• 责任者：Pan Xiaozhi (No.121 Geological Team of Fujian Province ; Longyan 364021 ; China)
• 刊名：Exploration Engineering
• 出版年：2013
• 卷期：40(11)
• 关键词：绳索取心 ; wire line coring
• 页码：p.28-31
• 图表：3 illus., 1 table, 7 refs.
• 分类号：2000
• issnNo：ISSN1672-7428
• isbnNo：CN11-5063/TD

     The formation characteristics of Longdong coalfield region are described, and based on the analysis on the main factors influencing the drilling construction, the drill bit diameter increasing, the borehole structure optimizing, the suitable drill bit for rock optimally selecting, mud system improving and other supporting technologies were adopted. The paper focuses on the prevention and treatment of the adhesive sticking drill accident.