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- biological completion fluid 生物完井液
- And this is helpful for the unity of well completion fluid with drilling fluid to prevent well slough and protect gas zone.In deep gas wells without interm... 对该区不下技术套管的天然气探井用一种钻井液体系，进行不同的处理，可以达到提高钻速、防止井塌和保护气层三大目的。
- Through laboratory tests and field application,the results show the new temporary plugging completion fluid can meet the needs of reservoir protection in Yaha Oilfield. 室内研究和现场应用表明，该套屏蔽暂堵完井液技术能够适应牙哈地区油气层保护的要求。
- The damage mechanism is that the reservoir po re passages were plugged by the salt crystals formed from the high salinity bri ne drilling completion fluid in the process of back flowing displacement with dry gas. 分析研究其损害机理 ,主要原因是在干气返排驱替过程中 ,高矿化度盐水钻井完井液滤液中的盐组分会形成盐结晶堵塞储层孔道。
- According to the reservoir features and the requirements of protecting reservoir,a modified drilling and completion fluid system with ultrahigh density is chosen,in which oil soluble and acid soluble temprary plugging agents are the major additives. 根据储层特征及保护油气层要求，选用以油溶性和酸溶性暂堵剂为主处理剂的超高密度改性钻井完井液体系。
- To deal with the problem of reservoir damage during drilling operation, well completion fluid system containing sealing agent DCL-1 and plugging agent YD-1 was applied in Zhao-44 well. 针对赵46井裂缝性砾岩储层的特点,采用了以单向压力封闭剂DCL-1和低荧光油溶性暂堵剂YD-1为主处理剂的钻开油层完井液体系。
- The technical difficulties of Guan50 9KH sidetracking horizontal slimhole completion is analyzed.The optimum designs in completion style,completion tools and completion fluid are also studied. 分析了官50-9KH套管开窗侧钻小眼水平井完井的技术难点，提出从完井方式、完井工具及完井液三个方面进行完井优化设计。
- The couple corrosion of the two metal materials in a completion fluid,a mixed salt water of salinity up to 300 g/L,are investigated experimentally and the proper inhibitor is selected. 实验研究了两种钢材在完井液(盐含量高达30%25的溶液)中的电偶腐蚀并筛选了缓蚀剂。
- Analysis result of indoor and field drilling fluid shows that MMH drilling fluid and completion fluids have good protecting result to fractured carbonate rock reservoir. 室内及现场实际井浆的分析结果表明，该配方对裂缝性碳酸盐岩储层具有良好的保护效果。
- A dynamic method is used to study PRD drill-in fluid and the formation time of filter cake on the core and flushing resistance of the filter cake to completion fluids. 室内采用动态方法研究了PRD钻开液与在岩心端面上的滤饼形成时间及该滤饼耐各完井工作液的冲刷性;
- This paper presents types of polymer additives for drilling and completion fluids abroad and their functions. 本文介绍了国外目前用于钻井液和完井液的聚合物添加剂的类型及作用。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- Completion fluids are typically brines (chlorides, bromides and formates), but in theory could be any nondamaging fluid of proper density and flow characteristics. 完井液典型的是盐水（氯化物、溴化物和甲酸盐类），但是从理论上讲，可能是任何合适密度和良好流动性能的无损害流体。
- The formula, properties and applications of cyclable foam drilling &completion fluids in underbalanced drilling in Luo 151 11 Well are introduced. 介绍了可循环泡沫钻井完井液的配方、性能及在罗151-11井欠平衡压力钻井中的应用情况。
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
- The cationic guar gum used as a viscosifier in drilling, fracturing and completion fluids is tested in laboratory, rational formula in consistent with each technique is chosen . 在室内试验了阳离子胍胶作为增粘剂在钻井液、完井液、压裂液等方面的应用,并筛选出符合各类技术指标的合理配方。
- drilling fluid and completion fluid 钻井及完井液
- Offering a wide range of control capabilities, including built-in PID-controllers, ASI and Field Bus connections, Burkert supplies the most reliable and innovative solenoid valves, process valves, pneumatic systems, sensors and complete fluid systems. 德国宝得提供最可靠的和具创新意义的电磁阀、程控制阀、动系统、感器以及由这些产品组成的全套流体控制系统。
- The film is on the point of completion. 电影制作即将完成。
- The job is at last nearing completion. 这项工作终于快要完成了。
