Auto adaptable cutting structure
    3.
    发明授权
    Auto adaptable cutting structure 有权
    自动适应切割结构

    公开(公告)号:US08191656B2

    公开(公告)日:2012-06-05

    申请号:US12794640

    申请日:2010-06-04

    IPC分类号: E21B10/36

    CPC分类号: E21B10/573 E21B2010/566

    摘要: A cutter is configured with a diamond table made from a thin hard facing material layer of polycrystalline diamond bonded to a backing layer made from cemented tungsten carbide. The face of the diamond table includes a concavity formed with a curved shape wherein at least a portion of the face in a center of the cutter is recessed with respect to at least some portion of the face about the perimeter of the cutter. This concave curved shape is formed in the diamond table itself such that the diamond table has a varying thickness depending on the implemented concavity.

    摘要翻译: 切割器配置有金刚石台,该金刚石台由结合到由硬质合金碳化钨制成的背衬层的多晶金刚石的薄硬质材料层制成。 钻石台的表面包括形成有弯曲形状的凹部,其中切割器的中心中的面部的至少一部分相对于切割器的周边的至少部分表面凹陷。 该凹形弯曲形状形成在钻石台本身中,使得金刚石台具有取决于所实现的凹度的变化的厚度。

    SECTORIAL FORCE BALANCING OF DRILL BITS
    4.
    发明申请
    SECTORIAL FORCE BALANCING OF DRILL BITS 有权
    钻井平台部署力平衡

    公开(公告)号:US20090223721A1

    公开(公告)日:2009-09-10

    申请号:US12399478

    申请日:2009-03-06

    申请人: Alfazazi Dourfaye

    发明人: Alfazazi Dourfaye

    CPC分类号: E21B10/42

    摘要: A sectorial force balanced drill bit, including conventional and bi-center drill bits, having the true center of rotation the same as, or about the same as, the bit mass axis. The bit mass axis is a longitudinal axis located off-center to the geometric axis of the bit and comprises the center of mass point. This balancing allows a greater longevity for the cutters. Additionally, a method for sectorially force balancing drill bits is provided. The method includes dividing the drill bit into one or more sections, calculating the magnitude and direction of the resultant radial imbalance force for the cutters of each section, adjusting the cutters and/or blades until the magnitude of the resultant radial imbalance force is about the same for each section and the direction of the resultant radial imbalance force for each section is about 2π/n, where n is the number of sections, from the adjacent section.

    摘要翻译: 一种部分力平衡钻头,包括常规钻头和双中心钻头,其具有与钻头质量轴相同或大致相同的真实旋转中心。 钻头质量轴是位于钻头几何轴线偏心的纵向轴线,包括质心点。 这种平衡使刀具寿命更长。 另外,提供了用于扇形力平衡钻头的方法。 该方法包括将钻头分成一个或多个部分,计算每个部分的切割器产生的径向不平衡力的大小和方向,调整切割器和/或叶片,直到产生的径向不平衡力的大小约为 对于每个部分是相同的,并且对于每个部分产生的径向不平衡力的方向为约2pi / n,其中n是相邻部分的部分数目。

    Process for the production of an element comprising at least one block of dense material constituted by hard particles dispersed in a binder phase: application to cutting or drilling tools
    6.
    发明授权
    Process for the production of an element comprising at least one block of dense material constituted by hard particles dispersed in a binder phase: application to cutting or drilling tools 有权
    用于生产元件的方法,该元件包括由分散在粘合剂相中的硬颗粒构成的至少一个致密材料块:应用于切割或钻孔工具

    公开(公告)号:US08647562B2

    公开(公告)日:2014-02-11

    申请号:US12056595

    申请日:2008-03-27

    IPC分类号: C22C1/05

    摘要: A process is presented which produces at least one block of dense material constituted by hard particles dispersed in a binder phase, it being possible for the dense material to be enriched locally with binder phase by imbibition. The process includes bringing at least one imbibition area of a surface of the block, preferably coated with a coating material, into contact with an imbibiting material which locally enriches the block with binder phase. The block in contact with the imbibiting material is then subjected to a suitable thermal cycle constituted by heating, temperature maintenance and cooling. This serves to bring some or all of the imbibiting material and the binder phase of the block into the liquid state in such a manner that the enrichment with binder phase takes place solely through the imbibition area. The block is used in connection with the building of a drill bit or tool.

    摘要翻译: 提出了一种制备由分散在粘合剂相中的硬颗粒构成的致密材料的至少一个块的方法,致密材料可以通过吸收局部富含粘结相而富集。 该方法包括使块的表面的至少一个吸入区域,优选地涂覆有涂层材料,以与使粘合剂相局部富集块体的吸收材料接触。 然后将与吸收材料接触的块经受由加热,温度维持和冷却构成的合适的热循环。 这用于将块体的一些或全部吸入材料和粘合剂相以液体状态,使得仅通过吸收区域进行粘合相的富集。 该块用于构建钻头或工具。

    VARIABLE FREQUENCY IMPACT TEST
    7.
    发明申请
    VARIABLE FREQUENCY IMPACT TEST 审中-公开
    可变频率影响测试

    公开(公告)号:US20130239652A1

    公开(公告)日:2013-09-19

    申请号:US13886525

    申请日:2013-05-03

    IPC分类号: G01N3/30 G01N19/00

    摘要: A target cylinder, a method for testing a superhard component thereon, and a method for selecting an untested component for use in field applications. The target cylinder includes a first end, a second end, and a side wall extending from the first end to the second end. At least one of the second end and the sidewall is an exposed portion that makes contact with the superhard component to determine at least one property of the superhard component. The target cylinder is formed from a first material evenly distributed throughout a second material. Upon testing superhard components at one or more impact frequencies, untested superhard components are selected based upon field anticipated impact frequencies.

