five-spot

Application of artificial neural network to optimizing five-spot horizontal well patterns

应用人工神经网络优化五点法水平井井网

The numerical simulation of a horizontal well five-spot pattern . ped

水平井五点法面积井网的数值模拟研究

Theoretical analysis of two-phase porous flow in low-permeability oil reservoirs in a five-spot pattern

低渗透油层压裂五点井网两相流动理论分析

Adjusted the well pattern from inverted nine-spot to five-spot will improve the oil production and recovery .

将反九点井网调整为五点井网可以提高油田开发效果；

the desert five-spot , a delicate pink flower with five burgundy spots around its center ;

沙漠五点花，其花朵粉嫩，花瓣上有五个酒红色的点分布在花心周围；

It is also discussed to the flow theory of the well-to-well tracer in detail and the flow character in the five-spot well system in the thesis ;

同时本文也详细地论述了井间示踪剂流动机理和在五点井网中的流动特征；

The new maths model can be apply to forecasting of line drive gas injection , and can be popularized to five-spot and other areal well pattern .

本文所建立的数学模型可以进行行列式注气井网开发指标的预测，也可以推广应用于五点法和其它面积井网注气开发指标计算。

We can get the changing regular pattern of sweep efficiency for different mobility ratios by solving the mathematic model in the streamtube model of five-spot pattern .

在均质油藏五点井网流管模型内求解该聚驱一维数学模型，可以得到不同流度比条件下波及系数的变化规律。

Under the same well space and production conditions , the water breakthrough time of five-spot pattern is longer than that of seven-spot and nine-spot pattern .

相同的井距和生产条件下，五点法井网的见水时间要长于九点法和七点法井网；

Introduced the wavelet analysis theory , on the basis of Newton-Cotes integration method , five-spot triple smoothing method , the real time-history curves were obtained with Matlab programs .

并引入小波分析理论，根据牛顿-柯特斯法积分法，五点三次平滑法，结合matlab软件编程，获取了更真实的动态时程响应曲线。

Numerical simulation of integrated fracturing project are completed by using three-dimension black oil model , production performance are predicted with favorable and unfavorable situation at inverted nine-spot and five-spot well pattern .

以三维黑油模型为基础，进行整体压裂方案数值模拟，给出了不同井网模式下裂缝有利和不利状态的生产动态预测曲线。

Field soybeans were collected by five-spot sampling from Harbin , Heihe , Jiamusi , Shuangyashan and Jixi of Heilongjiang province and 210 samples were gained .

对黑龙江省哈尔滨、黑河、佳木斯、双鸭山、鸡西地区的大豆田进行五点取样，共采集210份检测样品。

With the increase of angle between the horizontal well and the horizontal direction , the water breakthrough time shortens in five-spot well pattern , firstly increases and then decreases in seven-spot pattern , and increases in nine-spot pattern .

随水平井与水平方向夹角的增大，五点法井网的见水时间缩短，七点法井网的见水时间先增加后缩短，九点法井网的见水时间增加；