井眼缩径 meaning in Chinese

hole shrinkage

Application of flac in borehole shrinkage in formation of plaster stone and salt stone
盐膏岩地层的井眼缩径变形分析
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。