| 液动锤钻进减轻岩心堵塞机理的研究 |
| |
| 引用本文： | 赵远刚,张伟. 液动锤钻进减轻岩心堵塞机理的研究[J]. 探矿工程, 2013, 40(7): 81-83 |
| |
| 作者姓名： | 赵远刚 张伟 |
| |
| 作者单位： | 中国地质大学〈武汉〉工程学院,中国地质科学院探矿工艺研究所 |
| |
| 基金项目： | 科技部科技支撑重大专项“汶川地震断裂带科学钻探（WFSD）”项目之“科学钻探与科学测井”课题 |
| |
| 摘 要： | 通过对液动锤取心钻进过程中钻具的受力分析，论述了液动锤减轻岩心堵塞的作用机理，阐明了液动锤钻进技术的适用地层范围，介绍了其在汶川地震断裂带科学钻探工程WFSD-4号孔中应用取得的成果。
|
| 关 键 词： | 岩心钻探；液动锤；岩心堵塞；作用机理 |
| 收稿时间： | 2013-06-26 |
| 修稿时间： | 2013-06-26 |
Study on Mechanism of Reducing Core Blockage in Hydro-hammer Drilling |
| |
| ZHAO Yuan-gang and ZHANG Wei. Study on Mechanism of Reducing Core Blockage in Hydro-hammer Drilling[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2013, 40(7): 81-83 |
| |
| Authors: | ZHAO Yuan-gang and ZHANG Wei |
| |
| Affiliation: | Faculty of Engineering, China University of Geosciences and Institute of Exploration Technology, CAGS |
| |
| Abstract: | By the force analysis on core barrel in hydro-hammer coring drilling process, this paper discusses the action mechanism of reducing core blockage in hydro-hammer drilling. In addition, the applicable stratum range for hydro-hammer drilling are clarified and the results achieved during the drilling operation for the hole WFSD-4 of Wenchuan earthquake fault scientific drilling project are introduced. |
| |
| Keywords: | core drilling hydraulic hammer core blockage action mechanism |
|
| 点击此处可从《探矿工程》浏览原始摘要信息 |
|
点击此处可从《探矿工程》下载免费的PDF全文 |
