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。
And it is compared with those of traditional profile control and water plugging, higher efficiency can be obtained for an enhanced recovery and better economic profit is achieved.
与传统的调剖堵水相比，拟水平井可以取得相对高的提高采收率水平和较好的经济效益。
The compound ion polymer in-depth profile adjusting and water plugging agent had been developed by compound ion polymer, urotropine, resorcin, ammonium chloride as mostly material.
以复合离子聚合物、六次甲基四胺、间苯二酚为主要原料，制取复合离子聚合物调剖堵水剂。
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 paper presents the preparation of the polymer, and the principle and methods of polymer control water gas production. Through analysis, the water plugging effect of VS/VA/AM three-part co…
文中介绍了聚合物制备、控水原理及堵水采气方法，重点介绍VS/VA/AM三元共聚物，其堵水效果高于其它聚合物。
Plugging leaky pipes would be a start: they cause some big cities in the Middle East and Asia lose up to 60% of their water.
水管堵漏就是好的开始：漏水水管使中东和亚洲的大城市水流失量达60%。
A new kind of oil soluble polymer JHXD as selective water shutoff agent was prepared based on the requirement of selective plugging in water injected oilfields.
针对注水开发油田选择性堵水的急需，研制了一类新型油溶性聚合物选堵剂JHXD。
Since pure foaming agent with short half-value period causes a poor plugging effect for high-permeability reservoir with water channeling, this paper studies on gel foam sysem.
针对纯发泡剂半衰期较短、对已形成注入水窜流通道的高渗透储层封堵效果较差的实际问题，开展了凝胶泡沫体系的研究。
The gypsum is soluble and can be used for temporary plugging if there is no flowing water.
石膏是可溶性的，如果没有流动的水，则可用于暂时堵塞。
According to the stimulation results, terminal capillary domino effect which produced by preventing base rock plugging plays an important role for inhibiting permanent water block.
根据模拟计算结果，防止基岩堵塞产生的末端毛管效应，对抑制永久性水锁具有重要的作用。
Plugging large pore in water injection well is the most important measures, and choice of plugging agent is getting more important.
封堵注水井的大孔道是控水稳油的重要措施，封堵剂的选择也越来越重要。
Grouting can play a double role of both consolidating the surrounding rock and plugging the water inrush and therefore is an efficient way to ensure a smooth passage through the fault zone.
注浆可起到既加固围岩又封堵涌水的双重作用，是保证顺利通过断层的有效方法。
HAGS can increase oil recovery by adjusting the permeability variation through plugging the higher permeability layer and forcing the injected water to flow into the lower permeability layer.
HAGS通过封堵高渗层，调整模型的渗透率差异，使液流转向低渗层，从而达到提高采收率的目的。
Oil Wells after a profile modification of construction, conventional water shutoff used large plugging agent and the effect is not obvious.
油水井在进行了多次调剖堵水作业之后，常规的调剖堵水作业的堵剂使用量大而且增产效果不明显。
The water-plugging device of large diameter tube used for water-finding comprises a water-plugging gas bag arranged circulating the frame, an inlet pipe or a discharge pipe is arranged in the frame.
这种大口径管道试水用堵水器的基本结构包括环绕支架设置的堵水 气囊，支架上设置进水管或排气管。
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 high temperature plug agent made mainly from larch tannin is applied to plugging water at high temperature and adjusting section for oil extraction in oil field.
以改性落叶松栲胶为主料研制的高温堵水剂，适用于油田采油用高温堵水、调剖凝胶。
The high temperature plug agent made mainly from larch tannin is applied to plugging water at high temperature and adjusting section for oil extraction in oil field.
以改性落叶松栲胶为主料研制的高温堵水剂，适用于油田采油用高温堵水、调剖凝胶。
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