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Keywords filtrate reducer;zwitterionic polymer;drilling fluid; 降滤失剂;两性离子聚合物;钻井液;
Keywords Filtrate Loss Controller for Cement Slurry;Additive to Cement Slurr;Laboratory Performance Evaluation;Field Tests;East Sichuan Gas Fields;Filtrate Reducing Mechanizms; 水泥浆降失水剂;水泥外加剂;室内性能评价;现场试验;川东矿区;降滤失机理;
The properties of filtrate reducer used in MMH drilling fluid are evaluated. 介绍了一种与正电胶钻井液配伍的降滤失剂,分析了它的反应机理,并对该产品的性能进行了评价。
The synthetic polymers found wide uses as filtrate reducer in oil well cement. 这类降失水剂种类繁多、性能优异,有很好的应用前景。
The synthesis of AM/AMPS/DEDAAC/Starch graft copolymer filtrate reducer for mud and its property are described. 介绍了AM/AMPS/DEDAAC/淀粉接枝共聚物泥浆降滤失剂的合成方法,并对其性能进行了室内评价。
The use of specific synthetic polymers as oil well cement filtrate reducer has recently drawn a wide attention in industry. 目前在油井水泥降失水剂领域,合成聚合物降失水剂再度成为研究的热点和重点。
In the drilling fluid system, main treating agents include polyalco-hol CFH-2, strong sealing agent and high temperature salt tolerant filtrate reducer OCL-PT, and so on. 聚合醇CFH-2具有可生物降解性;既能提高体系的抑制性、润滑性及储层保护性能;又可满足环保要求; 抗高温降滤失剂OCL-PT能有效地降低饱和盐水体系在高密度(2.;32g/cm。)
The sulfonated polystyrene (SPS) has been prepared by sulfonation reaction of the polystyrene, which is used as a filtrate reducer for oil well cement slurry. 通过磺化改性,制备了磺化聚苯乙烯(SPS)作为油井水泥降失水剂。
Keywords Filtration reducers;Copolymer;Non-invasion drilling fluids;Prevent formation from damaging; 降滤失剂;钻井液添加剂;共聚物;超低渗透钻井液;防止地层损害;
The room experimental results showed AMPS copolymers as a drilling fluid filtrate reducer had very good capacities of depressing the filter loss,inhibitory ability,heat resistance and salt tolerance. 室内试验结果表明 ,AMPS聚合物热稳定性好 ,降滤失能力、抑制性和抗温抗盐能力强 ,防塌效果好。
This system has been used in 7 wells on 3 blocks in Daqing Oilfield , and it is mainly consisted of viscosifier CXV, filtrate reducer CXF, wellbore protecting agent CXG, other inhibitors and formate. 该钻井液主要由提粘剂CXV、降滤失剂CXF、井壁保护剂CXG、辅助抑制剂和甲酸盐等组成的低固相体系,根据需要,还可加入消泡剂、水基润滑剂等。
The laboratory and field experiment results showed that inorganic-organic polymer 17GX as drilling fluid filtrate reducer had very good effects of depressing filter loss,heat resistance,and sal... 室内及现场应用试验结果表明,无机-有机单体聚合物17GX抗温、抗钙污染、降滤失和防塌能力强,热稳定性好,适用于各种水基泥浆体系。
Keywords water base muds;mud additives;filtrate reducer;rap oil seedcake; 水基钻井液;钻井液添加剂;降滤失剂;菜籽油饼;
Filtrate reducer for drilling fluid 钻井液降滤失剂
A novel filtration reducing agent NJ-1 for drilling fluid. 新型降滤失剂NJ-1的研究与应用
Keywords drilling fluid;filtrate reducer;SPX resin;salt resisting property;high temperature; 钻井液;降滤失剂;SPX树脂;抗盐特性;高温;
Keywords polyanionic cellulose;drilling fluid;filtrate reducer;thickener;chloroacetic acid; 聚阴离子纤维素;钻井液;降滤失剂;稠化剂;氯乙酸;
Keywords shale dispersion;dispersivity inhibition;filtrate reducer;performance of mud; 页岩分散;抑制作用;降滤失剂;泥浆性能;
Keywords cement additives;filtrate reducer;polyvinyl alcohol;crosslinker;temperature tolerance;salt resistance; 水泥添加剂;降失水剂;聚乙烯醇;交联剂;抗温性能;抗盐性能;
The titled additives can be used as mud filtration reducer, thinner and collapse inhibitor.In addition, these additives have high-temperature stability and can restrain shale from hydrating expansion. 水溶性天然材料改性产品在钻井液中可起到降滤失、降粘、高温稳定、抑制页岩水化膨胀和防塌等作用。