Analysis oo Core Blockage Mechanism in the Core Drilling Operation of Wenchuan Earthquake Fault Scientific Drilling Project

详细信息   

• 责任者：Zhuang Shengming (Institute of Exploration Technology ; CAGS ; Chengdu 611734 ; China) ; Luo Guangqiang
• 刊名：Exploration Engineering
• 出版年：2013
• 卷期：40(7)
• 关键词：取心钻进 ; core drilling
• 页码：p.65-68
• 图表：9 illus., 1 table, 6 refs.
• 分类号：2000
• issnNo：ISSN1672-7428
• isbnNo：CN11-5063/TD

摘要

By the analysis on core blockage mechanism with split core barrel for the coring operation of the borehole No.4 of Wenchuan Earthquake Fault Scientific Drilling Project,the paper summarized 4 core blockage forms.Some technical measures to reduce core blockage are suggested for each type of the core blockage form.