cement float shoe,cementing float shoe

CWCTInject-Ⅰ high-temperature high-pressure water flooding instrument;

CWCTInject-Ⅰ型高温高压注水仪

Measures of energy saving by adjusting input voltage of electromotor in water flooding system;

注水系统调电压法的节能措施

Water flooding out characteristics of Anan sandstone oil reservoir at its medium later development stage.;

阿南砂岩油藏注水开发中后期水淹特征

Experiment research on particulate movement caused by water injection in Xifeng Oilfield;

西峰油田注水引起的微粒运移实验研究

Study on reservoir protection technology during water injection of low permeability oilfield;

低渗油田注水过程中储层保护技术研究

Current situation of water injection and its influence on reservoirs in Shengli Oilfield;

胜利油田注水现状及对储集层的影响

The effective driving pressure system study and adjustment techniques of waterflooding in Ansai oil field;

安塞油田特低渗透油藏有效驱替压力系统研究及注水开发调整技术

Seismic monitoring research on waterflooding in thin-interhedded reservoir;

薄互层油藏注水地震监测理论研究

Preliminary approach to the ways of improving waterflooding development efficiency in the high water cut period of Linpan oil field;

临盘油田高含水期改善注水开发效果的途径探讨

Method of Enhancing Waterflood Efficiency in Wenmingzhai Oilfield;

文明寨油田提高注水效益的方法

Simulation studies of waterflood performance with horizontal wells.;

水平井注水动态模拟研究

Study on improving the injection system efficiency in Erlian Oilfield.;

提高二连油田注水系统效率技术

Application of Separated Layer Starting Pressure Testing String in Injection Well;

注水井分层启动压力测试管柱的应用

Redesign of energy saving for injection system in oil field;

油田注水系统的节能改造