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。
Breakthrough pressure method was presented in order to accurately determine the plugging position of water shutoff agent in oil reservoir.
为了能更准确地预测堵剂在油藏中的封堵位置，提出了堵剂突破压力法。
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。
A water soluble plugging agent modified by organic silicate resin was developed to solve the problem of serious oil-well loss in Shengli Oilfield.
针对胜利孤东油田油井漏失严重问题，研制了用有机硅改性处理的水溶性暂堵剂。
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。
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 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。
Method To eliminate steam coning and water coning in production Wells of heavy oil reservoirs, Shengli oil province, HBC98 1 plugging agent for thermal production is developed.
方法针对胜利油区稠油开发中出现的注入蒸汽的窜进和生产井水窜的问题，研究适用于热采井封堵汽窜和水窜的HBC981热采封堵剂。
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，该堵剂可使岩心堵塞率达到90%以上，用地层水长时间冲刷后，渗透率恢复值在85%以上。
A two-component indepth profile modifying agent, LF-1, is prepared for plugging high permeable channellings in further bore zones of high pressure water injection Wells in Huqing, Zhongyuan.
为了封堵中原胡庆油田高压注水井远井地带的高渗层，研制了双液法堵剂LF 1。
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。
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 test results showed that this agent had a good plugging effect for water layer and no damage for oil layer and oil-water mixed layer.
试验表明，该堵剂对水层有较好的堵塞效果，不损害油层和油永混合层。
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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