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Single well metering method and device

A technology of measuring device and measuring method, which is used in surveying, earthwork drilling, wellbore/well components, etc., can solve the problems of inaccurate measurement, large gas influence, damage to measuring instruments, etc., and achieves reliable work, long service life, The effect of easy maintenance

Pending Publication Date: 2019-01-25
北京富机达能电气产品股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Oil measurement by power map, separator, and flow metering are greatly affected by gas, and the measured medium cannot contain impurities such as sand particles, otherwise the measurement will be inaccurate and the measuring instrument will be damaged

Method used

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  • Single well metering method and device

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Embodiment Construction

[0019] like figure 1 As shown, the single well metering device includes, anti-theft incubator 11, RTU12 and metering pipeline 16, metering pipeline 16 is fixed on the inner lower end of the anti-theft incubator 11 by screws, and RTU12 is fixed on the top of the anti-theft incubator 11 by screws. The metering pipeline 16 is formed by welding the inlet pipeline 13, the heating pipeline 14 and the outlet pipeline 8 in sequence. The inlet flange 1 is welded on the left side of the inlet pipeline 13. The inlet pipeline 13 is connected with the oil pipe inlet pipeline through the inlet flange 1. The upper part of the inlet pipeline 13 is The electromagnetic wave sensor 9 is installed by threads. The first temperature sensor 3 and the second temperature sensor 4 are installed by threads in the middle part of both sides of the heating pipeline 14; An explosion-proof and flame-retardant heating device 6 and an explosion-proof and flame-retardant heating device 7 are installed on the t...

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Abstract

The invention discloses a single well metering method which is characterized by including the steps: firstly, enabling a medium in a well to flow into a heating pipeline from an inlet pipeline, acquiring the initial temperature of the medium by a first temperature sensor on the heating pipeline, and transmitting the initial temperature to RTU through a signal line; secondly, heating the medium bya first anti-explosion flame-retardant heating device and a second anti-explosion flame-retardant heating device on the heating pipeline, enabling the heated medium to flow into an output pipeline, acquiring temperature of the heated medium by a second temperature sensor on the heating pipeline, and transmitting the temperature to the RTU through a signal cable; thirdly, calculating the mass M ofthe medium by the RTU through acquired temperature difference of an inlet and an outer and a formula M=Q / C / (T2-T1). The method cannot be affect by gas and is accurate in metering, the service life ofa metering device is prolonged when the device is used for the application places containing high sand and wax, the metering device cannot be easily damaged and is novel in structure, reasonable in design, reliable in working, high in automation degree, convenient to maintain and simple and convenient to install, and labor output is reduced.

Description

technical field [0001] The invention relates to a single well measurement method and device, more precisely, to a measurement device with a heating type temperature difference algorithm. Background technique [0002] At present, known and common oil well metering is oil metering by power map, oil metering by separator, and oil metering by flow rate. Oil measurement by power map, oil by separator, and flow meter are greatly affected by gas, and the measured medium cannot contain impurities such as sand particles, otherwise the measurement will be inaccurate and the measuring instrument will be damaged. Contents of the invention [0003] In view of the above, the traditional measurement methods are unable to carry out accurate measurement. The purpose of the present invention is to invent a heating type temperature difference algorithm measuring device in order to overcome the shortcomings in the prior art. [0004] Technical scheme of the present invention is as follows: ...

Claims

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Application Information

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IPC IPC(8): E21B47/00
CPCE21B47/00
Inventor 杨海增梁志宏张泰李越李云琦毕庆珠李志安田有霞史秋刚
Owner 北京富机达能电气产品股份有限公司
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