The curve leagth at delayedstagnant nit6rval and investigation depth,the intersection angle between bed boundary and borehole,stratigraphic dip and inclination,logging method are influened by different direction.

• 曲线的延滞区间的长度与仪器探测深度、地层界面同井眼的交角、地层倾角及倾向、测井方法是否具方向性有关。