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    • 4. 发明申请
    • PROCESS FOR THE PRODUCTION OF A THERMALLY STABLE POLYCRYSTALLINE DIAMOND COMPACT
    • 用于生产耐热稳定的多晶金刚石紧凑件的方法
    • US20090032169A1
    • 2009-02-05
    • US12252145
    • 2008-10-15
    • Alfazazi DourfayeWilliam W. King
    • Alfazazi DourfayeWilliam W. King
    • B32B37/04
    • C22C1/1068B22F2005/001B22F2999/00C22C26/00C22C29/08B22F2207/03B22F2203/11
    • In a process, a thermally stable diamond table body and a substrate are stacked on each other at an interface which includes a layer of a imbibiting material interposed between a bottom surface of the body and an upper surface of the substrate. The stack is subjected to a suitable thermal cycle, constituted by heating, temperature maintenance and cooling, which brings at least some of the imbibiting material into the liquid state for migration into the thermally stable diamond table body and substrate at and about the interface so as to join the thermally stable diamond table body to the substrate. The substrate may be produced as a block of dense material constituted by hard particles dispersed in a binder phase, wherein the dense material has been enriched locally with binder phase by imbibition. Alternatively, imbibition material from the enriched substrate may be caused by the thermal cycle to migrate from the substrate into the diamond table body so as to join the thermally stable diamond table body to the substrate.
    • 在一个过程中,热稳定的金刚石台体和基底彼此叠置在一个界面上,该界面包括插入在本体的底表面和基底的上表面之间的吸收材料层。 堆叠经受适当的热循环,由加热,温度维持和冷却构成,其使至少一些吸入材料进入液体状态,以在界面处和周围迁移到热稳定的金刚石台体和基板中,以便 将热稳定的金刚石台体连接到基板上。 衬底可以作为由分散在粘结相中的硬质颗粒构成的致密材料块制成,其中致密材料通过吸收在局部富集结合相。 或者,来自富集衬底的吸收材料可以由热循环从衬底迁移到金刚石台体中引起,以将热稳定的金刚石台体连接到衬底。
    • 5. 发明申请
    • Downhole Acoustic Emission Formation Sampling
    • 井下声发射形成取样
    • US20110286304A1
    • 2011-11-24
    • US13194205
    • 2011-07-29
    • Gary M. ThigpenFederico BellinAlfazazi DourfayeWilliam W. King
    • Gary M. ThigpenFederico BellinAlfazazi DourfayeWilliam W. King
    • G01V1/40E21B47/14
    • G01N3/44E21B47/101E21B49/00G01N29/14G01N29/223G01N2203/0623G01N2203/0658G01N2291/0232G01N2291/02827
    • 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.
    • 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。