| 喷射式局部反循环绳索取心钻具 |
| |
| 引用本文： | 刘成才. 喷射式局部反循环绳索取心钻具[J]. 探矿工程(岩土钻掘工程), 2008, 35(9): 35-36 |
| |
| 作者姓名： | 刘成才 |
| |
| 作者单位： | 青海省有色地勘局八队,青海,西宁,810012 |
| |
| 摘 要： | 针对金矿复杂破碎地层钻探存在的岩心采取困难、孔内漏失严重等问题,改进绳索取心钻具,增加了局部反循环装置,研制出一套适应性广、取心可靠的可调喷射反循环钻具,提高岩心采取率,取得了良好的效果。介绍了该钻具的结构原理、适应范围及应用效果。
|
| 关 键 词： | 绳索取心钻进 局部反循环 钻具 岩心采取率 |
| 收稿时间： | 2008-05-06 |
Wire-line Coring Drilling Tool with Local Rejecting Reverse Circulation |
| |
| LIU Cheng-cai. Wire-line Coring Drilling Tool with Local Rejecting Reverse Circulation[J]. Exploration Engineering （Rock & Soil Drilling and Tunneling）, 2008, 35(9): 35-36 |
| |
| Authors: | LIU Cheng-cai |
| |
| Affiliation: | 8th Team of Qinghai Province Non-ferrous Metal Geo-exploration Bereau |
| |
| Abstract: | According to the difficulties of coring in complex broken gold formation and leakage in borehole,wire-line coring tool was modified by putting on local reverse circulation apparatus.The paper introduced the structure principles,application and the applying result. |
| |
| Keywords: | wire-line coring drilling local reverse circulation drilling tool coring rate |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《探矿工程(岩土钻掘工程)》浏览原始摘要信息 |
|
点击此处可从《探矿工程(岩土钻掘工程)》下载全文 |
|
