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- Keywords low temperature;chemical sand control;sand control mechanism;permeability;Yumen Oilfield; 低温;化学防砂;防砂机理;渗透率;玉门油田;
- Keywords Particle Image Velocimetry（PIV）;wind tunnel;wind blown sand;geomorphology of sand dunes;sand control mechanism; 粒子图像测速;风洞;风沙流;风沙地貌;防沙;
- sand control mechanism 防砂机理
- Safety control mechanism for building structure. 建筑结构安全控制机制。短句来源。
- The repressor is essentially a negative control mechanism. 阻遏物基本上是一种负控制机制。
- There is no specific concurrency control mechanism available. 没有可以使用的特定的并发控制机制。
- There is no specific transaction control mechanism available. 没有可以使用的特定的事务控制机制。
- This paper, on the basis of elaborating the structure of expandable screen and the mechanism of sand control, analyzes and compares the advantages and disadvantages of well completion technology of sand control by means of expandable screen. 摘要可膨胀筛管防砂完井技术是一种新型的防砂技术，在对可膨胀筛管的结构、防砂机理等方面进行阐述的基础上，对其优缺点进行了对比和分析。
- Enterprise Meta-community and its Ecological Control Mechanism P. 企业群落复合体及其生态调控机制。
- The repressor is essentially a negative control mechanism . 阻遏物基本上是一种负控制机制。
- In conclusion, ecomat chessboard type is the best measure for sand control ecologically and economically in this region. 从生态和经济的角度综合考虑，钻字状铺设显然是该区域流沙防治措施中较好的选择。
- Therefore, oil viscosity m ust be considered in sand control design in viscous oil field. 因此 ,对稠油油藏进行防砂设计时应考虑原油黏度的影响
- How to establish security control mechanisms? 如何设立保安监控机制?
- Therefore, the sand control strength can be improved through adding the fibred to the coated sand. 所以,在覆膜砂中加入纤维,可以提高覆膜砂的挡砂强度等性能。
- Therefore, the sand control strength can be improved through adding the fibre to the coated sand. 所以,在覆膜砂中加入纤维,可以提高覆膜砂的挡砂强度等性能。
- Operations, as not all classes need such a concurrency control mechanism. 操作外面加上锁,因为不是所有类都需要这种并发控制机制。
- 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。
- Common downhole handling processes,such as acid jobs,control pipe or central pipe sand control,meet these problems. 对利用高压水射流技术的物理法解堵机理进行了分析;
- A resource access control mechanism is needed in such a sophisticated system. 安全性是并行设计实施的关键问题。
- Therefore, it would help sand control to avoid perforating such areas in selec... 当井筒内压力保持不变时,随着油藏压力衰竭,射孔孔眼发生剪切屈服、出砂的可能性增大;
