钻探作业 meaning in English
drilling operation
Examples
- Offshore drilling operation
近海钻探作业 - 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 - Abstract : tight trips often occur for hole undergauge during drilling in east sichuan oilfield . the paper analysis the causes of hole undergauge , proposes preventive and treatment measures which are to optimize design from geologic structure features , to use suitable fluid column pressure , to select different drilling fluid types , to adopt advanced drilling technology and perfect field technical management . therefore , good economic benefit will be obtained
文摘:川东构造在钻探作业中因井眼缩径造成起下钻的阻卡时有发生，文中对造成井眼缩小的原因进行分析并划分为五类因素，提出应在地质构造特征方面优化设计，采用合适的液柱压力，选择不同的钻井液类型，使用先进的钻井工艺和完善现场技术管理等措施进行预防和处理，将取得重大的经济效益。