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concrete variation
相关语句
  相似匹配句对
     The variation of I.
     研究结果表明:I.
短句来源
     concrete;
     混凝土;
短句来源
     Allowable Variation in Construction of Concrete Cover to Reinforcement
     混凝土保护层厚度施工允许偏差
短句来源
     Investigations on seepage rate variation in concrete dam foundations
     混凝土坝坝基渗漏量变化规律的探讨
短句来源
     Intelligent Concrete
     智能混凝土
短句来源
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  concrete variation
We have found that when discussing a concrete variation point in a system, certain characteristics reappear.
      


Introduced here are key measures for temperature and crack control in construction of east tunnel concrete anchorage through mass concrete for Egongyan Bridge across the Yangtze River at Chongqing, the results from detectors factually reflecting the rules of mass concrete variations.

介绍重庆长江鹅公岩大桥东隧道锚碇大体积砼施工防止裂缝的主要温度控制措施 ,并介绍了裂缝控制技术。监测结果真实地反映了大体积砼的变化规律。

Now the old oilfields of our country enter the stages of a high water cut. The variation of the micro-geological features result in a serious heterogeneity of the reservoir and a increasingly difficulty for development.The conventional measure to stabilize oil production and control water cut is confronted with a big challenge.According to literature,there is little research on the variation law of the micro-geological features of the reservoir.The paper takes He 3 reservoir in Shuanghe oilfield as an example...

Now the old oilfields of our country enter the stages of a high water cut. The variation of the micro-geological features result in a serious heterogeneity of the reservoir and a increasingly difficulty for development.The conventional measure to stabilize oil production and control water cut is confronted with a big challenge.According to literature,there is little research on the variation law of the micro-geological features of the reservoir.The paper takes He 3 reservoir in Shuanghe oilfield as an example to correlate and analyze the variation law of the micro-geological features of the reservoir before and after a long term flooding by using a large number of correlative well data. According to the research, the clay minerals of He 3 reservoir of Shuanghe oilfield reservoir crash and move,the contents decrease dramatically, micro-structure has been improved.As the difference of the lithology,original storage capability of the reservoir and the kind of the wells, the concrete variation law of the micro-geological features is different. The validity of the conclusion has proved by oilfield.

目前我国许多老油田相继进入高含水后期开采。由于长期水洗,储层微观特征发生了很大变化。以双河油田核三段油藏为例,充分利用大量的对子井资料,较深入地对比分析了长期水洗前后储层微观特征的变化规律。研究表明,经过长期水洗,双河油田核三段储层填隙物发生破碎和迁移,含量明显减少,微观孔隙结构总体变好,但因储层岩性、原始物性、井别的不同,其具体变化规律有所不同。

 
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