It is a big change to conventional way of drilling mud circulation.
是常规钻井泥浆循环方式的重大变革。
Due to high pressure at the outlet, it can be installed under level of mud circulation tank.
由于它的出口压力大，可以安装在泥浆循环罐面以下。
When drilling, it gives big resistance to mud circulation, which is not beneficial to bring up cutting.
常规稳定器在缩径地层起下钻易阻卡，钻进时，泥浆循环阻力大，不利于携岩。
However, on the first logging run or runs after circulation, the mud may be hottest some distance above the bottom of the hole.
但是，在第一趟测井中或者泥浆循环后测量的井底温度不是最高的，此时最高温度在井底上面的一段距离中测量出来。
Before making mud, clean all the circulation pipe-line and mud pits.
配浆前要认真清洗循环管线和配浆池。
The spread drill, application of PHP mud and choice of machine are solved by adopting two machines of KTY4000 and KPG3000A. Besides, the airlift reversing circulation is selected in slag discharge.
通过采用KTY4000型钻机和KPG3000A两种机型工程钻机成孔，排渣方式为气举反循环，以解决糊钻、PHP泥浆应用、钻机选型等问题。
To solve the problem in the well caused by the stopping of drilling mud at the time of connection, the continuous circulation drilling technology was developed initially in U.
为了解决常规钻井在上扣、卸扣时因停止泥浆循环带来的一系列井下问题，美国最早开发了连续循环钻井技术。
There is no circulation in drilling with only a little amount of mud for wall protection without pollution to the environment.
不需要泥浆循环，仅用泥浆护壁，使用泥浆少，不污染环境。
Drilling mud can clean out the cuttings by its circulation, especially for horizontal hole, it can avoid the sand-bed formation and reduce downhole troubles.
泥浆的主要功用之一是通过自身的循环，有效地清除钻孔内破碎下来的岩屑，特别是对于水平孔，可以避免砂床的形成，减少钻孔内的事故。
The member of the drilling crew in charge of the mud-processing area during periods of circulation.
泥浆循环期间管理泥浆处理区的井队人员。
It is very important to measure the volume change of mud in mud pit for the safe drilling, the control of well blowout and the lost of circulation.
测量泥浆池中泥浆体积的变化对于安全钻井，控制井涌、井漏具有十分重要的意义。
Based on indoor experiments with similar analytic methods, the flowing regularity is studied of modelling mud during eccentric circulation.
在大量室内实验的基础上，应用相似分析方法，研究了泥浆模拟液在偏心环空中的流动规。
Based on indoor experiments with similar analytic methods, the flowing regularity is studied of modelling mud during eccentric circulation.
在大量室内实验的基础上，应用相似分析方法，研究了泥浆模拟液在偏心环空中的流动规。
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