公开(公告)号：US20090133938A1

公开(公告)日：2009-05-28

申请号：US12366706

申请日：2009-02-06

申请人： David R. Hall ,  Ronald B. Crockett ,  Joe Fox

发明人： David R. Hall ,  Ronald B. Crockett ,  Joe Fox

IPC分类号： E21B10/46 ,  B22F3/12

CPC分类号： E21B10/5673 ,  B22F2998/00 ,  C22C26/00 ,  C22C2204/00 ,  E21C2035/1813 ,  E21C2035/1816 ,  B22F2207/03

摘要： In one aspect of the present invention, an insert comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate. The diamond body comprises a substantially conical shape with conical side wall terminating at an apex. The diamond body comprises a first region with a metallic catalyst dispersed through interstices between the diamond grains and a second region proximate the apex with the characteristic of higher thermal stability than the first region.

摘要翻译： 在本发明的一个方面，插入件包括结合到胶合金属碳化物基底的烧结多晶金刚石体。 金刚石主体包括基本上圆锥形的形状，其圆锥形侧壁终止于顶点。 金刚石体包括具有分散在金刚石晶粒之间的间隙的金属催化剂的第一区域和靠近顶点的第二区域，其特征在于具有比第一区域更高的热稳定性。

公开(公告)号：US07517203B1

公开(公告)日：2009-04-14

申请号：US12241159

申请日：2008-09-30

申请人： David R. Hall ,  Timothy C. Duke ,  Scott Dahlgren ,  Ronald B. Crockett

发明人： David R. Hall ,  Timothy C. Duke ,  Scott Dahlgren ,  Ronald B. Crockett

IPC分类号： B29C43/04

CPC分类号： B30B11/004 ,  Y10S425/026

摘要： In one aspect of the invention, a cartridge assembly is adapted for connection to a frame of a high pressure, high temperature press having a front end with a back up intermediate and coaxial with an anvil and a piston. The back up has an anterior end proximate the anvil and posterior end proximate the piston. The cartridge assembly has a hydraulic system adapted to apply axial pressure to the back-up through the piston to axially move the front end with respect to a cartridge body. The assembly also has a centralizing assembly with a rod rigidly attached to the cartridge body at a first end and a second end adapted to slide within a peripheral bore formed in the front end.

公开(公告)号：US07513764B1

公开(公告)日：2009-04-07

申请号：US12241137

申请日：2008-09-30

申请人： David R. Hall ,  Timothy C. Duke ,  Scott Dahlgren ,  Ronald B. Crockett

发明人： David R. Hall ,  Timothy C. Duke ,  Scott Dahlgren ,  Ronald B. Crockett

IPC分类号： B29C43/04

CPC分类号： B30B11/004 ,  Y10S425/026

摘要： In one aspect of the invention, a cartridge assembly is adapted for connection to a frame of a high pressure, high temperature press having a front end with a back up intermediate and coaxial with an anvil and a piston. The back up has an anterior end proximate the anvil and posterior end proximate the piston. The cartridge assembly has a hydraulic system adapted to apply axial pressure to the back-up through the piston to axially move the front end with respect to a cartridge body. The assembly also has a centralizing assembly with a rod rigidly attached to the cartridge body at a first end and a second end adapted to slide within a peripheral bore formed in the front end.

公开(公告)号：US20080036270A1

公开(公告)日：2008-02-14

申请号：US11742304

申请日：2007-04-30

申请人： David R. Hall ,  Ronald B. Crockett ,  Jeff Jepson ,  Francis Leany

发明人： David R. Hall ,  Ronald B. Crockett ,  Jeff Jepson ,  Francis Leany

IPC分类号： E21C25/14

CPC分类号： E21C35/183 ,  E21C35/19 ,  E21C35/1933 ,  E21C2035/1806

摘要： In one aspect of the invention, a degradation assembly comprises a holder. The holder is attached to a driving mechanism and comprises a longitudinal central bore. A pick comprises a body intermediate a shank and an impact tip, and the shank is disposed in the central bore of the holder. The impact tip comprises an impact surface diamond or cubic boron nitride. At least one rolling element is disposed intermediate an inner bore surface and the shank, and is adapted for low-friction rotation with respect to both the inner bore surface and the shank.

