• The formulas of the two gels and the core plugging capacity of the polymer gel are presented.

    介绍两种配方聚合物堵剂封堵岩心能力

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  • Laboratory test shows that core plugging rate by using the agent is over 90%, recovered rate of permeability is over 85% after washing with water for a long period of time.

    室内实验表明,该剂可使岩心堵塞率达到90%以上,地层长时间冲刷渗透率恢复85%以上。

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  • The effect of surface wettability of porous media on the plugging properties of LPS was studied through the ground glass model, quartz sand-packed tube and artificial core plugging experiments.

    采用毛玻璃模型、填充砂人造岩心封堵实验研究了多孔介质表面润湿性交联聚合物溶液(LPS)封堵性能影响

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  • At high speed, asphaltene plugging is more serious with increase of flow rate. The damage degree of asphaltene plugging is higher in low permeability core than in high one.

    较高流速下,随速度升高沥青所造成孔喉堵塞更加严重岩心中沥青堵塞引起渗透率伤害程度大于渗透岩心。

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  • Some inaccuracy often exists in the evaluation of foam stability in porous media using glass vessel in laboratory experiment, so the validity time of foam plugging in homogeneous core was researched.

    室内实验中,玻璃器皿不能准确反映泡沫岩心多孔介质中的稳定性为此研究了泡沫在均质岩心中的泡沫封堵有效期

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  • A core evaluating test is conducted on the selected plugging agent, and its dissolution and temporary plugging intensity are detected.

    筛选出的进行岩心评价试验,对暂堵剂的溶解性暂堵强度进行了测定。

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  • The injectivity, plugging performance and sweep efficiency of the gel system is evaluated through single and parallel core experiments.

    通过岩心并联岩心实验凝胶体系注入性能封堵性能和驱油效果进行了评价;

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  • The migration behavior, plugging ability and profile control effects of gel particle in core were studied.

    采用模拟实验方法研究了凝胶颗粒岩心中的运移特性封堵能力及其效果

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  • The additional channel is gradually plugged by the plugging component along with the movement of the valve core;

    随着移动,所述封堵部件逐渐将所述附加通道封堵;

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  • On the basis of the features of Ertan reservoir in Feixianguan TM, the paper researches the optimum seeking method of temporary plugging agent by using core flow experiment.

    用岩心流动实验方法,针对飞仙关鲕滩储层的堵塞性及酸化解堵性方面对暂堵剂优选进行了研究

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  • Rock core experiments indicate that the plugging agent has some outstanding characteristics, such as, high intensity, good salt resistance and heat steadiness and easiness of being plugging solved.

    岩心实验表明具有强度稳定性好解堵显著特点

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  • It also has powerful core sealing capacity, drag coefficient was greater than 32, residual resistance factor was greater than 20 and plugging rate was greater than 95%.

    具有强的岩心封堵能力阻力系数大于32残余阻力系数大于20封堵大于95%。

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  • It also has powerful core sealing capacity, drag coefficient was greater than 32, residual resistance factor was greater than 20 and plugging rate was greater than 95%.

    具有强的岩心封堵能力阻力系数大于32残余阻力系数大于20封堵大于95%。

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