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- crosslinking at well bottom 井底交联
- This paper introduces the method of casing pressure drop which can be used to measure pump inlet pressure and flow pressure at well bottom. 阐述了套压降低法测泵口压力和井底流压的基本原理、测试方法以及相关的资料处理和计算方法。
- She was driving at well over the speed limit. 她开车的速度远远超过了速度限制。
- She is at best a second-rate singer. 她充其量是个二流歌手。
- I can donate one hundred dollars at best. 我充其量只能捐助100美元。
- The ion concentration of stemming at the water injection well bottom in the block of Jidong Oilfield has been tested. 对冀东油田某区块注水井井底堵塞物的离子含量进行了测定,分析了注水井井底堵塞产生的主要原因。
- Life is, at best, a sea of trouble. 人生，再好也不过是汪洋苦海罢了。
- Don't expect much of him; he is at best a student. 不要对他期望过高; 他只不过是个学生。
- METHOD OF CASING PRESSURE DROP FOR MEASUREMENTS OF PUMP INLET PRESSURE AND FLOW PRESSURE AT WELL BOTTOM 套压降低法测泵口压力和井底流压
- We can't arrive before Friday at best. 我们无论如何星期五以前也到不了。
- Don't scold him too much; he is at best a child. 不要太责骂他; 他只不过是个孩子。
- At best we can do only half as much as last year. 我们至多只能做到去年的一半。
- Keywords iltering deposition at well bottom;polymer flooding;formation flow coeffi-cient;water-intake profile;shear; 孤岛油田;聚合物驱;地层流动系数;吸水剖面;剪切;井底滤积;
- He was driving at well over the speed limit. 他当时开车的速度远远超过了限制。
- The train was late and at best I could only hope to be home tomorrow. 火车晚点了，做最乐观的估计，我也只能指望明天到家了。
- Check carry outing of technique measure。 on time handle the well bottom every kind of complicacy 、trouble。 help captain management production. 监督技术措施的执行，及时处理井下出现的各种复杂和事故，协助队长管理生产。
- This paper presents the original well bottom model and PDC bits model, and two concepts are defined: contacting arc length and threshold WOB. 为方便分析,假设了原井底模型和PDC钻头模型,定义了接触弧长和门限钻压两个概念。
- A coal miner's job is dirty and dangerous at best. 即使是在最好的条件下，煤矿工人的工作也是又脏又危险的。
- We can not arrive before Friday at best. 即使作最乐观的估计，我们也不能在星期五之前到达。
- Has a top speed of20 miles per hour at best. 最高时速为每小时20英里
