are as follows: a plurality of branch pipelines are connected to the main pipeline of an oil well with a large range of liquid production, and a local liquid metering device is arranged on each branch pipeline. When the device is in a working state, crude oil flows into the liquid inlet pipe through the liquid inlet port and then flows into the liquid measuring chamber through the liquid inlet pipe. When the crude oil passes through the liquid measuring chamber, it will impact the float in the liquid measuring chamber, and the float will rise to a certain height and produce different float height fluctuations according to different liquid volumes. A float connecting rod is provided on the top of the float, and an induction magnet provided in the groove on the top of the float connecting rod will change with the change of the float height. The height change of the induction magnet is related to the change of the magnetic field strength induced by the Hall sensor provided at the bottom of the electrical component fixing cylinder. The height change of the induction magnet can be calculated by the Hall effect, thereby judging the height change of the float. The microprocessor within the digital instrument's integrated circuit is calibrated using the metal tube float flowmeter's metering formula, crude oil temperature, crude oil viscosity, and other parameters of the test oil well. The microprocessor then analyzes the acquired float height change data to determine the instantaneous and cumulative crude oil flow rate. The analyzed instantaneous and cumulative flow rate data are stored in the digital instrument's integrated circuit's data storage unit. The measured crude oil flow rate data can be visually read via the digital instrument's LED display or transmitted to a user terminal via the digital instrument's integrated circuit's data transmission module. After passing through the liquid measurement chamber, the crude oil is discharged through the liquid outlet pipe and outlet. Under these operating conditions, the utility model can measure the crude oil flow rate within a branch pipeline connected to the main crude oil pipeline, facilitating subsequent calculation of the well's total liquid production. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the three-dimensional structure of a local liquid metering device.

[0009] Figure 2 The present invention is a schematic diagram of the cross-sectional structure of a local liquid metering device.

[0010] Figure 3 It is an exploded view of a device for local liquid measurement.

[0011] In the figure: 101-liquid inlet, 102-liquid outlet, 201-liquid inlet pipe, 202-liquid measuring chamber, 203-liquid outlet pipe, 204-electrical component fixing cylinder, 205-Hall sensor, 206-induction magnet, 301-conical tube support bracket, 302-conical tube, 303-float connecting rod fixing bracket, 304-float, 305-float connecting rod, 306-digital display instrument. DETAILED DESCRIPTION

[0012] The present invention provides a device for measuring local liquid volume, such as Figure 1 、 Figure 2 、 Figure 3As shown, a local liquid quantity metering device includes a liquid inlet 101, a liquid outlet 102, a liquid inlet pipe 201, a liquid measuring cavity 202, a liquid outlet pipe 203, an electrical component fixing cylinder 204, a Hall sensor 205, an induction magnet 206, a cone tube support 301, a cone tube 302, a float connecting rod fixing frame 303, a float 304, a float connecting rod 305, and a digital display instrument 306; the liquid inlet 101 is an entrance for the local liquid quantity metering device; the liquid inlet pipe 201 is connected to the liquid inlet 101; the liquid measuring cavity 202 Connected to the liquid inlet pipe 201, the liquid measuring chamber 202 is the area for measuring the flow of crude oil when it flows through it. The interior of the liquid measuring chamber 202 is provided with a cone tube support bracket 301, a cone tube 302, a float 304, a float connecting rod 305, and a float connecting rod fixing bracket 303; the cone tube support bracket 301 is fixed to the inner wall of the liquid measuring chamber 202; the cone tube support bracket 301 is used to fix the cone tube 302; the cone tube 302 is used to support the float 304; the top of the float 304 is connected to the float connecting rod 305; the top of the float connecting rod 305 is provided with a groove, in which an induction magnet 205 is embedded; the float connecting rod fixing frame 303 is used to straighten the float connecting rod 305; the liquid outlet pipe 203 is connected to the liquid measuring chamber 202; an electrical component fixing cylinder 204 is provided inside the liquid outlet pipe 203; a Hall sensor 205 is provided at the bottom of the electrical component fixing cylinder 204; the Hall sensor 205 is used to generate Hall induction with the induction magnet 206 and detect the moving height of the induction magnet 206; a data connection wire is provided in the electrical component fixing cylinder 204, and the two ends of the data wire are respectively connected to the digital display instrument 306 and the Hall sensor 205; the liquid outlet 102 is connected to the liquid outlet pipe 203, the digital display instrument 306 is located outside the liquid outlet pipe 203, the digital display instrument 306 is provided with an LED display screen, and an integrated circuit is provided inside the digital display instrument 306, which is provided with a data processor, a data storage unit and a data transmission module. The data processor is used to process the raw data of the measured liquid volume, the data storage unit is used to store the liquid volume data, and the data transmission module is used to transmit the data analyzed and processed by the data processor to the user terminal.

