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取心钻具
    HZ308 Multi-Function Core Barrel
    HZ308多功能取心钻具
    Application of HZ308 Multi-function Core Barrel in a Gold Mine
    HZ308多功能取心钻具在某金矿区的应用效果
    Development and Application of KZ Single Rotary and Double Tube Core Barrel
    KZ型单动双管取心钻具的研制与应用
    Abstract This article introduces the structure, property, working theory and field test results of HZ 308 multi-function core barrel.
    介绍了HZ308多功能取心钻具的结构、特点,工作原理及生产试验情况.
    Abstract: This paper introduces the main specifications, drill string, double tube core barrel asse-
    介绍了中深钻孔用的S 96绳索取心钻具的主要技术参数,钻杆柱,双管总成,地表附属工具及特殊取心工具等,该钻具在生产试用中获得了较好的效果。
    Based on application of HZ308 multi-function core barrel in altered rocks and quartz vein gold ore forrnation measures ard proposed for preventing core blockage and wear due to using of the bottom jet flow bit.
    通过HZ308多功能取心钻具在蚀变岩型和石英脉型金矿地层的应用,提出了防止底喷分流式钻头堵心、减少其损耗的措施。
    The application of two types of self designing and developing core barrel in tertiary sandstone containing shingle and conglomerate of Songliao Basin was introduced.
    介绍了自行设计加工的 2种取心钻具在松辽盆地第三系含砾砂岩、砂砾岩层的应用情况。
    The specialty and significant of high precision cold drawing techniques were introduced. The application prospect of high accuracy drawing techniques in geological pipe process was expounded,based on the inner barrel process techniques of large diameter and thin wall double tube core barrel used in Well CCSD-1.
    介绍了高精度冷拔技术的特点及意义,结合“科钻一井”施工中使用的大直径薄壁单动双管取心钻具中的岩心内管拔制工艺,阐述了高精度冷拔技术在地质管材加工中的应用前景。
 

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