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Movable type two-phase moisture flowmeter calibration method and device for gas field

A technology for calibrating devices and flowmeters, applied in measurement devices, test/calibration devices, liquid/fluid solids measurement, etc., can solve the problems of long calibration time and troublesome calibration process of two-phase flowmeters, reduce errors and simplify operations , the effect of reducing costs

Active Publication Date: 2018-07-10
北京大漠石油工程技术有限公司
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  • Abstract
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a gas field mobile wet gas two-phase flowmeter calibration method and device to solve the problems of long calibration time and troublesome calibration process of the two-phase flowmeter in the prior art

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  • Movable type two-phase moisture flowmeter calibration method and device for gas field

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Embodiment Construction

[0026] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0027] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0028] In the present invention, unless stated otherwise, the used orientation words such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the parts themselves in the vertical, In terms of vertical or gravitational direction; similarly, for the convenience of understanding and description, "inner and outer" re...

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Abstract

The invention provides a movable type two-phase moisture flowmeter calibration method and device for a gas field. In a calibration process, the movable type two-phase moisture flowmeter calibration device for the gas field is connected to a downstream position of a moisture flowmeter in a gas pipeline, water-containing natural gas coming from the upstream position passes through the moisture flowmeter and enters the movable type two-phase moisture flowmeter calibration device for the gas field, after repeated separation, dry gas is separated out by a senior orifice valve, a liquid is separatedout by a mass flowmeter through metering, values are compared with metering values of the two-phase flowmeter, the two-phase flowmeter is adjusted and corrected, and calibration can be realized.

Description

technical field [0001] The invention relates to the technical field of gas field metering, in particular to a calibration method and device for a mobile wet gas two-phase flowmeter in a gas field. Background technique [0002] Two-phase flow or multiphase flow widely exists in the process of gas field exploitation and transportation. Most gas fields at home and abroad still adopt the method of separation first and then measurement for the measurement of two-phase flow. However, the separation equipment is not only huge in size and takes up a lot of land, but also expensive. The measurement accuracy of gas-liquid two-phase flow is affected by many factors. If the gas-liquid two-phase cannot be completely separated or the single-phase flowmeter cannot be installed and operated according to the standard requirements, the measurement accuracy will be seriously affected. [0003] Since the early 1980s, many university research institutes, instrumentation companies, and oil compa...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F25/00
CPCG01F25/10
Inventor 葛豪飞关晓明李进李淼滢张英昌刘旭刘慧文
Owner 北京大漠石油工程技术有限公司
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