Chemistry shuts off the water includes the selective water plugging and the non-selective water plugging.
化学堵水又包括选择性堵水和非选择性堵水。
During water plugging operation, the key factor of success is how to protect non-target zones from pollution.
在堵水封窜作业中，如何保护非目的层不受污染，是施工成功与否的关键。
The chemical grouting material has safe surface operation, and has good water plugging effect on stratums with micro cracks.
本发明地面操作安全，细微裂隙地层堵水效果好。
This article demonstrated study on lab and initial test on site about chemical water plugging in high temperature and high salt reservoir.
论述了高温高盐油藏化学堵水技术的实验室研究和初期现场试验情况。
For the cores with different permeability, its water plugging rate was higher than 85%, oil plugging rate was lower than 20%, and-selectivity was good.
对不同渗透率的岩芯，堵水剂的堵水率大于85%，堵油率小于20%，具有良好的选择性。
The incorporate technology can settle sand control, water plugging and injectivity profile control in one time and reduce formation damage and operating cost.
一次性实现防砂、堵水、调剖的工艺技术，可节约费用，减少对地层的伤害。
This paper discussed percolation process of profile control by chemical water plugging and established perfect percolation theory which is applied to practice.
该文研究了化学剂堵水调剖的渗流过程，完善了渗流理论，并在实践中得到应用。
Appling advantageous property of modified starch, the strong gels water plugging and profile modification agent for medium-low temperature reservoirs is developed.
利用改性淀粉的优越性能，开发出了一种适用于中、低温油藏的改性淀粉强凝胶堵水调剖剂。
This article introduces the techniques of chemical water plugging and its development in the Shengli Oil Field, and indicates the problems and relative Suggestions at present.
本文简要介绍了胜利油田化学堵水技术，并提出了存在的有关问题和建议。
After the study of flooding and remaining oil distribution in block Huan17, the area of water plugging is fixed and water shutoff technique through composite slugs is applied.
通过对欢17块水淹状况、剩余油分布进行研究，确定了堵水实施区域，并应用了复合段塞堵水技术。
Therefore a new type of sand prevention and water plugging agent was studied in this paper. The new agent can prevent sand effectively, but also plug water with high selectivity.
研究将防砂堵水工艺合二为一的新型防砂堵水剂，既能有效防砂，又有选择性堵水效果。
The characterization parameters of the influenced factors for the plugged Wells are used to train the model, and the model is applied to predict the results of 13 water plugging Wells.
采用已堵水井影响因素的表征参数，对模型进行训练，应用于13口堵水井的效果预测。
Types and dose of plugging agents should be optimized to enhance what aimed at according to the object of water plugging when the technique of water plugging for profile control was designed.
在设计堵水调剖工艺时，应根据堵水调剖的目的，优化堵剂类型和剂量，提高针对性。
The results showed that the plugging agent had high water - plugging rate and good resistance to flushing. It plugged water selectively by entering the well stratum with high permeability first.
试验结果表明，FD- 2型封堵剂的堵水率高，耐冲刷能力强，并可首先进入渗透率较大的井段，实现选择性堵水。
The results showed that the plugging agent had high water - plugging rate and good resistance to flushing. It plugged water selectively by entering the well stratum with high permeability first.
试验结果表明，FD- 2型封堵剂的堵水率高，耐冲刷能力强，并可首先进入渗透率较大的井段，实现选择性堵水。
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