-
公开(公告)号：US10030452B2
公开(公告)日：2018-07-24
申请号：US14206228
申请日：2014-03-12
IPC分类号： E21B10/567 , E21B10/55 , E21B10/43
CPC分类号： E21B10/5673 , E21B10/43 , E21B10/55
摘要： A cutting tool may includes a tool body; a plurality of blades extending from the tool body; and a plurality of non-planar cutting elements disposed along each of the plurality of blades, the plurality of non-planar cutting elements form a cutting profile, in a rotated view of the plurality of non-planar cutting elements into a single plane, the cutting profile including a cone region, a nose region, a shoulder region, and a gage region. The plurality of non-planar cutting elements include a first shape in at least one of the cone region, nose region, shoulder region, and gage region, and a second, different shape in at least one other region.
-
公开(公告)号：US09915098B2
公开(公告)日：2018-03-13
申请号：US14656806
申请日：2015-03-13
摘要： Systems facilitate forming lateral wellbores by optionally eliminating one or more trips downhole. The systems provide for forming a lateral wellbore by enabling the milling of a casing window and/or the drilling of the desired lateral wellbore to a target depth during a single trip down hole. The systems also facilitate improved downhole dynamics control and overall bottom hole assembly functionality.
-
公开(公告)号：US20170341147A1
公开(公告)日：2017-11-30
申请号：US15536875
申请日：2015-11-19
发明人： Yahua Bao
CPC分类号： B22F3/15 , B22F3/14 , B22F5/00 , B22F7/02 , B22F2005/001 , B22F2301/15 , B22F2302/406 , B22F2304/10 , C22B23/0415 , C22C1/1036 , C22C26/00
摘要： A method of making a polycrystalline diamond compact includes forming a first layer of polycrystalline diamond precursor materials comprising diamond particles and a first concentration of catalyst, forming a second layer of polycrystalline diamond precursor materials comprising diamond particles and a second concentration of catalyst, and placing a layer of an infiltrant material in the proximity of the first or the second layer of polycrystalline diamond precursor materials. The second concentration of catalyst is greater than the first concentration of catalyst. The infiltrant material is a catalyst. The first layer and the second layer are sintered under high-pressure high-temperature conditions in the presence of the infiltrant material to form the polycrystalline diamond compact. At least a portion of the catalyst is leached from the polycrystalline diamond compact.
-
公开(公告)号：US20170335633A1
公开(公告)日：2017-11-23
申请号：US15524284
申请日：2015-11-06
发明人： Feng Yu
CPC分类号： E21B10/55 , B01J3/062 , B01J2203/0655 , B01J2203/0685 , B23P15/28 , E21B10/003 , E21B10/567 , E21B10/62 , E21B10/633
摘要： Roller cutters comprise a diamond-bonded body joined to an infiltration substrate. An extension is joined to the substrate and includes first section having a diameter sized the same as the substrate, and an integral second section having a diameter smaller than the substrate. The extension is joined to the substrate during an HPHT process. The first section has a thickness greater than that of the infiltration substrate. The second section has an axial length greater than the combined thickness of the substrate and the first section. The extension has a strength and/or toughness greater than the substrate as a result of its material composition, e.g., the amount of binder phase material and/or the size of hard phase material. The roller cutter is rotatably disposed within a pocket internal cavity, wherein the pocket is attached to a
-
公开(公告)号：US09822599B2
公开(公告)日：2017-11-21
申请号：US14882692
申请日：2015-10-14
发明人： Vishal Saheta , Richard David Peer , Brian Mohon
IPC分类号： E21B31/113 , E21B31/107
CPC分类号： E21B31/1135 , E21B31/107 , E21B31/113
摘要： A jar includes the following: a mandrel; an outer housing slidably disposed about the mandrel; a low pressure chamber having a first port and formed between the mandrel and the outer housing; a high pressure chamber having a second port and formed between the mandrel and the outer housing; a fluid passage between the first and second port; and a valve disposed in the fluid passage.
-
公开(公告)号：US20170292330A1
公开(公告)日：2017-10-12
申请号：US15477898
申请日：2017-04-03
IPC分类号： E21B10/55 , E21B10/567
CPC分类号： E21B10/55 , E21B10/567 , E21B2010/545
摘要： A bit has a bit body. A pocket is formed in a surface of the bit body. The pocket has an opening at the surface and is defined by a rear wall with a sidewall extending between the rear wall and the surface. The pocket includes a stress relief feature at a front end of the sidewall to reduce stress concentrations in the bit body at or near the pocket, a stress relief feature at a rear end of the sidewall to reduce stress concentrations in the bit body at or near the pocket, or stress relief features at both front and rear ends of the sidewall.
