CN201094077Y - Weighing type crude oil output metering device - Google Patents

Abstract

The utility model provides a weighing type crude oil output metering device, by metering device jar body 1, separation umbrella 2, collection oil cap 3, right wheel 4, call oil tank 5, weighing sensor 6, drain 7, industrial computer system 8, oil pump 9, prevent spouting baffle 10, crude oil entry 11, natural gas export 12 and constitute, the utility model discloses owing to adopted at parts such as separator internally mounted separation umbrella, collection oil cap, call oil tank, electronic weighing platform, play oil pump, pressure sensor, the outside analog signal who weighs converts digital signal into through the AD converter plate. According to the liquid production capacity of the single-well crude oil, the metering time of the crude oil is controlled by a computer, and the accurate metering of the daily yield of the crude oil is realized. In addition, the automatic control of the starting and the transportation of the oil outlet pump is realized through the arrangement of the safe liquid level of the symmetrical oil tank, and the safe operation of the metering device under the unmanned condition can be ensured. Especially, the method is accurate to the output measurement of the extra-thick crude oil under the condition of low liquid yield.

Description

A weighing type crude oil production measuring device

Technical field:

The utility model relates to a crude oil output measuring device, in particular to a weighing type crude oil output measuring device.

Background technique:

Oil well production measurement is an important daily work of crude oil production units. At present, in crude oil metering technology in oil fields, when the liquid production rate of the oil well is low and the gas-liquid ratio is high, the metering station mostly uses the oil-gas separator metering method, and the metering device has two types of tipping bucket and glass tube oil metering. The tipping bucket type is a weighing type measurement, and there is an error of remaining oil. The higher the viscosity of the crude oil, the greater the error; the glass tube oil measurement is a volumetric measurement, and there are errors in the volume and density of the crude oil. Since the measured medium includes not only crude oil, but also water and Natural gas, so the density of the mixed medium in the container is not uniform, and the density changes in real time, resulting in false volume errors caused by gas contained in oil and gas. In addition, most of the existing oil field production metering devices are manually controlled and cannot be automatically metered, which also causes a lot of waste of human resources.

Utility model content:

The purpose of the utility model is to provide a weighing type crude oil production measuring device. The metering device can meet the requirements of accurate metering under the conditions of low liquid production, high gas-liquid ratio, high water content and extra thick crude oil, especially for the measurement of extra thick crude oil under low liquid production.

The utility model is achieved in that by metering device tank body (1), separation umbrella (2), oil collecting cap (3), righting wheel (4), weighing oil tank (5), load cell (6), It is composed of sewage outlet (7), industrial computer system (8), oil outlet pump (9), blowout baffle (10), crude oil inlet (11), and natural gas outlet (12). It is connected with the crude oil inlet (11), the natural gas outlet (12), the oil outlet pump (9) connected in the middle, and the sewage outlet (7) and the industrial computer system (8) are respectively connected to the lower part of it, in the metering device tank (1) There is a separation umbrella (2) on the upper part, and it is sequentially connected with an oil collecting cap (3), a centering wheel (4), a weighing tank (5), a load cell (6), a load cell (6) and an industrial computer system ( 8) Connect.

Because the utility model adopts components such as a separation umbrella, an oil collecting cap, a weighing tank, an electronic weighing platform, an oil outlet pump, and a pressure sensor installed inside the separator, the analog signal of weighing is converted into a digital signal through an A/D conversion board on the outside. Signal. According to the liquid production capacity of single well crude oil, the accurate measurement of daily crude oil production is realized by using the computer to control the crude oil measurement time. In addition, through the setting of the safe liquid level of the symmetrical oil tank, the automatic control of the start-up and delivery of the oil delivery pump can be realized, which can ensure the safe operation of the metering device under the condition of no one. The device uses the effective combination of computer automatic control and weighing measurement method, which can solve the problems of time-consuming, labor-intensive measurement, inaccurate measurement and high investment in the past, especially for the measurement of extra viscous crude oil under low liquid production rate. The structure is simple, the operation is easy, and it is very suitable for on-site application.

Description of drawings:

Accompanying drawing 1 is the structural representation of the utility model.

Detailed ways:

The utility model is provided by the following embodiments, which will be described below in conjunction with the accompanying drawings.

As shown in the figure, the utility model consists of a metering device tank body 1, a separation umbrella 2, an oil collecting cap 3, a centering wheel 4, an oil weighing tank 5, a weighing sensor 6, a sewage outlet 7, an industrial computer system 8, and an oil outlet pump 9 , a blowout baffle 10, a crude oil inlet 11, and a natural gas outlet 12. The upper part of the metering device tank body 1 is respectively connected with a crude oil inlet 11, a natural gas outlet 12, an oil outlet pump 9 is connected in the middle, and a sewage outlet 7, The industrial computer system 8 has a separation umbrella 2 in the upper part of the tank body 1 of the metering device, and is sequentially connected with an oil collecting cap 3, a centering wheel 4, a weighing tank 5, a weighing sensor 6, a weighing sensor 6 and an industrial computer system 8 connect.

Claims (1)

1. A weighing type crude oil output metering device, consisting of a metering device tank (1), a separation umbrella (2), an oil collecting cap (3), a centering wheel (4), a weighing tank (5), and a weighing sensor (6), composed of sewage outlet (7), industrial computer system (8), oil outlet pump (9), blowout prevention baffle (10), crude oil inlet (11), natural gas outlet (12), is characterized in that: The upper part of the device tank (1) is respectively connected with a crude oil inlet (11), a natural gas outlet (12), an oil outlet pump (9) is connected in the middle, and a sewage outlet (7) and an industrial computer system (8) are respectively connected at its lower part. There is a separation umbrella (2) in the upper part of the tank body (1) of the metering device, and it is connected in turn with an oil collecting cap (3), a centering wheel (4), a weighing tank (5), a weighing sensor (6), and a weighing sensor (6) is connected with the industrial computer system (8).

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