泥浆循环期间管理泥浆处理区的井队人员。
The member of the drilling crew in charge of the mud-processing area during periods of circulation.
由于它的出口压力大，可以安装在泥浆循环罐面以下。
Due to high pressure at the outlet, it can be installed under level of mud circulation tank.
不需要泥浆循环，仅用泥浆护壁，使用泥浆少，不污染环境。
There is no circulation in drilling with only a little amount of mud for wall protection without pollution to the environment.
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。
When drilling, it gives big resistance to mud circulation, which is not beneficial to bring up cutting.
消泡效率高，能有效地提高泥浆的润滑性能和冷却效果，大大提高泥浆循环使用效率。
High efficiency of defoaming, improve effectively lubrification and cooling effect of the slop, and highly improve the cycled use effect of the slop.
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。
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.
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。
However, on the first logging run or runs after circulation, the mud may be hottest some distance above the bottom of the hole.
冲切成槽薄壁混凝土防渗墙施工技术是在原冲击成槽建造防渗墙的基础上，对冲击钻头和施工工艺加以改进，用扁钻头代替十字钻头，用正反两种循环系统进行泥浆循环的一种新防渗墙施工方法。
The present technique is a new thin cutoff wall construction method by modifying the original method as to use flat drill bit instead of cross bit and adopt positive and negative circulating system.
循环泥浆2个小时。
当多余的水泥浆被留在井筒中时，在水泥浆初凝和变成不可流动以前用常规的方法（如反循环）不可能去除这些多余的水泥浆。
When excess slurry is left in the wellbore, it may not be possible to remove the excess slurry by conventional means, such as reverse circulation, before the slurry thickens and becomes immovable.
在电测或长时间停钻检修设备时，将泥浆密度提高到循环时的当量泥浆密度范围。
When logging or general overhaul for long time, mud density must BE raised to E. C. D. for stable of hole.
泥浆制备、循环、净化等因素的好坏直接影响到钻进速度和成孔质量、桩侧摩阻力及桩端阻力的发挥。
These factors, which include slurrys preparation, circulation, depuration and so on, would influence drilling speed, bore quality, exertion of pile shaft resistance and base resistance.
我们采用的控制方法是让泥浆顺着钻杆向下循环。
And we control it by means of the mud which we circulate down the drill pipe.
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。
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.
提出了一种减小钻井泥浆环空循环压耗的井下工具，介绍了该工具的结构、工作原理、技术参数。
Therefore, a downhole tool that can reduce the annular cyclic pressure loss and introduced its structure, principle of work and technical parameters were put forward.
空气钻井技术是以空气作为循环介质的欠平衡钻井技术，其钻头的破岩形式与常规泥浆钻井有很大的区别。
Air drilling is a kind of under-balanced drilling technology with air, whose rock breaking form is different from conventional mud drilling.
介绍了使用泥浆护壁气举反循环回转钻进工艺进行襄樊汉江四桥大口径嵌岩桩的施工实践。
The paper introduced the use of airlifting reverse circulation rotary drilling techniques in practice of major diameter socket pile operation at Xiangfan city's Hanjiang No.
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。
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.
从井筒的循环流体(如钻井作业中所用的泥浆)中去除游离气或夹带气所用的一种简单的分离容器。
A simple separator vessel used to remove free or entrained gas from fluids circulated in the wellbore, such as mud used during drilling operations.
针对二连铸循环水泥浆系统生产情况进行了替代水处理方案研究。
According to the actual production state of the circulation water slurry system of double continuous casting, the replacement water disposal plan is studied.
采用水泥承转器挤水泥技术能防止挤水泥浆倒流，且多余的水泥浆能从工具的上部反循环至地面。
Using cement retainer squeezing technology can prevent the cement backward flow, and CAM let the residual cement through the upper party to recycle to the ground.
泥浆泵分类泥浆泵分单作用及双作用两种型式﹐单作用式泥浆泵在活塞往复活动的一个循环中仅完成一次吸排水行动。
Mud pump Classification mud sub-single-effect and two types of double acting, single acting mud pump piston reciprocating in a cycle of action only to complete a suction drain.
介绍了使用泥浆护壁气举反循环回转钻进工艺进行襄樊汉江四桥大口径嵌岩桩的施工实践。
The paper introduced the use of airlifting reverse circulation rotary drilling techniques in practice of major diameter socket pile operation at Xiangfan city's Hanjiang No. 4 bridge site.
现场应用表明，该工具能够将堵漏材料准确压入地层，并且在下钻过程中保证泥浆的循环。
The field application proved the tool can properly feed the material into the formation, and assure...
现场应用表明，该工具能够将堵漏材料准确压入地层，并且在下钻过程中保证泥浆的循环。
The field application proved the tool can properly feed the material into the formation, and assure...
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