缘属 meaning in English

fimbriaria

Water shutoff agent dsz - a is composed of inorganic particle . its specialities are low cost , easily flow , high strength and long valid period . the agent suits non - selective water shutoff in sand formation . dsz - a not only can plug high water - bearing formation , but also can plug case leakage . dsz - a has been applied on site and gotten good effect . it is a agent which has wide prospect
准噶尔南缘属山前推覆挤压构造,地质条件十分复杂.地层主要是泥岩与砂质泥岩为主,尤其是安集海河组,泥岩石中的蒙脱石含量高,存在龟裂、硬碎性页岩和强水敏、易造浆的泥页岩,易水化膨胀、坍塌、缩径.针对这些难点,采取确定井身轨迹设计及控制原则,平衡钻井及井控技术、固井工艺技术、复杂情况的预防和处理等技术措施,成功地进行了该地区的钻探作业,取得了良好的经济效益和社会效益