摘要翻译： 在本发明的一个方面，降解组件包括保持器。 保持器附接到驱动机构并且包括纵向中心孔。 拾取器包括在柄部和冲击尖端之间的身体，并且柄部设置在保持器的中心孔中。 撞击尖端包括冲击表面金刚石或立方氮化硼。 至少一个滚动元件设置在内孔表面和柄之间，并且适于相对于内孔表面和柄部的低摩擦旋转。

公开(公告)号：US09540886B2

公开(公告)日：2017-01-10

申请号：US13342523

申请日：2012-01-03

申请人： David R. Hall ,  Ronald B. Crockett ,  Jeff Jepson ,  Scott Dahlgren ,  John Bailey

发明人： David R. Hall ,  Ronald B. Crockett ,  Jeff Jepson ,  Scott Dahlgren ,  John Bailey

IPC分类号： E21B10/567 ,  E21B10/573

CPC分类号： E21B10/5735 ,  E21B10/5673 ,  E21B10/5676

摘要： In one aspect of the invention, a high impact resistant tool includes a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The superhard material has a substantially pointed geometry with a sharp apex having a radius of curvature of 0.050 to 0.125 inches. The superhard material also has a thickness of 0.100 to 0.500 inches thickness from the apex to a central region of the cemented metal carbide substrate.

摘要翻译： 在本发明的一个方面，高抗冲击工具包括在非平面界面处结合到胶合金属碳化物基底的超硬材料。 超硬材料具有基本上尖锐的几何形状，其尖锐的顶点具有0.050至0.125英寸的曲率半径。 该超硬材料还具有厚度为0.100至0.500英寸的厚度，从顶点到胶结金属碳化物基底的中心区域。

公开(公告)号：US08960337B2

公开(公告)日：2015-02-24

申请号：US12828287

申请日：2010-06-30

申请人： David R. Hall ,  Ronald B. Crockett ,  Casey Webb ,  Michael Beazer

发明人： David R. Hall ,  Ronald B. Crockett ,  Casey Webb ,  Michael Beazer

IPC分类号： E21B10/46 ,  E21B10/52 ,  E21B10/567 ,  E21B10/573

CPC分类号： B28D1/186 ,  B02C4/305 ,  E21B10/5673 ,  E21B10/5676 ,  E21B10/5735 ,  E21C35/183 ,  Y10T407/26 ,  Y10T408/81

摘要： In one aspect of the present invention, a high impact resistant tool comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate at an interface, the body comprising a substantially pointed geometry with an apex, the apex comprising a curved surface that joins a leading side and a trailing side of the body at a first and second transitions respectively, an apex width between the first and second transitions is less than a third of a width of the substrate, and the body also comprises a body thickness from the apex to the interface greater than a third of the width of the substrate.

摘要翻译： 在本发明的一个方面，高抗冲击工具包括在界面处结合到胶合金属碳化物基底的烧结多晶金刚石体，该主体包括具有顶点的基本上尖锐的几何形状，该顶点包括与 分别在第一和第二过渡处的主体的前侧和后侧，第一和第二过渡之间的顶点宽度小于衬底的宽度的三分之一，并且主体还包括从顶部到顶部的主体厚度 界面大于衬底宽度的三分之一。

公开(公告)号：US08839888B2

公开(公告)日：2014-09-23

申请号：US12766555

申请日：2010-04-23

申请人： David R. Hall ,  Ronald B. Crockett ,  Marcus Skeem ,  Francis Leany ,  Casey Webb

发明人： David R. Hall ,  Ronald B. Crockett ,  Marcus Skeem ,  Francis Leany ,  Casey Webb

IPC分类号： E21B10/36 ,  E21B10/55 ,  E21B10/43

CPC分类号： E21B10/43 ,  E21B10/42 ,  E21B10/55 ,  E21B2010/425

摘要： In one aspect of the invention, a fixed bladed drill bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit. Each blade comprises a plurality of pointed cutting elements and another plurality of shearing cutters. The plurality of shearing cutters comprises a first shearing cutter. The first shearing cutter on each blade tracks the first shearing cutter on other blades along a common circular cutting path.

