Discussion of Calculation Method for Core Recovery Percent of Air Reverse Circulation Sampling Drilling
详细信息
- 责任者：Deng Mengchun (Institute of Exploration Technology ; CAGS ; Chengdu 611734 ; China) ; Lu Shenglin
- 刊名：Exploration Engineering
- 出版年：2013
- 卷期：40(9)
- 关键词：反循环取心 ; reverse circulation coring ; 岩矿心采取率 ; core recovery
- 页码：p.6-8,13
- 图表：2 illus., 3 tables, 5 refs.
- 分类号：2000
- issnNo：ISSN1672-7428
- isbnNo：CN11-5063/TD
摘要
The paper introduces the situation of the calculation of core recovery percent by RC drilling in China. The calculation methods for weight recovery percent and volume recovery percent are discussed and the comparison is made on their advantages and disadvantages. The volume percent is suggested to be as the quality assessment index.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |