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- 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。
- A novel filtration reducing agent NJ-1 for drilling fluid. 新型降滤失剂NJ-1的研究与应用
- 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。
- 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。
- Filtrate reducer for drilling fluid 钻井液降滤失剂
- He advocates reducing military spending. 他主张削减军费开支。
- The party's platform is reducing taxes. 那个政党的政治纲领是减税。
- The party's main plank is reducing taxes. 该党政纲的基点是减税。
- Keywords filtrate reducer;zwitterionic polymer;drilling fluid; 降滤失剂;两性离子聚合物;钻井液;
- Reducing or controlling high blood pressure. 抗高血压的减轻或控制高血压的
- We can only retrieve the situation by reducing our expenses. 我们只有缩减开支才能扭转这种状况。
- 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;
- Tests indicate that HFT can be used as filtration reducer at high temperature , it can reduce the permeability of filter cake . 通过室内和现场试验评价了几种高温封堵性降滤失剂的封堵效果,结果表明,HFT降滤失剂封堵效果最为理想。
- Reducing overhead take priority over increasing turnover. 与增加营业额相比，应优先考虑降低间接费用。
