Electromagnetic flow meter scale traffic monitoring system

Abstract: the electromagnetic flow meter scale traffic monitoring system information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Drilling fluid outlet flow is a key parameter to determine the drilling site kick the overflow, in order to realize the safe, fast and economical drilling, the drilling fluid, real-time and accurate quantitative monitoring is especially important. At present domestic is general by comprehensive logging instrument pool size parameters. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the flow of electromagnetic flow meter scale monitoring system the article details. Drilling fluid outlet flow is a key parameter to determine the drilling site kick the overflow, in order to realize the safe, fast and economical drilling, the drilling fluid, real-time and accurate quantitative monitoring is especially important. At present domestic is general by comprehensive logging instrument pool volume parameter monitoring and to compare the artificial timing observation, records, and to determine whether the overflow or lost circulation, etc. This judgment method and automation degree is low, cannot achieve quantitative detection, and overflow later find time. In the drilling fluid in recent years have made a new breakthrough, quantitative monitoring technology introduction of mass flowmeter and electromagnetic flowmeter in the process of two kinds of equipment used in oil drilling quantitative monitoring of drilling and completion fluid. Although mass flowmeter has the advantages of high measuring precision, good stability, but there are expensive, complex faults such as on-site installation, so the more quantitative monitoring drilling field drilling fluid flow using electromagnetic flowmeter. Electromagnetic flowmeter restricted by measuring principle, in order to ensure the accuracy of measurement, the fluid flowing through the flow meter of both before and after the pipe need to meet the full package state, has a limit on the installation of the electromagnetic flowmeter using; When large amounts of fluid flow, and other fixed diameter electromagnetic flowmeter can produce inhibition to flow through, resulting in the drilling fluid backflow, the impact on the safety of drilling operation. In this paper, through the study of the hydraulics of drilling fluid return line velocity field simulation, analysis of fluid flow law of return pipe, optimize the structure of the outlet flow monitoring system design; Quantitative monitoring and design the drilling fluid flow shunt device, overcome the drilling fluid backflow problem of heavy traffic condition; So as to meet the needs of electromagnetic flowmeter with tube measurement conditions, improve the applicability and flowmeter measurement accuracy, and achieve the real-time accurate monitoring of the drilling fluid outlet flow, to the overflow of accurate warning and the safety of drilling construction provides support, reduce the blowout of the underground oil and gas layer and kill the damage, so as to improve the economic and social benefits, reduce the impact on the environment. 1 status monitoring at home and abroad and the overflow of overflow monitoring methods at home and abroad, main research direction to focus on micro flow and pressure monitoring. Micro flow monitoring gradually developed including wellhead catheter liquid level monitor technology, drilling fluid flow meter monitoring technology, improve traffic monitoring technology, pressure monitoring has while drilling annulus pressure measurement technology, the vertical pressure casing pressure monitoring technology and acoustic monitoring technology. Guo yuan identical people synthesis is given from the aspects of improving equipment and analysis type is not with the overflow of the monitoring method of comparative analysis [ 1] 。 At present domestic to overflow, kick monitoring of complex conditions, generally is by the drilling parameters instrument, comprehensive logging instrument pool volume parameter monitoring and artificial timing observation, records, and add to contrast, judge whether the overflow or lost circulation, etc. This judgment method automation degree and precision is low, the overflow later find time; In addition to early overflow monitoring field of research work has focused on volume change of mud storage area domain accurate measurement, which can according to the difference between in and out of the mud overflow condition. Because the volume is larger, the basis of the storage area of small flow range is not easy to measure, in addition add auxiliary facilities, increase the complexity of construction, and the range of liquid level fluctuation is influenced by environmental factors, thus fundamentally determines the lower measuring accuracy and found that the warning time delay. Usually appears in the process of drilling, the liquid level changes to the blowout time is shorter, from finding the overflow to the most well blowout time only 5 ~ 10 min, some time is shorter, and even overflow and blowout occurred at the same time, almost no emergency response time. Overflow monitoring principle is not complicated, but because of the fuzziness and uncertainty of the overflow, measurement conditions and the limitation of the equipment, and the shortcomings of the monitoring plan, make the overflow monitoring can not reach the desired effect. Through the analysis about the present situation of the overflow of the monitoring at home and abroad, it can be seen that the underground pressure and strata factor is the cause, changing flow of other engineering parameters change is indirect effects of fluid state change as a result, and the change of the amount of fluid flow is directly reflect the state of overflow zui, select export traffic monitoring technology for early breakthrough that can judge the overflow condition, reasonable selection is based on the logging technology in our country the status quo.

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