1、

Biaxial stress of ferromagnetic materials and residual stress of welding components have been measured by using the relation between Barkhausen effeet based on the law of approach to saturation magnetization and internal stress.

利用该技术,以近饱和磁化产生的巴克豪森效应与应力的关系,测量了铁磁构件的二轴应力和焊接构件的残余应力。

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2、

The residual magnetic flux intensity makes the starting work point of current transformer change on B-H curve, and hence the magnetic saturation state is aggravated in shorter time, which is the main reason to cause the misoperation accident of differential protection.

铁心剩磁的存在使电流互感器在B-H曲线上的起始工作点发生变化,加重了饱和程度和缩短进入饱和时间,这是差动保护误动的重要原因。

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3、

The results show that static residual oil saturation can be obtained by time-average equation and on the contrary dynamic residual oil saturation ( the change rate of saturation) can be gained through integrated time-average equation with time migration seismic technique.

结果表明,由时间平均方程可以求得静态剩余油饱和度;将时间平均方程与时移地震相结合,可以获得动态剩余油饱和度(饱和度的变化率)。

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4、

Quantitative relationship between the dynamic residual oil saturation and cumulative water intake capacity per meter is built through the interpretation of field data providing new thought for the study of remaining oil distribution.

通过现场实测资料的解释,建立了动态残余油饱和度与吸水层每米累计吸水量的定量关系,为剩余油分布研究提供新思路。

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5、

method of determining dynamic residual oil saturation in water intake layer using water-intake profile data

应用吸水剖面资料确定吸水层动态残余油饱和度的方法

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6、

the relative permeability of water phase is generally low under residual oil saturation;

残余油饱和度条件下的水相相对渗透率值总体比较低;

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7、

The logging technique is an important and efficient method to detect the residual oil saturation.

测井技术是探测水驱油田剩余油饱和度的重要方法和有效手段.

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8、

The need for determining residual oil saturation ( S OR ) has existed.

测残余油 饱和度 的方法较多,但各有优缺点.

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9、

Evaluation of residual oil saturation is the difficulty and key in the water flooding zone interpretation.

剩余油饱和度评价是油田水淹层测井评价中的重点和难点.

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10、

Study on Residual oil Saturation and Its Distribution in Block Shen 84 Reservoir

沈84块油藏剩余油饱和度及其分布富集研究

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