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- Water shutoff agent DSZ-A is composed of inorganic particle.Its specialities are low cost,easily flow,high strength and long valid period. 是一种无机颗粒油井堵水剂，具有成本低、可泵性好、封堵强度高、有效期长的特点。
- Water shutoff agent can block up the high permeability formations when the breakthrough pressure of the agent is bigger than the pr... 应用突破压力法,不仅可以确定堵剂在地层中应放置的位置,还可以正确组合堵剂并计算堵剂的用量。
- Abstract： Water shutoff agent DSZ-A is composed of inorganic particle.Its specialities are low cost,easily flow,high strength and long valid period. 摘 要： DSZ-A是一种无机颗粒油井堵水剂，具有成本低、可泵性好、封堵强度高、有效期长的特点。
- 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 swellable polymer water shutoff agent was prepared with acrylic acid,acrylamide,organic crosslinker (MBAM)and functional ion monomer(D/S)as main materials. 针对高温高盐大孔道地层,以丙烯酸、丙烯酰胺、有机交联剂MBAM和功能性离子单体D/S为主要原料,制备了吸水膨胀型堵水剂。
- The results of plugging test showed that water shutoff agent HY had good plugging efficiency for different permeability core,plugging rate was more than 99.90%,and the core break- through pressure grade was higher than 18.0 MPa. 聚合物堵水剂HY的封堵试验结果表明;堵水剂HY对不同渗透率的岩芯均具有很好的封堵效果;封堵率大于99.;90%25;突破压力梯度大于18
- Surfactants used in oil production include oil displacement agent,water shutoff agent,additives used in acidizing and fracturing,viscosity reducer by emulsification deplugging agent etc. 在采油中,表面活性剂用作驱油剂、培水剂、酸化添加剂、压裂添加剂、防蜡剂、乳化降粘剂、解堵剂等;
- HT fractured reservoir high-temperature water shutoff agent has been developed by using secondary crosslinked gel in accordance with problems of high permeability and high leakage. 针对高温裂缝性油藏堵水中存在的高渗透和高滤失问题,采用二次交联凝胶技术,研制了HT裂缝性油藏高温堵剂。
- Newly developed water shutoff agents are colloidal dispersant gel (CDG),new precipitation-type and complex type. 新发展的堵水剂有胶体分散体冻胶、新型沉淀型和复合型等。
- profile modifying water shutoff agent 词剖堵水剂
- A study on the optimum injection time of water shutoff agents 油田堵剂最佳注入时间的研究
- Determination of the plugging position of water shutoff agent by breakthrough pressure method 用突破压力法确定堵剂在油藏中的封堵位置
- Development of a New Water Shutoff Agent in Low Permeability Fractured Reservoir 新型裂缝性低渗透油藏堵水剂的研制
- Keywords water shutoff agent;gel breaker;chelation;delay;crosslinking;core test; 堵水剂;破胶剂;螯合;延迟;交联;
- Keywords Renqiu oilfield carbonate reservoir formation plugging water shutoff agent research application; 任丘油田;碳酸盐岩油气藏;地层封堵;堵水剂;研究;应用;
- Keywords well plugging;chemical water plugging;water shutoff agent;sodium acrylate;acrylamide;crosslinker;synthetic resin;injectivity; 井封堵;化学堵水;堵水剂;丙烯酸钠;丙烯酸胺;交联剂;合成树脂;吸水能力;
- Keywords water shutoff agent;aqueous gelling fluid;modified urea/formaldehyde resin;plugging interstratified channellings;sealing leakages;Zhongyuan oil fields; 封堵剂;水基凝胶;改性脲醛树脂;封窜;堵漏;中原油田;
- inorganic water shutoff agent 无机堵剂
- flexible water shutoff agent 柔性堵剂
- water shutoff agent 堵水剂