[0013] In an embodiment of the present invention, a plurality of branch pipelines are connected to a main pipeline of an oil well with a wide range of liquid production. A local liquid volume metering device is arranged on each branch pipeline. When the device is in operation, crude oil flows into the liquid inlet pipe 201 through the liquid inlet port 101 and then flows into the liquid measuring chamber 202 through the liquid inlet pipe 201. When the crude oil passes through the liquid measuring chamber 202, it impacts the float 304 in the liquid measuring chamber 202, causing the float 304 to rise to a certain height and produce different height fluctuations of the float 304 according to different liquid volumes. A float connecting rod 305 is provided on the top of the float 304. An induction magnet 206 is provided in a groove on the top of the float connecting rod 305, which changes with the height of the float 304. The height change of the induction magnet 206 is related to the change in magnetic field strength sensed by the Hall effect sensor 205 provided at the bottom of the electrical component fixing cylinder 204. The height change of the induction magnet 206 can be calculated by the Hall effect, thereby determining the height change of the float 304. The microprocessor within the integrated circuit of digital display 306 is calibrated using the metal tube float flowmeter's metering formula, crude oil temperature, crude oil viscosity, and other well parameters. It then analyzes the acquired float 304 height change data to determine the instantaneous and cumulative crude oil flow rate. These values ​​are then stored in a data storage unit within the integrated circuit of digital display 306. The measured crude oil flow rate data can be visually read via the LED display within digital display 306 or transmitted to a user terminal via a data transmission module within the integrated circuit of digital display 306. The crude oil passes through liquid measuring chamber 202 and is subsequently discharged through liquid outlet pipe 203 and outlet 102.

[0014] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles described in the utility model. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A local liquid metering device, characterized in that: It includes a liquid inlet, a liquid outlet, a liquid inlet pipe, a liquid measuring cavity, a liquid outlet pipe, an electrical component fixing cylinder, a Hall sensor, an induction magnet, a cone tube support bracket, a cone tube, a float connecting rod fixing bracket, a float, a float connecting rod, and a digital display instrument; the liquid inlet is an inlet for a local liquid metering device; the liquid inlet pipe is connected to the liquid inlet; the liquid measuring cavity is connected to the liquid inlet pipe, and the liquid measuring cavity is an area that measures the flow of crude oil when crude oil flows through it. The inside of the liquid measuring cavity is provided with a cone tube support bracket, a cone tube, a float, a float connecting rod, and a float connecting rod fixing bracket; the cone tube support bracket is fixed to the inner wall of the liquid measuring cavity; the cone tube support bracket is used The conical tube is fixed; the conical tube is used to support the float; the top of the float is connected to the float connecting rod; the top of the float connecting rod is provided with a groove, and the groove is embedded with an induction magnet; the float connecting rod fixing frame is used to straighten the float connecting rod; the liquid outlet pipe is connected to the liquid measuring cavity; an electrical component fixing cylinder is provided inside the liquid outlet pipe; a Hall sensor is provided at the bottom of the electrical component fixing cylinder; the Hall sensor is used to generate Hall induction with the induction magnet and can detect the moving height of the induction magnet; a data connection wire is provided in the electrical component fixing cylinder, and the data wire is respectively connected to the digital display instrument and the Hall sensor; the liquid outlet is connected to the liquid outlet pipe.

2. A local liquid metering device according to claim 1, characterized in that: The digital display instrument is located outside the liquid outlet pipe and is provided with an LED display screen.

3. A local liquid metering device according to claim 1, characterized in that: The digital display instrument is internally provided with an integrated circuit, which is provided with a data processor, a data storage unit and a data transmission module. The data processor is used to process the original data of the measured liquid volume, the data storage unit is used to store the liquid volume data, and the data transmission module is used to transmit the data analyzed and processed by the data processor to the user terminal.

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