The Evolution Process of the Core Drilling Methods Used in Wenchuan Earthquake Faults Scientific Drilling Project
详细信息
- 责任者：Zhang Wei (Institute of Exploration Technology ; CAGS ; Chengdu 611734 ; China) ; Fan Lasheng
- 刊名：Exploration Engineering
- 出版年：2013
- 卷期：40(7)
- 关键词：取心钻进 ; core drilling
- 页码：p.61-64,68
- 图表：4 illus., 2 tables, 6 refs.
- 分类号：2000
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
This article introduces the evolution process of the core drilling methods used in Wenchuan Earthquake Scientific Drilling Project.From PDM / hydro-hammer coring method to top-drive / wire-line coring method and finally to PDM / hydrohammer / long split barrel coring method,the coring methods used in this project underwent a series of changes.The main reasons for these changes are formation conditions,coring technology improvement and the development.
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