Killing well in deep water should be executed with a relatively slow circulating rate to avoid formation leaking or fracturing, and sometimes it is even cannot completed successfully due to the narrow safe operating mud window.
从安全的角度多方面考虑了压井过程中的约束条件后结合“压井时间最短”这一原则,建立了用于优化压井排量和附加流速比两个参数的非线性规划方程组,并给出了求解步骤和算例。
In order to improve the efficiency of mine pump selection and realize resource share,invokes the component compiled by visual basic using ASP technology,performance graph is generated dynamically in Web and mine pump selection based on Web is realized.
为提高矿井排水泵的选型效率,实现资源技术共享,利用ASP技术,调用VB编写的ActiveX组件,在网上动态生成性能曲线图,实现了矿井排水泵的网络选型。
Mine Pump Selection and Performance Curve Drawing Based on ASP Technology
基于ASP技术的矿井排水泵在线选型及性能曲线绘制
PLC Reconstruction of Electric Control System in Sewerage of Underground Central Pump Room
煤矿井下中央泵房排水设备电控系统的PLC改造
In the mine drainage system many drainage pumps must work correspondly.
在煤矿井下的排水系统中，需要多台排水泵协调地工作。
Study of Cavitation of Centrifugal Water Pump in Mines
基于矿井离心式水泵汽蚀条件的探讨
Application of PLC in Auto-control System of Mine Pump
基于PLC的矿井水泵自动控制系统
Frequency Conversion Technology Hits Target in Shaft Winch and Water Pump Applying
变频技术在矿井绞车和水泵中的应用
System Design of Hydraulic for Jet Pump Rank Sand
用于油井排砂的水力喷射泵系统设计
Application of Mine Well Draining and Controling System in Zhangji Coal Mine
矿井排水控制系统在张集煤矿的应用
Research on Determination of Parameter of Mine Pumps
矿用排水泵性能参数测定方法的研究
Study on Checking Methods of Efficiency of In-Service Mine Water Pump
矿山在用排水泵效率检验方法的研究
Study on Water Sump Level Monitoring System of Central Pumping House under Mine
煤矿井下中央泵房水仓水位监测系统的设计
Drainage Gas Recovery Technique of Combing ESP and Gas Lift for Gas Wells with Large Water Production
大水量气井电潜泵—气举组合排水采气工艺设计
Experimental Study on the Utilization Technology of Drainage Pit Mine Water of HaiZhou Open Pit;
海州矿排水坑矿井水资源化利用技术实验研究
Remote Browsing Control System in Mine Pump Based on OPC
基于OPC技术的矿井水泵远程浏览控制系统
Practice of Reducing Pollution Discharge and Utilizing Water Resource in Underground Mine
煤矿井下水资源合理利用与减排实践
Design and analysis of water storage-drainage system in abandoned roadway of mine
矿井废弃巷道蓄排水系统设计与分析
Design of Mine Automatic Drainage System Based on PLC
基于PLC的矿井自动排水系统设计
Fuzzy comprehensive safety assessment of mine drainage system
矿井排水系统安全性的模糊综合评价