Sediment incipient motion mechanism of rainfall runoff is the important theoretical foundation for soil and water loss control on sloping land and comprehensive treatment of watershed.
坡面降雨径流泥沙起动规律研究对控制坡面水土流失、开展流域综合治理具有重要意义。
Adding a clay deflocculant to freshwater mud typically improves fluid-loss control.
在淡水泥浆中加入粘土悬浮剂会大大增强滤失控制。
Delimiting of key zones for soil and water loss control is an important work during soil and water conservation plan.
重点防治区的划定是区域水土保持规划的一项重要内容。
Foam acidizing is used on carbonate reservoirs, because it is more retarded and has better fluid-loss control than normal acid.
泡沫酸化用于碳酸盐储层，因为它与正常酸相比反应速度较慢而且防滤失性能较好。
A cement composition comprising water, a cement, and a fluid loss control additive, the fluid loss control additive comprising a graft copolymer.
本发明提供一种水泥组合物，其包含水、水泥和失液量控制添加剂，所述失液量控制添加剂包括接枝共聚物。
A byproduct of wood-pulp waste and sulfite paper manufacturing that is used as an organic drilling-mud additive for fluid-loss control, as a thinner, and for shale inhibition.
木纸浆废料和亚硫酸盐制纸时的副产品。木质素磺酸盐用作钻井泥浆的有机添加剂，如降滤失剂、稀释剂以及页岩抑制剂。
Methods of preparation of a oil field drilling mud water - loss control additive with waste PAN fiber hydrolyzed at high pressure had been studied and had tested its properties.
研究了用废腈纶经高压釜中水解制备油田钻井泥浆降失水剂的方法，并进行了性能试验。
Control of fluid loss for a mud is achieved by several means, one of which is by addition of fluid-loss-control materials to the mud system.
可以通过几种方法控制泥浆滤失，其中一种方法是在泥浆中加入降滤失材料。
Control of fluid loss for a mud is achieved by several means, one of which is by addition of fluid-loss-control materials to the mud system.
可以通过几种方法控制泥浆滤失，其中一种方法是在泥浆中加入降滤失材料。
应用推荐