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    • 1. 发明申请
    • ULTRA-HARD DRILLING STABILIZER
    • 超硬钻井稳定器
    • WO2010056373A1
    • 2010-05-20
    • PCT/US2009/006157
    • 2009-11-17
    • OMNI IP LTD.
    • WILDE, DavidSHAMBURGER, James
    • E21B17/10
    • E21B17/1078E21B10/26
    • A drilling stabilizer having body and a plurality of blades integrally cast from tungsten carbide particles bound together with a heated metal binder, for use in drilling oil and gas wells, has a first box end and a second pin end at the distal end of the stabilizer. A plurality of PDC cutters are mounted on the top end of the stabilizer to allow the stabilizer to be used as a reamer when pulling the stabilizer out of the borehole. A steel tube is formed within the interior of the stabilizer in the molding process and which allows the pin end to have steel threads and the box end to also have steel threads to facilitate the makeup of the stabilizer with either the steel threads of a drill bit or the steel threads of joints of drill pipe.
    • 具有主体的钻井稳定器和与用于钻井油气井的加热的金属粘合剂结合在一起的碳化钨颗粒一体铸造的多个叶片具有在稳定器的远端处的第一箱端和第二销端 。 多个PDC切割器安装在稳定器的顶端,以便在将稳定器从钻孔中拉出时允许稳定器用作铰刀。 钢管在模制过程中形成在稳定器的内部,并且允许销端具有钢丝,并且箱端也具有钢丝,以便于利用钻头的钢线 或钻杆接头的钢丝螺纹。