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1. 发明授权

US07798255B2 Drill bits having optimized cutting element counts for reduced tracking and/or increased drilling performance 有权
标题翻译：钻头具有优化的切削元件数量，以减少跟踪和/或增加钻井性能
公开(公告)号：US07798255B2
公开(公告)日：2010-09-21
申请号：US12009408
申请日：2008-01-16
申请人： Joshua Gatell , Amardeep Singh , Scott D McDonough , Mohammed Boudrare , Bryce A Baker , Allen D White , Brandon M Moss , Parveen K Chandila
发明人： Joshua Gatell , Amardeep Singh , Scott D McDonough , Mohammed Boudrare , Bryce A Baker , Allen D White , Brandon M Moss , Parveen K Chandila
IPC分类号： E21B10/00 , E21B10/36
CPC分类号： E21B10/16
摘要： A roller cone drill bit for drilling earth formation includes rows arranged on each of the cones such that, when viewed in routed profile, cutting element profiles partially overlap other cutting element profiles. The roller cone drill bit having at least a first three interior rows adjacent a gage row, each have a cutting element count selected from the group of 16, 18, 21 and 26 cutting elements.
摘要翻译：用于钻孔地层的滚子锥形钻头包括布置在每个锥体上的行，使得当在路线轮廓中观察时，切割元件轮廓部分地与其他切割元件轮廓重叠。滚子锥钻头具有至少一个与规格行相邻的前三个内排，每个具有选自16,18,21和26个切割元件的切割元件数量。

2. 发明授权

US07686104B2 Rolling cone drill bit having cutter elements positioned in a plurality of differing radial positions 有权
标题翻译：具有定位在多个不同径向位置的切割元件的滚动钻头
公开(公告)号：US07686104B2
公开(公告)日：2010-03-30
申请号：US11536299
申请日：2006-09-28
申请人： Amardeep Singh , Scott D. McDonough , Joshua Gatell , Mohammed Boudrare , Bryce A. Baker , Parveen K. Chandila , Brandon M. Moss , Allen D. White
发明人： Amardeep Singh , Scott D. McDonough , Joshua Gatell , Mohammed Boudrare , Bryce A. Baker , Parveen K. Chandila , Brandon M. Moss , Allen D. White
IPC分类号： E21B10/16
CPC分类号： E21B10/16
摘要： A drill bit for drilling through earthen formations and forming a borehole. In an embodiment, the bit comprises a bit body having a bit axis. In addition, the bit comprises a plurality of cone cutters, each of the cone cutters being mounted on the bit body and adapted for rotation about a different cone axis. Further, at least one cone cutter on the bit comprises an array of cutter elements mounted in a band. Still further, the cutter elements in the array are mounted in a plurality of differing radial positions relative to the bit axis.
摘要翻译：钻头通过土层钻孔并形成钻孔。在一个实施例中，该位包括具有位轴的位体。此外，钻头包括多个锥形切割器，每个锥形切割器安装在钻头体上并且适于围绕不同的锥体轴线旋转。此外，钻头上的至少一个锥形切割器包括安装在带中的切割器元件阵列。此外，阵列中的切割元件相对于钻头轴线安装在多个不同的径向位置。

3. 发明申请

US20080179102A1 DRILL BITS HAVING OPTIMIZED CUTTING ELEMENT COUNTS FOR REDUCED TRACKING AND/OR INCREASED DRILLING PERFORMANCE 有权
标题翻译：具有优化的切割元件的钻头，减少跟踪和/或增加的钻孔性能
公开(公告)号：US20080179102A1
公开(公告)日：2008-07-31
申请号：US12009408
申请日：2008-01-16
申请人： Joshua Gatell , Amardeep Singh , Scott D. McDonough , Mohammed Boudrare , Bryce A. Baker , Allen D. White , Brandon M. Moss , Parveen K. Chandila
发明人： Joshua Gatell , Amardeep Singh , Scott D. McDonough , Mohammed Boudrare , Bryce A. Baker , Allen D. White , Brandon M. Moss , Parveen K. Chandila
IPC分类号： E21B10/08
CPC分类号： E21B10/16
摘要： A roller cone drill bit for drilling earth formation may include rows arranged on each of the cones such that when viewed in routed profile, cutting element profiles partially overlap with other cutting element profiles and at least the first three interior rows adjacent a gage row each have a cutting element count selected from the group of 16, 18, 21 and 26 cutting elements.
摘要翻译：用于钻孔地层的辊锥钻头可以包括布置在每个锥体上的排，使得当在路线轮廓中观察时，切割元件轮廓部分地与其他切割元件轮廓重叠，并且至少与量具行相邻的前三个内部行各具有选自16,18,21和26个切割元件的切割元件数。

4. 发明申请

US20080060852A1 Gage configurations for drill bits 审中-公开
标题翻译：钻头的量规配置
公开(公告)号：US20080060852A1
公开(公告)日：2008-03-13
申请号：US11517179
申请日：2006-09-07
申请人： Parveen K. Chandila , Bryce Baker
发明人： Parveen K. Chandila , Bryce Baker
IPC分类号： E21B10/16
CPC分类号： E21B10/16
摘要： A drill bit includes a plurality of cutting elements are positioned on the at least two roller cones, wherein cutting elements contributing to an operative gage row of the drill bit comprise less than 31 percent of a total cutting elements of the drill bit that contact the bottom of the borehole. A method to design a roller cone drill bit includes designing an initial bit, testing the initial bit; and adjusting the bit design to optimize at least one of rate of penetration and wear resistance, wherein cutting elements contributing to an operative gage row of the adjusted bit design comprise less than 31 percent of a total of cutting elements on the adjusted bit design that contact a bottom of a borehole.
摘要翻译：钻头包括多个切割元件，其定位在所述至少两个滚子锥体上，其中对钻头的操作计量行进行贡献的切割元件包括少于钻头的总切割元件的31％的钻孔。设计辊锥钻头的方法包括设计初始位，测试初始位; 并且调整钻头设计以优化穿透速率和耐磨性中的至少一个，其中对调节钻头设计的操作量具行有贡献的切削元件包括小于调节钻头设计中的总共切削元件的31％钻孔的底部。

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