-
公开(公告)号：US09695637B2
公开(公告)日：2017-07-04
申请号：US14198890
申请日：2014-03-06
摘要： A turbine drive may include a rotor that includes multiple turbine blades arranged in one or more turbine stages, as well as a stator cooperating with the rotor to direct fluid against the turbine blades and convert hydraulic, kinetic energy into rotational energy. The rotor may be fixed to the shaft to rotate synchronously therewith. The stator may be formed of multiple components that can be coupled together to define the stator and encompass the turbine blades of the turbine stages of the rotor. Two stator halves may each include vanes for positioning above and below a corresponding turbine stage, to direct fluid against the turbine blades. The stator may also be connected to a housing that encompasses the stator. Longitudinal slots and tabs on the stator and housing may hold the stator stationary relative to the housing.
-
公开(公告)号：US09539704B2
公开(公告)日：2017-01-10
申请号：US14209768
申请日：2014-03-13
发明人： Yahua Bao
CPC分类号： B24D18/0009 , B24D3/04 , B24D99/005 , E21B10/55 , E21B10/567
摘要： A polycrystalline diamond body, and a method for making a carbonate polycrystalline diamond body includes combining a first quantity of diamond particles with a first quantity of magnesium carbonate to form a first layer in an enclosure, the first layer having a working surface, and placing a second quantity of magnesium carbonate in the enclosure forming a second layer, the first layer and the second layer forming an assembly. A quantity of at least one of silicon or aluminum is mixed in with or placed adjacent to at least one of the first layer or the second layer. The assembly, including the at least one of silicon or aluminum, is sintered at high pressure and high temperature, causing the at least one of silicon or aluminum to infiltrate at least one layer of the assembly, forming a polycrystalline diamond body.
摘要翻译： 一种多晶金刚石体和一种制造碳酸盐多晶金刚石体的方法，包括将第一量的金刚石颗粒与第一量的碳酸镁组合以在外壳中形成第一层，第一层具有工作表面， 第二量的碳酸镁在外壳中形成第二层，第一层和第二层形成组件。 硅或铝中的至少一种的量与第一层或第二层中的至少一个混合在一起或与第一层或第二层中的至少一个相邻。 包括硅或铝中的至少一种的组件在高压和高温下被烧结，导致硅或铝中的至少一种渗透至少一层组件，形成多晶金刚石体。
-
公开(公告)号：US09539703B2
公开(公告)日：2017-01-10
申请号：US14213721
申请日：2014-03-14
发明人： Yahua Bao
CPC分类号： B24D18/0009 , B24D99/005 , E21B10/55 , E21B10/567
摘要： A method for making a carbonate polycrystalline diamond body includes combining a first quantity of diamond with a first quantity of magnesium carbonate to form a first layer for forming a working surface, and combining a second quantity of magnesium carbonate to form a second layer adjacent to the first layer, forming an assembly. The method includes placing a quantity of silicon or aluminum in or adjacent to at least a portion of the assembly and sintering the assembly including the silicon or aluminum at high pressure and high temperature, causing the silicon or aluminum to infiltrate at least one layer of the assembly.
摘要翻译： 制造碳酸盐多晶金刚石体的方法包括将第一量的金刚石与第一量的碳酸镁组合以形成用于形成工作表面的第一层，以及将第二量的碳酸镁组合形成邻近 第一层，形成组件。 该方法包括将一定量的硅或铝放置在组件的至少一部分中或其附近，并在高压和高温下烧结包括硅或铝的组件，导致硅或铝渗入至少一层 部件。
-
公开(公告)号：US20160319602A1
公开(公告)日：2016-11-03
申请号：US15105982
申请日：2014-12-17
发明人： Zhehua Zhang
摘要： A method of manufacturing a drill bit may include inserting an attachment end of a journal portion into a cavity of a blade portion. The journal portion includes the attachment end; a journal end opposite from the attachment end; and a journal on the journal end extending downward and radially outward from a longitudinal axis of the journal portion. The blade portion includes the cavity extending a distance into the blade portion; and at least one blade extending along the blade portion from adjacent to the cavity to a gauge region of the drill bit. Then, the method includes attaching the journal portion to the blade portion and mounting a roller cone to the journal.
摘要翻译： 钻头的制造方法可以包括将轴颈部分的附接端插入刀片部分的腔中。 轴颈部分包括附接端; 与附件端相反的日志端; 并且轴颈端部从轴颈部分的纵向轴线向下并径向向外延伸。 叶片部分包括延伸到叶片部分中的距离的空腔; 以及至少一个叶片，其沿刀片部分从邻近的腔延伸到钻头的测量区域。 然后，该方法包括将轴颈部分附接到刀片部分并将辊锥安装到轴颈上。
-
-
-
-
-
-
-
-
-
搜索结果
577 条记录 (耗时 0.032 秒)