Development of the sewerage collection and treatment system will be basically accomplished and sewerage percolation pits in the protection zone of ground drinking water sources will all been eliminated.
基本完成城市污水排除与处理系统建设，取消地下水饮用水源地防护区范围内的污水渗井、渗坑。
The water filtered through the sandy soil and into the well.
水渗透砂土而流入井里。
leakage of sewage into distribution systems,
污水渗入给水系统，
The Study of Seepage Flow Law on Horizontal Wells Developing in Low Permeability Reservoir
低渗透油藏水平井开发渗流规律研究
The Study of Integral Development Percolation Theory with Horizontal Well and Vertical Well;
水平井与直井整体开发渗流理论研究
Study on Productivity of Low Permeability Reservoir Developed by Horizontal Well Pattern
低渗透油藏水平井井网开发产能研究
A New Model of Productivity Prediction for Low-Permeability Reservoirs Before and After Damage
低渗透油藏污染井污染前后的产能预测新模型
Raise construction for vertical coal bunker:technical practice in shaft wall water leakage prevention and control
立井煤仓反井施工及井壁防渗漏水技术的实践
Measurement analysis of existing water channel conducing mine flood
矿井水灾之渗水通道存在的实测分析
The Research and Application of the Ring Width of Downinfiltration of the River Water of the Infiltration Well on the River Bed
河床渗井河水下渗环形宽度的研究与应用
Borehole Stablity Analysis of Horizontal Well with Elasto-Plastic Seepage
水平井井壁稳定性弹塑性渗流有限元分析
Study on Optimization Design Method of Horizontal Wells Pattern with Low Permeability
低渗透油藏水平井井网优化设计方法研究
Optimization of Well Pattern Using Horizontal Well for the Development of Low Permeability Reservoirs
低渗砂岩油藏水平井开发井网模式优选
An analysis on influential parameters for modeling permeability profile during underbalanced drilling in horizontal wells
水平井负压钻井渗透率剖面计算模型影响参数
PREDICTING PRODUCTIVITY OF HORIZONTAL WELLS IN LOW PERMEABLE OILFIELDS
低渗透油田水平井产能预测方法研究
Researches of Percolation Flow Theory and Deliverability Calculation Method for Horizontal Well
水平井渗流理论及产能评价方法研究
The Research for Horizontal Wells Productivity Evaluation Method in Low Permeability Reservoirs
低渗透油藏水平井产能评价方法研究
Research on Factors Effecting Horizontal Well Productivity of Low Permeable Reservoir
低渗透油藏水平井产能影响因素研究