    摘要翻译: 目标圆柱体,用于在其上测试超硬体部件的方法,以及用于选择用于现场应用的未测试部件的方法。 目标圆筒包括第一端,第二端和从第一端延伸到第二端的侧壁。 第二端和侧壁中的至少一个是与超硬部件接触以确定超硬部件的至少一个特性的暴露部分。 目标气缸由均匀分布在第二材料中的第一材料形成。 在以一个或多个冲击频率测试超硬组件时,根据现场预期的冲击频率选择未测试的超硬件组件。

    Downhole Acoustic Emission Formation Sampling
    8.
    发明申请
    Downhole Acoustic Emission Formation Sampling 有权
    井下声发射形成取样

    公开(公告)号:US20110286304A1

    公开(公告)日:2011-11-24

    申请号:US13194205

    申请日:2011-07-29

    IPC分类号: G01V1/40 E21B47/14

    摘要: A method, system and apparatus for testing properties of a rock formation surrounding a wellbore in situ. The apparatus includes a tool body, one or more indenters, and one or more acoustic sensors. The body includes an outer surface that defines one or more cavities therein. Each cavity extends into the body. Each indenter is positioned within a corresponding cavity and is positionable into an operating position and a non-operating position. The acoustic sensor is positioned within the cavity and adjacent to the indenter. The indenter is positioned at least partially beyond the outer surface when in the operating position. The acoustic sensor senses one or more acoustic events occurring when the indenter is in the operating position. The apparatus is inserted into the wellbore. Once inserted, the indenter applies a load onto the rock formation causing cracking and the sensor receives the generated acoustic transmissions. The transmissions are analyzed.

    摘要翻译: 一种用于测试原位于井筒周围的岩层性质的方法,系统和装置。 该装置包括工具主体,一个或多个压头以及一个或多个声学传感器。 主体包括在其中限定一个或多个空腔的外表面。 每个腔都延伸到体内。 每个压头都位于相应的腔内,并可定位在操作位置和非操作位置。 声学传感器位于腔体内并且邻近压头。 当处于操作位置时,压头至少部分地位于外表面之外。 声学传感器感测当压头处于操作位置时发生的一个或多个声学事件。 将设备插入井眼。 一旦插入,压头将压力施加到岩层上,引起裂纹,并且传感器接收所产生的声传播。 分析传输。

    IMPREGNATED ROTARY BIT
    9.
    发明申请

    公开(公告)号:US20110278075A1

    公开(公告)日:2011-11-17

    申请号:US13190822

    申请日:2011-07-26

    IPC分类号: E21B10/42 E21B10/54 E21B10/43

    CPC分类号: E21B10/54

    摘要: A drill bit includes a plurality of continuous segments impregnated with diamond that are each mounted to form a corresponding blade. The regions between the blades define a plurality of fluid passages on the bit face. The blades extend radially outwardly to the gage. The continuous segments may be either straight or spiral in design. Furthermore, the design of the segments supports varying one or more of: diamond content, width, back rake angle and/or relief angle along a length of the segment.

    AUTO ADAPTABLE CUTTING STRUCTURE
    10.
    发明申请
    AUTO ADAPTABLE CUTTING STRUCTURE 审中-公开
    自动适应切割结构

    公开(公告)号:US20080264696A1

    公开(公告)日:2008-10-30

    申请号:US12171070

    申请日:2008-07-10

    IPC分类号: E21B10/00

    CPC分类号: E21B10/573 E21B2010/566

    摘要: A cutter is configured with a diamond table made from a thin hard facing material layer of polycrystalline diamond bonded to a backing layer made from cemented tungsten carbide. The face of the diamond table includes a concavity formed with a curved shape wherein at least a portion of the face in a center of the cutter is recessed with respect to at least some portion of the face about the perimeter of the cutter. This concave curved shape is formed in the diamond table itself such that the diamond table has a varying thickness depending on the implemented concavity. Alternatively, the concave curved shape is formed in the backing layer and a substantially constant thickness diamond table layer is attached thereto.

    摘要翻译: 切割器配置有金刚石台,该金刚石台由结合到由硬质合金碳化钨制成的背衬层的多晶金刚石的薄硬质材料层制成。 钻石台的表面包括形成有弯曲形状的凹部,其中切割器的中心中的面部的至少一部分相对于切割器的周边的至少部分表面凹陷。 该凹形弯曲形状形成在钻石台本身中,使得金刚石台具有取决于所实现的凹度的变化的厚度。 或者,凹形弯曲形状形成在背衬层中,并且基本上恒定的厚度的金刚石台面层附接到其上。