CGD-1型大口径全套管冲击抓斗的设计和应用
投稿时间：2005-03-13  修订日期：2005-03-13  点此下载全文
引用本文：冯起赠,宋志彬,王年友.CGD-1型大口径全套管冲击抓斗的设计和应用[J].钻探工程,2005,32(6):38-40.
FENG Qi-zeng,SONG Zhi-bin,WANG Nian-you. Design and Application of Large Diameter Fully Casing Impact Bucket Grab CGD-1[J]. Drilling Engineering, 2005,32(6):38-40.
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作者单位E-mail
冯起赠 中国地质科学院勘探技术研究所 fengqizeng@cniet.com 
宋志彬 中国地质科学院勘探技术研究所  
王年友 中国地质科学院勘探技术研究所  
中文摘要:CGD－1型大口径全套管冲击抓斗主要是配套全套管钻机施工而研制的。该抓斗主要适用于复杂地层的施工。介绍了该抓斗的技术参数、性能特点、主要结构及试验情况。
中文关键词:冲击抓斗  全套管钻机  增力机构  脱挂机构
 
Design and Application of Large Diameter Fully Casing Impact Bucket Grab CGD-1
Abstract:Large Diameter Fully Casing Impact Bucket Grab CGD-1 was designed and development mainly for mating the fully casing drill rig. The Grab is mainly suitable to be used in complex formations. The technical parameters, performance features, main structure and test results were introduced.
keywords:impact bucket grab  fully casing drill rig  force increase mechanism  hanger casting mechanism
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