然后启动除砂器和除泥器。
也正是因为这一原因，除泥器安排在除砂器的下游。
For that reason, the desilter is located downstream from the desander in the surface mud system.
从井底去除砂子或碎片所用的用钢丝绳起下的装置。
A wireline device that is used to remove sand or debris from the bottom of the wellbore.
从井底去除砂子和碎片所用的由钢丝绳起下的捞砂筒。
A wireline bailer that is used to remove sand and debris from the bottom of a well.
试验证明，改进后的旋流除砂器的总除砂效率达到91%。
The experimental results show that the total desanding efficiency of the improved cyclone desander is 91%.
首节及中间各节除砂管内装有滤砂筛，末节除管内装有磁铁。
A filter sand riddle is installed in the head desanding tube and in each desanding tube in the middle, and a magnet is installed in the end desanding tube.
该机具有连续除砂、结构简单、安装方便、劳动强度小等特点。
The machine has some characteristic , such as continuous removing sand , simple structure , easy-assembly , lower labor intensity.
稠油粘度大，含砂粒粒径分布范围广，成为除砂工艺中的技术难点。
Heavy oil is very viscous, range of size distribution of sand is wide, which are technical problems of desanding process.
通过对所得结果的分析，发现模拟结果基本符合旋流除砂器的运行规律。
Based on the results of the analysis, the simulation results are consistent with the Cyclone sander operating rules.
它利用接触放电电蚀原理以达到去除砂轮的金属结合剂而修锐或整形砂轮。
This method employs contact electrical discharge etching to remove wheel metal bond for wheel dressing.
通用旋流除砂器中心部位出现的涡旋气柱会对泥浆净化效果产生不良影响。
It is analyzed why sand-removing effect of conventional cyclone desander is bad, and it is pointed out that the column of whirling gas in the center has a marked effect on purifying mud.
目前国内外解决稠油除砂的方法主要有两种：即重力沉降除砂和旋流除砂。
Presently, there are two methods of desanding of heavy oil at home and abroad, i. e. gravitational settling desanding and hydrocyclone desanding.
改进后的新型旋流除砂器与传统水处理工艺相比在占地面积上有很大优势；
Comared with conventional water treatment processes, improved new cyclone desander has big advantage in the area, and on the removal of fine sediment.
除砂器应该位于震动筛和除气器的下游，但应该在除泥器或泥浆清洁器的前面。
The desander should be located downstream of the shale shakers and degassers, but before the desilters or mud cleaners.
本文介绍了中国专利产品ZHL- 75阶壁锥形除砂器的结构特征及原理。
The paper introduces the structure character and principle about the Chinese patented product of ZHL-75 model zigzag shape wall hydrocyclone.
一种水力旋流器，除了在其设计中结合了很多更小的锥形外，与除砂器非常相似。
A hydrocyclone much like a desander except that its design incorporates a greater number of smaller cones.
试验表明该除砂技术较为完善地解决了地面集输系统由于原油采出液中含砂造成的危害。
Test shows that the sand removal technology solves the sand-containing problems perfectly in produced liquid in surface gathering transfering system.
文章还叙述了ZHL-75锥形除砂器的技术参数、性能试验、经济效益和生产使用效果。
The paper also describes the technical parameter, the performance test, the economic benefit and the using effect in production of the ZHL-75 model hydrocyclone.
使用结果表明，该装置具有很高的除砂率，防砂效果优于单纯地改进管道及附件材料的方法。
The erosion resistance by the use of the new method is much better than that of the conventional method for improving pipeline and accessories materials.
目前使用的静态水力旋流除砂器效率低并且油田现场流量波动较大对分离效率有较大的影响。
Static hydrocyclone being used now in oil field is inefficiency and fluctuation of oil flow also affects its efficiency.
不同尺寸的除砂器和除泥器锥形功能基本相同，锥体的形状决定了从泥浆系统中能够清除的颗粒尺寸大小。
Various size desander and desilter cones are functionally identical, with the size of the cone determining the size of particles the device removes from the mud system.
介绍大港油田集团勘察设计研究院研制的原油集输系统除砂洗砂一体化装置，经试验除砂率达到90％以上。
The integrated assembly with sand removal and washing in crude oil gathering system designed by the Exploitation and Design Institute of Dagang Oilfield Group is up to the sand removal rate of 90%…
在更换滤网时，要按正确的操作步骤进行泄压，确定除砂罐内的压力泄尽后，才能打开除砂罐上端的顶盖，进行更换。
Make sure the pressure in the tank of the sand separator was released to zero, then open the top cap on the upper end of the tank to replace the filter screen.
对于旋流除砂的方法目前应用的主要是静态水力旋流器，也是目前国内外各大油田主要使用的一种固-液或液-液分离方法。
At present, the main way of hydrocyclone desanding is static hydrocyclone, which is a main separation method of solid-fluid or fluid-fluid in oilfields at home and abroad.
对于旋流除砂的方法目前应用的主要是静态水力旋流器，也是目前国内外各大油田主要使用的一种固-液或液-液分离方法。
At present, the main way of hydrocyclone desanding is static hydrocyclone, which is a main separation method of solid-fluid or fluid-fluid in oilfields at home and abroad.
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