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    • 3. 发明申请
    • Data Communications Network
    • 数据通信网络
    • US20090262732A1
    • 2009-10-22
    • US12103996
    • 2008-04-16
    • Barry Wood
    • Barry Wood
    • H04L12/56
    • H04L12/4625H04W74/02
    • In a system comprising a first subsystem having a first plurality of nodes connected through an interconnect providing unreliably delivery (URD) of packets and a second subsystem having a second plurality of nodes connected through a packet-based interconnect offering reliable delivery of packets, a method of communicating comprising the step of transporting in both the first and second subsystem, a common packet format. The URD and packet interconnects conform with a standard. The standard is Serial RapidIO. The first subsystem places a Serial RapidIO idle sequence after each packet. The first subsystem places the Serial RapidIO idle sequence after a Multicast Event Control Symbol (MECS).
    • 在包括第一子系统的系统中,第一子系统具有通过提供分组的不可靠传递(URD)的互连连接的第一多个节点,以及具有通过提供分组的可靠传递的基于分组的互连连接的第二多个节点的第二子系统, 包括在第一和第二子系统中传送公共分组格式的步骤。 URD和分组互连符合标准。 该标准是Serial RapidIO。 第一个子系统在每个数据包之后放置一个Serial RapidIO空闲序列。 第一个子系统将串行RapidIO空闲序列放置在多播事件控制符号(MECS)之后。
    • 4. 发明授权
    • Fluid loss reducer for high temperature high pressure water based-mud application
    • 用于高温高压水基泥浆的减流剂
    • US07449430B2
    • 2008-11-11
    • US11473614
    • 2006-06-23
    • Bertrand GuichardBarry WoodPatrick Vongphouthone
    • Bertrand GuichardBarry WoodPatrick Vongphouthone
    • C09K8/04
    • C09K8/24C09K8/28C09K8/502C09K2208/18Y10S507/904
    • The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further reveals a process for preparing an oil soluble polymer fluid loss control agent comprising the steps of dissolving at least one polymer in a hydrocarbon oil to form a clear solution or a gel, adding an emulsifier to the solution or the gel, and keeping the mixture under conditions of agitation until a clear creamy mixture is obtained; wherein said oil soluble polymer fluid loss control agent contains up to 50 percent water based on the weight of the control agent; wherein the emulsifier is present at a level which is within the range of 3 percent to 30 percent based upon the weight of the control agent; and wherein the polymer is prepared from monomers selected from the group consisting of styrene, substituted styrene, alkyl acrylate, substituted alkyl acrylate, alkyl methacrylate, substituted alkyl methacrylate, acrylonitrile, methacrylonitrile, acrylamide, methacrylamide, N-alkylacrylamide, N-alkylmethacrylamide, isoprene, butadiene, ethylene, vinyl acetate, and vinyl esters of versatic acids containing from 9 to 19 carbon atoms.
    • 本发明涉及用于钻井油井的水基钻井泥浆,其包括水相,其中水相含有以凝胶形式的油溶性聚合物作为流体损失减少剂。 本发明还揭示了一种制备油溶性聚合物流体损失控制剂的方法,包括以下步骤:将至少一种聚合物溶解在烃油中以形成透明溶液或凝胶,向溶液或凝胶中加入乳化剂,以及 保持混合物在搅拌条件下直至得到澄清的奶油状混合物; 其中所述油溶性聚合物流体损失控制剂基于所述控制剂的重量含有高达50%的水; 其中所述乳化剂以基于所述控制剂的重量的3%至30%的范围内存在; 丙烯酸酯,甲基丙烯酸烷基酯,甲基丙烯酸烷基酯,丙烯腈,甲基丙烯腈,丙烯酰胺,甲基丙烯酰胺,N-烷基丙烯酰胺,N-烷基甲基丙烯酰胺,异戊二烯 ,丁二烯,乙烯,乙酸乙烯酯和含有9至19个碳原子的多种酸的乙烯基酯。
    • 6. 发明申请
    • METHOD AND SYSTEM FOR HANDLING MULTICAST EVENT CONTROL SYMBOLS
    • 处理多媒体事件控制符号的方法和系统
    • US20070121680A1
    • 2007-05-31
    • US11554332
    • 2006-10-30
    • Barry WoodStephane Gagnon
    • Barry WoodStephane Gagnon
    • H04J3/06
    • G06F13/4295H04J3/0638
    • A packet switching system comprises a first switch and a second switch. The first switch includes a first receive port, a first plurality of transmit ports, a first switch fabric, a first reference clock signal input and a first multicast control symbol input/output port coupled to the first plurality of transmit ports for inputting a multicast control signal to be transmitted. The second switch includes a second receive port, a second plurality of transmit ports a second switch fabric, a second reference clock signal input and a second multicast control symbol input/output port coupled to the second receive port for outputting a received multicast control symbol. In operation, a multicast control symbol is generated in hardware synchronized with a reference clock signal and the multicast control symbol directly to the first plurality of transmit ports.
    • 分组交换系统包括第一交换机和第二交换机。 第一交换机包括第一接收端口,第一多个发送端口,第一交换结构,第一参考时钟信号输入和耦合到第一多个发送端口的第一多播控制符号输入/输出端口,用于输入多播控制 要发送的信号。 第二开关包括第二接收端口,第二多个发送端口,第二交换结构,第二参考时钟信号输入和耦合到第二接收端口的第二多播控制符号输入/输出端口,用于输出接收的多播控制符号。 在操作中,与参考时钟信号同步的硬件和多播控制符号直接生成到多个发送端口的多播控制符号。