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发明名称
液力钻井导向器
摘要
本实用新型提供了一种用于石油勘探钻井的液力钻井导向器。本实用新型主要由心轴、下接头、异径套、活塞体及锚定机构组成,活塞体装在心轴内,锚定机构装在异径套中,它主要由柱销、锚爪、压板和压簧构成。本实用新型设计先进,结构合理,使用方便可靠,用于石油勘探钻井中井眼轨迹的控制。
申请公布号
CN2520404Y
申请公布日期
2002.11.13
申请号
CN01273310.5
申请日期
2001.12.11
申请人
谢天政
发明人
谢天政;刘光富;李燕
分类号
E21B7/04
主分类号
E21B7/04
代理机构
代理人
主权项
1、一种用于石油勘探钻井的液力钻井导向器,其心轴(12)和下接头(13)用螺纹连接在一起,异径套(2)装在心轴(12)外,在它们之间装有推力轴承(3)、径向轴承(5)、隔套(4)和外密封(11),扭方位机构装在心轴(12)上,其特征是在本实用新型的心轴内设有活塞体(1),在异径套(2)上装有若干个锚定机构。
地址
638250四川省蓬安县烟厂
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