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Fluid contaminant detection using noise levels in magnetic flow meter sensor signals

A sensor signal, noise level technology, applied in the application of electromagnetic flowmeters to detect fluid flow, liquid/fluid solids measurement, measurement flow/mass flow, etc., can solve problems such as easy adhesion

Active Publication Date: 2020-03-13
MICRO MOTION INC
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, these valves are prone to sticking due to sand and other debris present in the inflow to the separator

Method used

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  • Fluid contaminant detection using noise levels in magnetic flow meter sensor signals
  • Fluid contaminant detection using noise levels in magnetic flow meter sensor signals
  • Fluid contaminant detection using noise levels in magnetic flow meter sensor signals

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Embodiment Construction

[0032] Embodiments described below provide process transmitters that detect when a conductive liquid carried by a pipe contains a contaminant such as a gas, another liquid, or particles such as sand. Process transmitters make these determinations by monitoring the noise level in the magnetic flowmeter sensor signal. The inventors have found that as the amount of contaminants in the liquid increases, the noise level of the sensor signal of the magnetic flowmeter increases.

[0033] figure 1 An example environment 100 is provided in which flow meters 104 of various embodiments may be used. Environment 100 includes a separator tank 106 capable of separating an influent 108 into various components including water 110 , oil 112 , and gas 114 . In some embodiments, inflow 108 may come from a wellhead.

[0034] The separator tank 106 includes an inlet baffle 116 and a quieting baffle 118 for reducing the velocity of the influent 108 to allow the components of the influent 108 to s...

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Abstract

A magnetic flow meter includes electrode sensors generating a sensor signal indicative of flow of a liquid through a conduit. A noise identification module identifies a noise level in the sensor signal and a contaminant identification module uses the noise level to determine whether there is a contaminant in the liquid in the conduit.

Description

technical field [0001] The present invention relates to fluid contamination detection using noise levels in magnetic flowmeter sensor signals. Background technique [0002] Oil wells bring fossil fuels from the ground to the surface. In many wells, the output of the well includes a combination of oil, natural gas, water, and solid materials such as sand or silt. Separators are located on onshore well pads and offshore platforms to separate oil and gas from each other and from water and solid debris. [0003] There are many types of density separators, but they all function in the same way, separating the components of the well output by using gravity and layers of emulsifiers. In particular, separators slow down fluid flow, allowing heavier sand and water to separate from oil. Water and solid materials pass through the emulsifier layer while oil remains on top of the emulsifier layer. Space is provided above the oil to allow the gas to separate from the oil. One or more...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/00G01F1/60G01F1/74G01F1/58G01F1/588G01M3/26G01N27/74G01N33/2835G01N33/2841
Inventor 斯科特·罗纳德·福斯安德鲁·托马斯·克莱恩
Owner MICRO MOTION INC
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