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1)  Temporary Plugging Agent
暂堵剂
1.
Laboratory evaluation on a new oil-soluble temporary plugging agent DFA for workover fluid;
修井液用新型油溶性暂堵剂DFA的室内性能评价
2.
Oil-soluble temporary plugging agent DGZ and its application.;
DGZ油溶性暂堵剂的研究与应用
3.
Research and application of temporary plugging agent in all fluids at operation.;
作业入井液中暂堵剂的研究与应用
2)  temporary blocking agent
暂堵剂
1.
Before borehole operation in gas well, the temporary blocking agent is squashed the near pay formation to make reservoir pressure keep changelessness, formation isn′t polluted by kill fluid in well bore.
在天然气井进行井下作业前,将暂堵剂挤入生产层位附近,以暂时封堵生产层,使地层压力不被释放,井筒内的压井液不污染地层,待施工作业结束后,及时进行解堵,确保天然气井不受伤害或少伤害,从而恢复天然气井的生产能力。
2.
On the basis of previous calculation method and the analysis of existing problems,a new calculation method is brought forward to prevent the excessive dosage of temporary blocking agent calculated with previous method.
压裂施工中暂堵剂用量合理与否,是决定选择性压裂和多裂缝压裂工艺成败的技术关键,同时也直接影响压裂井改造效果。
3.
The viscosity of our developed WLD temporary blocking agent can reach 10000mPa.
新研制的WLD暂堵剂成胶后粘度在10 000 mPa·s以上,经过一段时间后破胶,粘度可降至200 mPa·s以下。
3)  bridging agents
暂堵剂
1.
New theory and method for optimizing the particle size distribution of bridging agents in drilling fluids;
钻井液中暂堵剂颗粒尺寸分布优选的新理论和新方法
2.
The evaluation experiments of various bridging agents were conducted using the representatively natural cores, and the plugging projects were optimized.
室内实验及对现场井浆的分析结果表明 ,钻井液配方中加入复配的暂堵剂后 ,其性能无明显变化。
4)  all-purpose temporary plugging agent
广谱暂堵剂
5)  fracture type temporary bridging agent
裂缝暂堵剂
6)  temporary plugging agent
屏蔽暂堵剂
1.
At present, the optimal selection of temporary plugging agents(TPA) in application of the temporary plugging techniques(TPT) is based on experiment to some extent.
针对现有暂堵剂优选理论精确化、定量化程度不足的情况 ,在继承传统屏蔽暂堵剂优选理论的基础上引入分形几何理论 ,提出用分维数来定量描述储层岩心孔隙尺寸分布和暂堵剂粒度分布特征。
补充资料:暂堵剂
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性质:能暂时降低地层渗透性或暂时封堵高渗透油层的物质。与水溶性聚合物混合后注入井内,在压差的作用下能够迅速形成薄而致密的油层暂堵带,经过一定时间后可自行或人工解堵。根据其可溶性和作用原理不同,可分为以下四类:(1)酸溶性暂堵剂;(2)油溶性暂堵剂;(3)水溶性暂堵剂;(4)单向压力暂堵剂。例如在酸化时,酸液中加入石蜡、萘的粉粒或硅粉等固体颗粒;当酸液向高渗透段渗入时,固体颗粒即从酸液中滤出,把高渗透层的孔眼堵住,使酸液大部进入中、低渗透层段。酸化后,石蜡和萘粒被油溶解,硅粉随油、气流到地面。

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