| 1. | Study on the property of oil - base paraffin remover
油基清蜡剂性能研究 |
| 2. | A design of automatic anti flush filter machine
一种新型油田用清蜡车 |
| 3. | Boiler truck , de - wax truck , machine shop truck , pipe trailer , acidizing truck , oil - tanker , and etc
锅炉车、清蜡车、工程车、管子拖车、酸泵车、油罐车 |
| 4. | The technology mentioned could prolong the service life of old pipe , reduce eccentric wearing , and extend the wax removal cycle
对延长旧管使用寿命，减少杆管偏磨，延长油井清蜡周期具有良好的效果。 |
| 5. | The working principle , design features and advantages and disadvantages of ball type and tooth type steppiing paraffin removal units are introduced
介绍了球1型、球2型、齿2 1型和齿4型步进式清蜡器的工作原理、结构特点及优缺点。 |
| 6. | Its application proves that it can prolong the paraffin removing period and reduce the well - flushing times with an apparent economic benefit
通过实践证明，该种清防蜡剂可延长清蜡周期，减少洗井次数，经济效益显著，值得广泛推广。 |
| 7. | Abstract : the working principle , design features and advantages and disadvantages of ball type and tooth type steppiing paraffin removal units are introduced
文摘:介绍了球1型、球2型、齿2 1型和齿4型步进式清蜡器的工作原理、结构特点及优缺点。 |
| 8. | The ball type paraffin removal unit has low reliability in moving ; while the tooth type unit has the disadvantages of teeth being apt to break and causing damage of tubing inwall
球型清蜡器的主要缺点是运动的可靠性差，一旦钢球丧失锁紧功能，将失去“步进足”的作用；而齿型清蜡器的步进齿易破损及齿尖易刺伤油管内壁。 |
| 9. | The characteristics and basic conceptions of waxen crude oil are detailed summarized , the technology of wax removal and inhibition , especially mechanism and field application in shengli oilfield of wax removal and inhibition in crude oil of microorganisms used for oil recovery are introduced , the directions of wax removal and inhibition in crude oil are mainly based on wax inhibition , wax removal is secondary
摘要阐述了含蜡原油及其特点、含蜡原油表征的基本概念，详细概述了原油清防蜡技术，重点介绍了微生物清防蜡的机理及其在胜利油田的矿场应用情况，提出了今后的原油清防蜡技术研究应以防蜡技术为主，清蜡技术为辅的总体方向发展。 |
| 10. | Thereby measures for improvement are put forward : ( 1 ) adopting a small wheel to replace the steel ball of the ball type unit to ensure more reliable motion of the creeping device ; ( 2 ) applying expansible metallic ring replacing the step - by - step teeth on tooth type unit ; ( 3 ) fixing a sensor in the reversing device for obtaining the information of motion and wear of the creeping device
为此，提出改进措施： 1 .对球型步进式清蜡器采用带穿轴的小轮代替钢球，可使爬行器运动更可靠； 2 .对齿型步进式清蜡器，采用可胀紧金属环代替步进齿，金属环依靠抽油机的冲程力胀大后使爬行器固定，反冲程力使金属环缩小； 3 .将传感器装在换向器内，根据信号的时间间隔判断爬行器的运行速度及磨损等情况。 |