摘要翻译： 在本发明的一个方面，固定刀片钻头包括工作表面，该工作表面包括会聚在工作表面的中心并朝向钻头的量规发散的多个叶片。 每个叶片包括多个尖锐的切割元件和另外多个剪切刀。 多个剪切刀包括第一剪切刀。 每个刀片上的第一个剪切刀沿着共同的圆形切割路径跟踪其他刀片上的第一个剪切刀。

公开(公告)号：US08728382B2

公开(公告)日：2014-05-20

申请号：US13074276

申请日：2011-03-29

申请人： David R. Hall ,  Ronald B. Crockett

发明人： David R. Hall ,  Ronald B. Crockett

IPC分类号： C04B35/645

CPC分类号： C04B35/6455 ,  C04B35/52 ,  C04B35/6261 ,  C04B35/6268 ,  C04B2235/3847 ,  C04B2235/405 ,  C04B2235/427 ,  C04B2235/80

摘要： In one aspect of the invention, a method of forming polycrystalline diamond comprises providing a can assembly comprising a preform of diamond powder with a first catalyst, the preform being adjacent a solid substrate with a second catalyst. The pressure and/or temperature on the can assembly increases until the first catalyst and carbon from the diamond powder begin to form a melting composition within the preform. The pressure and temperature may be held substantially constant on the can assembly until the melting composition has catalyzed crystalline growth in at least a portion of the preform. The pressure and/or temperature are then increased on the assembly until the second catalyst within the substrate is released into the preform.

摘要翻译： 在本发明的一个方面，一种形成多晶金刚石的方法包括提供包括金刚石粉末预制件的罐组件与第一催化剂，预成型件与第二催化剂相邻的固体基材。 罐组件上的压力和/或温度增加，直到来自金刚石粉末的第一催化剂和碳开始在预制件内形成熔融组分。 压力和温度可以在罐组件上保持基本上恒定，直到熔融组合物在预型体的至少一部分催化结晶生长。 然后在组件上增加压力和/或温度，直到衬底内的第二催化剂释放到预成型件中。

公开(公告)号：US08567532B2

公开(公告)日：2013-10-29

申请号：US12619305

申请日：2009-11-16

申请人： David R. Hall ,  Ronald B. Crockett ,  Marcus Skeem ,  Francis Leany ,  Casey Webb

发明人： David R. Hall ,  Ronald B. Crockett ,  Marcus Skeem ,  Francis Leany ,  Casey Webb

IPC分类号： E21B10/43

CPC分类号： E21B10/42 ,  E21B10/55 ,  E21B10/5673 ,  E21B10/5735

摘要： A downhole fixed bladed bit comprises a working surface comprising a plurality of blades converging at a center of the working surface and diverging towards a gauge of the bit, at least on blade comprising a cutting element comprising a superhard material bonded to a cemented metal carbide substrate at a non-planer interface, the cutting element being positioned at a positive rake angle, and the superhard material comprising a substantially conical geometry with an apex comprising a curvature.

摘要翻译： 井下固定刀片包括工作表面，该工作表面包括多个叶片，所述多个刀片在工作表面的中心处会聚并且朝向该钻头的量规发散，至少在刀片上包括切割元件，该切割元件包括结合到胶合金属碳化物基底的超硬材料 在非平面界面处，所述切割元件被定位在正前角，并且所述超硬材料包括基本上圆锥形的几何形状，其顶点包括曲率。

公开(公告)号：US08500209B2

公开(公告)日：2013-08-06

申请号：US12428531

申请日：2009-04-23

申请人： David R. Hall ,  Ronald B. Crockett ,  Gary Peterson ,  Jeff Jepson

发明人： David R. Hall ,  Ronald B. Crockett ,  Gary Peterson ,  Jeff Jepson

IPC分类号： E21C35/197

CPC分类号： E21C35/183 ,  A47C3/00 ,  B28D1/186 ,  E21B10/16 ,  E21B10/36 ,  E21C35/18 ,  E21C35/197 ,  E21C2035/1806 ,  E21C2035/1826

摘要： A degradation assembly comprises a rotary portion and a stationary portion. The rotary portion includes a cemented metal bolster bonded to a tip. The tip comprises a symmetric, substantially conically shaped tip formed of diamond and a cemented metal carbide substrate. The stationary portion comprises a holder configured to be coupled to a block mounted to a driving mechanism. A compressible element is disposed intermediate, or between, and in mechanical contact with both the rotary portion and the stationary portion.

摘要翻译： 降解组件包括旋转部分和静止部分。 旋转部分包括粘合到尖端的胶合金属垫块。 尖端包括由金刚石和胶结金属碳化物基底形成的对称的，基本上圆锥形的末端。 固定部分包括被配置为联接到安装到驱动机构的块的保持器。 可压缩元件设置在旋转部分和静止部分两者之间或之间并且与机械接触。