And limited water cut of heavy oil reservoir by water flood curve method is studied, establishing the correlation of water cut vs average oil production of single well.
对确定稠油油藏水驱曲线方法的极限含水率进行了研究,建立了含水率与平均单井日产油关系式。
It can be seen that the frequency curve calculation is basically reasonable and show the estimation of "1482 flood" return period is rational after putting palaeofloods into flood series.
把古洪水加入到洪水系列后进行频率计算,可以看出频率曲线基本合理,说明对1482年洪水重现期的判断是合理的。
Based on the flood level frequency curve, hydrological failure risk was divided into flood overflowing risk and flood overtopping risk.
基于推求的洪水位频率曲线,将堤防水文失事风险分为洪水漫溢风险和洪水漫顶风险。
Regional flood frequency analysis for un-gauged basins included selecting a pooling-group, estimating the index flood, deriving pooled growth curve and fitting flood frequency curve for tested basin.
无资料地区设计洪水的区域频率分析包括选择相似流域组、估计指标洪水以及推求区域综合增长曲线和设计流域的洪水频率曲线。
A new method of least square is raised in curve fitting of flood frequency calculating and its specific properties are analysed.
提出了在洪水频率计算时适线法中最小二乘方的一种新的求解方法,并对其特性进行分析。
The results of flood carrying capacity curve and discharge coefficient for camel hump weir and broad crested weir have been obtained by sectional hydraulic model test of Miaozitou sluice.
通过庙子头水电站两种堰型选择水闸断面模型试验研究,获得了宽顶堰与驼峰堰的泄流能力曲线和综合流量系数等试验成果。
When applied to flood routing for the river reach in large water years the curve obviously improves the simulated flood processes especially the result of the highest water stage.
应用到大洪水年份河段洪水演进中,显著地提高了洪水过程特别是最高洪水位的拟合精度。
The curve fitting is made for the experience subjection function, on the basis of flood period division, in order to provide theory support for flood limit level;
在汛期分期的基础上,对经验隶属函数进行曲线拟合得到理论隶属度,其为防洪限制水位线提供理论支持;
Moreover, under the situation of uncertainties in large historical flood, the quantities estimated by probability weighted moments may be more robust than those by a optimal curve fitting method.
在历史洪水存在不确定性情况下,以概率权重矩法估计的参数稳健性优于优化适线法。
Moreover, under the situation of uncertainties in large historical flood, the quantities estimated by probability weighted moments may be more robust than those by a optimal curve fitting method.
在历史洪水存在不确定性情况下,以概率权重矩法估计的参数稳健性优于优化适线法。
应用推荐