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delay solidification
相关语句
  延迟固化
     Investigation on Delay Solidification for Gelcasting
     凝胶注模成型延迟固化研究
短句来源
     In order to get enough operating time in gelcasting processing, we hope ceramic slurry delay solidification.
     凝胶注模成型工艺中,为了延长操作时间,通常希望陶瓷浆料能延迟固化,即延长浆料的聚合诱导期.
短句来源
     Composite inhibitor of phenothiazine and catechol can delay solidification of ceramic slurry effectively under 20-60*.
     加入适当的阻聚剂在不同温度下都可以使浆料延迟固化.
短句来源
  相似匹配句对
     Investigation on Delay Solidification for Gelcasting
     凝胶注模成型延迟固化研究
短句来源
     delay in delivery.
     延迟交付的问题。
短句来源
     network inducement delay;
     网络诱导时延;
短句来源
     Diffusion Effect in Solidification
     凝固时的扩散效应
短句来源
     Synthesis and solidification of dibenzoxazine
     苯并噁嗪化合物的合成及固化
短句来源
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Delayed solidification cementing slurry system is one of the technical keys of delayed solidfication cementing technology.In order to pledge smoothly implementing the technology,a formulation system and lab experiment assessment methods of delayed solidification well cementing slurry are studied and applied to oil gas fields.On the basis of the native oil well cement experiments,sieve method,settling method,simulating casing insert method etc.are studied and the simulation device...

Delayed solidification cementing slurry system is one of the technical keys of delayed solidfication cementing technology.In order to pledge smoothly implementing the technology,a formulation system and lab experiment assessment methods of delayed solidification well cementing slurry are studied and applied to oil gas fields.On the basis of the native oil well cement experiments,sieve method,settling method,simulating casing insert method etc.are studied and the simulation device for casing test is designed.The formulation system is of the characteristics of long mobile time,light settling,small plastic viscosity and yield value,higher compression strength etc.On the spot applied result shows the experiment method and formulation design can meet requirement;corrosion casing pipe can be repaired and the cost of well drilling can be decreased.

延迟凝固固井工艺的技术关键之一是延迟凝固水泥浆体系。为保证延迟凝固固井工艺的顺利实施,研究了延迟凝固水泥浆的配方体系、室内实验评价方法并应用于油气田现场。在原有油井水泥实验规范的基础上,系统地研究了延迟凝固水泥浆与现场作业相适应的筛分法、沉降法及模拟套管插入等评价方法,自行设计了延迟凝固固井工艺的模拟下套管试验台架。所研究的水泥浆配方体系具有:可流动时间长、沉降轻微、塑性粘度和屈服值小及凝固后具有较高的抗压强度等特性。现场应用结果表明:室内实验方法和水泥浆配方设计合理,满足了现场施工工艺要求,使用延迟凝固固井工艺可修复腐蚀套管和节约钻井成本,并为小间隙固井提供了一条新途径。

In order to get enough operating time in gelcasting processing, we hope ceramic slurry delay solidification. Idle time commonly is postponed by decreasing slurry temperature and the amount of initiator and catalyst. In this paper, other ways were studied. The heat evolution of the slurry was measured to characterize the polymerization process. Results show that increasing ionic strength can delay polymerization reaction. Idle time is shortened when pH of slurry decreased but mounted up rapidly when...

In order to get enough operating time in gelcasting processing, we hope ceramic slurry delay solidification. Idle time commonly is postponed by decreasing slurry temperature and the amount of initiator and catalyst. In this paper, other ways were studied. The heat evolution of the slurry was measured to characterize the polymerization process. Results show that increasing ionic strength can delay polymerization reaction. Idle time is shortened when pH of slurry decreased but mounted up rapidly when pH of slurry is under 1.7. Various inhibitors have different inhibit effect on polymerization under different temperatures. Composite inhibitor of phenothiazine and catechol can delay solidification of ceramic slurry effectively under 20-60*.

凝胶注模成型工艺中,为了延长操作时间,通常希望陶瓷浆料能延迟固化,即延长浆料的聚合诱导期.传统的方法是通过调节催化剂、引发剂的用量以及控制浆料的温度来实现这一目的.本文研究了其它各种延长诱导期的方法,包括改变浆料pH值、增加浆料中离子强度、加入阻聚剂等.研究发现,浆料中离子强度较高会使固化延迟;浆料pH值偏酸或偏碱,诱导期会急剧增加;加入适当的阻聚剂在不同温度下都可以使浆料延迟固化.

 
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