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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. 是一種無(wú)機顆粒油井堵水劑，具有成本低、可泵性好、封堵強度高、有效期長(cháng)的特點(diǎn)。
- Water shutoff agent can block up the high permeability formations when the breakthrough pressure of the agent is bigger than the pr... 應用突破壓力法,不僅可以確定堵劑在地層中應放置的位置,還可以正確組合堵劑并計算堵劑的用量。
- 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是一種無(wú)機顆粒油井堵水劑，具有成本低、可泵性好、封堵強度高、有效期長(cháng)的特點(diǎn)。
- Breakthrough pressure method was presented in order to accurately determine the plugging position of water shutoff agent in oil reservoir. 為了能更準確地預測堵劑在油藏中的封堵位置,提出了堵劑突破壓力法。
- A swellable polymer water shutoff agent was prepared with acrylic acid,acrylamide,organic crosslinker (MBAM)and functional ion monomer(D/S)as main materials. 針對高溫高鹽大孔道地層,以丙烯酸、丙烯酰胺、有機交聯(lián)劑MBAM和功能性離子單體D/S為主要原料,制備了吸水膨脹型堵水劑。
- 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. 聚合物堵水劑HY的封堵試驗結果表明;堵水劑HY對不同滲透率的巖芯均具有很好的封堵效果;封堵率大于99.;90%25;突破壓力梯度大于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,表面活性劑用作驅油劑、培水劑、酸化添加劑、壓裂添加劑、防蠟劑、乳化降粘劑、解堵劑等;
- 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. 針對高溫裂縫性油藏堵水中存在的高滲透和高濾失問(wèn)題,采用二次交聯(lián)凝膠技術(shù),研制了HT裂縫性油藏高溫堵劑。
- Newly developed water shutoff agents are colloidal dispersant gel (CDG),new precipitation-type and complex type. 新發(fā)展的堵水劑有膠體分散體凍膠、新型沉淀型和復合型等。
- profile modifying water shutoff agent 詞剖堵水劑
- Preparation and Application of Selective Water Shutoff A gent JTD for High Permeability Reservoir Formations 高滲透地層選擇性堵水劑JTD的研制與應用
- selective water shutoff 選擇性堵水
- A study on the optimum injection time of water shutoff agents 油田堵劑最佳注入時(shí)間的研究
- Determination of the plugging position of water shutoff agent by breakthrough pressure method 用突破壓力法確定堵劑在油藏中的封堵位置
- Development of a New Water Shutoff Agent in Low Permeability Fractured Reservoir 新型裂縫性低滲透油藏堵水劑的研制
- Keywords water shutoff agent;gel breaker;chelation;delay;crosslinking;core test; 堵水劑;破膠劑;螯合;延遲;交聯(lián);
- Keywords Renqiu oilfield carbonate reservoir formation plugging water shutoff agent research application; 任丘油田;碳酸鹽巖油氣藏;地層封堵;堵水劑;研究;應用;
- Keywords well plugging;chemical water plugging;water shutoff agent;sodium acrylate;acrylamide;crosslinker;synthetic resin;injectivity; 井封堵;化學(xué)堵水;堵水劑;丙烯酸鈉;丙烯酸胺;交聯(lián)劑;合成樹(shù)脂;吸水能力;
- Keywords water shutoff agent;aqueous gelling fluid;modified urea/formaldehyde resin;plugging interstratified channellings;sealing leakages;Zhongyuan oil fields; 封堵劑;水基凝膠;改性脲醛樹(shù)脂;封竄;堵漏;中原油田;
- Relative permeability modifiers (abbr. RPM) is a kind of selective water plugging agent, namely it only decreases the permeability of water phase, causes little or even no impact on oil phase. 相滲透率改善劑（RPM，Relative Permeability Modifiers），從性能上說(shuō)屬于一種選擇性堵劑，即只大幅降低地層水相滲透率，而對油相滲透率降低很少甚至不降低的一種物質(zhì)。
