-
公开(公告)号：US08177000B2
公开(公告)日：2012-05-15
申请号：US12489324
申请日：2009-06-22
IPC分类号： E21B10/633 , E21B10/28
CPC分类号： E21B7/28 , E21B10/28 , Y10T408/86
摘要： A modular back reamer to be used in subterranean drilling includes a drive stem connected to a drill string and configured to support a reamer body, the reamer body providing a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly at varying heights within a predetermined range, and a plurality of shims engaged within the receptacles to secure the cutting leg assemblies at a specified height within the predetermined range, wherein the cutting leg assembly is secured to the reamer body with at least one mechanical fastener.
摘要翻译： 用于地下钻孔的模块化后铰刀包括连接到钻柱并被配置为支撑铰刀主体的驱动杆，所述铰刀主体提供多个插座，其中所述插座构造成将切割腿组件保持在不同的高度 在预定范围内的多个垫片和接合在容器内的多个垫片，以将切割腿组件固定在预定范围内的指定高度，其中切割腿组件通过至少一个机械紧固件固定到扩孔器主体。
-
公开(公告)号：US20100252326A1
公开(公告)日：2010-10-07
申请号：US12489324
申请日：2009-06-22
CPC分类号： E21B7/28 , E21B10/28 , Y10T408/86
摘要： A modular back reamer to be used in subterranean drilling includes a drive stem connected to a drill string and configured to support a reamer body, the reamer body providing a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly at varying heights within a predetermined range, and a plurality of shims engaged within the receptacles to secure the cutting leg assemblies at a specified height within the predetermined range, wherein the cutting leg assembly is secured to the reamer body with at least one mechanical fastener.
摘要翻译： 用于地下钻孔的模块化后铰刀包括连接到钻柱并被配置为支撑铰刀主体的驱动杆，所述铰刀主体提供多个插座，其中所述插座构造成将切割腿组件保持在不同的高度 在预定范围内的多个垫片和接合在容器内的多个垫片，以将切割腿组件固定在预定范围内的指定高度，其中切割腿组件通过至少一个机械紧固件固定到扩孔器主体。
-
搜索结果
2 条记录 (耗时 0.018 秒)
