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The accurate measurement of water content of crude oil has a close relation to the dielectric constant, electrical conductivity, temperature and oil field conditions. On the basis of the amplitude attenuation and phase difference of electromagnetic wave transmitting in crude oil and the relations to ...
1.In conventional demulsifier used in the field,dewatering in crude oil is slow,water content of crude oiland oil content in sewage a.由于外来的表面活性剂以及高分子聚合物进入油藏,导致原油产出液形成的O/W乳状液比较稳定,现场使用常规的破乳剂存在原油脱水速度慢,脱水后原油含水率以及污水含油率高,不能...
Protection grade IP65 Singal output 4-20mA Shell Die-cast aluminum Minimum dielectric constant 1.8 Supply voltage 24VDC Packaging and delivery Selling Units: Single item Single package size: 130X29.5X28 cm Single gross weight: 4.000 kg Show more ...
EVALUATING THE EFFECTIVENESS OF DEMULSIFER IN WATER AND OIL EMULSION Finding from the study revealed that the effectiveness of any demulsifier is dependent on the dielectric constant of demulsifier, emulsion sample, PH value ... AK Emeche,DC Okujagu,E Okwu 被引量: 0发表: 0年 加载更多来源...
The behaviour of different types of water-in-oil emulsions in high electric fields as investigated by means of time-domain dielectric spectroscopy (TDS) is reported. The studied emulsions include true crude-oil-based ones as well as model systems stabilised by indigenous crude oil fractions or, ...
Gögelein and coworkers36 and Gräbner and coworkers37 explained the phenomenon based on the fact that the dielectric constant of glycerol is much lower than that of water, while its refractive index is higher. When the absolute values of these parameters are introduced into the Lifshitz ...
It is hard to measure the water content of crude oil precisely because the dielectric constant of crude oil varies greatly when displacing agent and emulsion breaker are injected. 驱油剂、破乳剂的注入引起含水原油介电常数的较大变化,难以实现原油含水率的精确测量。 更多例句>> 3...
The `in situ` probe will have a high intrinsic capacitance approaching that of air, which has a dielectric constant equal to 1 . The probe placed within the pipeline shall offer a minimal impedance to flow of the crude oil and the oil's normal impurities and sediments. The probe will ...
Measurement of BSW in crude oil streams To improve both the accuracy and reliability of capacitance- type basic sediment and water (BS & W) recorders, it is desirable to provide a clean, dry reference stream whose dielectric constant can be compared to that of a wet stream. Th... TL ...