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- Static and dynamic simulation tests and field tests indicate that YK drill-in fluid possesses the advantage of low formation damage . good flow behavior, simple formulation and easy maintenance. 室内静、动态模拟损害评价试验及现场应用表明,YK型钻开油层完井液可防止地层损害、流动性好、现场配制简单、性能易于维护。
- Development of a Novel Low Formation Damage Kill Fluid LW 一种新型低伤害压井液LW的研制
- WORKOVER FLUIDS OF DS-O/W TYPE FOR LOW FORMATION DAMAGE DS-O/W型低污染修井泥浆的研究
- low formation damage 低地层伤害
- Study of formation damage mechanism caused by organic deposition. 有机垢对地层损害机理研究。
- Formation damage can be minored by using CO2 foam fracturing fluid as it has low filtration, high flowback and good compatibility with formation fluids. 由于CO2泡沫压裂液具有滤失量低、返排能力强、与地层流体配伍性良好等优点,采用CO2泡沫压裂技术,可减小压裂液对地层的伤害。
- In this paper 7 new measures now used in foreign countries to prevent formation damage are introduced, such as applying new clay stabilizer of low polymer to low permeable formation, and supersonic wave to control formation damage. 本文介绍了国外现阶段所采取的用低聚合物新型粘土稳定剂处理低渗透地层，用超声波解除地层损害等7种防治地层损害新措施。
- Formation damage in low permeability reservoir possesses the characteristic of high sensitivity to pressure, serious liquid blockup and obvious drilling fluid invasion to formation. 低渗透气藏的地层损害具有压力敏感性高、液体滞留效应严重和反向吸入现象明显的特点。
- The application of the theory for 2 wells in certain low formation in China shows that the interpretation of such analysis is more according with the actual production. 用该理论方程与分析方法分析某低渗透油田2口井的生产动态,解释结果更符合生产实际。 图5参13
- Mechanism analysis on the formation damage by retention of particles suspended in injection water. 注入水中固相颗粒损害地层机理分析。
- However, it is essential to prevent formation damage in the reinjectionof produced water. 但在回注油井产出水时,防止地层损害是必需的。
- The main factors of formation damage during the steam flooding are particle migration and swell of smectite. 微粒运移和蒙脱石的膨胀为蒸汽驱过程中储层伤害的主要原因。
- The formation damage during drilling are recognized as 2 types: mud solid particles plug and mud filtrate invasion. 钻井过程中的油层污染可分为泥浆固相颗粒侵入和滤液侵入2种类型。
- Underbalanced drilling technology can increase ROP and decrease formation damage,so it is increasingly used worldwide. 欠平衡钻井技术可以降低地层损害、提高机械钻速,所以在世界范围内被逐渐采用。
- In general,the larger the amount of scale is or the lower the permeability is,the severer the formation damage is. 一般结垢量越大，油层渗透性越差，结垢对油层的伤害越严重。
- This system satisfies for the deep acidizing and reacidizing and reduces the second formation damage. 该体系既满足了深度酸化和重复酸化工作液要求,又能降低地层二次损害。
- Separate implementation of sand control,water plugging and injectivity profile control had brought formation damage. 稠油油藏在开发过程中常遇到出砂、出水的问题,开采时分别进行防砂、堵水、调剖3种措施给地层带来了伤害。
- Enzymes have been applied to releasing formation damage, acidizing fluid, sand controlling and water-shutoff. ?可用于解除地层堵塞、酸化、防砂、堵水等。
- A discussion on some significant ideas in the project "to Protect oil and gas reservoir from formation damage" is presented in this paper. 本文对“保护油气层防止地层损害”这一课题中的若干重要概念进行了探讨。
- A comparision of the structures for C, CN x and BCN nanotubes indicates that a pentagonal structure hybridized with both B and N has lower formation energy than with only N. B和N的同时掺杂 ;所形成的五边形结构比单独N掺杂时具有更低的形成能 ;是竹节状结构形成的主要原因 .
