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    • 8. 发明申请
    • DISTRIBUTED DOWNHOLE DRILLING NETWORK
    • 分布式井下钻孔网络
    • WO2005052303A2
    • 2005-06-09
    • PCT/US2004/025239
    • 2004-08-04
    • HALL, DavidHALL, H., Tracy, Jr.PIXTON, David, S.FOX, Joe
    • HALL, DavidHALL, H., Tracy, Jr.PIXTON, David, S.FOX, Joe
    • E21B
    • E21B47/12G01V1/26G01V11/002
    • A high-speed downhole network providing real-time data from downhole components of a drilling strings includes a bottom-hole node interfacing to a bottom-hole assembly located proximate the bottom end of a drill string. A top-hole node is connected proximate the top end of the drill string. One or several intermediate nodes are located along the drill string between the bottom-hole node and the top-hole node. The intermediate nodes are configured to receive and transmit data packets transmitted between the bottom-hole node and the top-hole node. A communications link, integrated into the drill string, is used to operas y connect the bottom-hole node, the intermediate nodes, and the top-hole node. In selected embodiments, a personal or other computer may be connected to the top-hole node, to analyze data received from the intermediate and bottom-hole nodes.
    • 提供来自钻井井下部件的实时数据的高速井下网络包括与位于钻柱底端附近的底孔组件对接的底孔节点。 顶孔节点靠近钻柱的顶端连接。 一个或多个中间节点位于井下节点和顶孔节点之间的钻柱上。 中间节点被配置为接收和发送在底孔节点和顶孔节点之间传输的数据分组。 集成到钻柱中的通信链路用于连接底孔节点,中间节点和顶孔节点。 在所选择的实施例中,个人或其他计算机可以连接到顶层节点,以分析从中间节点和底层节点接收的数据。
    • 10. 发明申请
    • NOISE-CANCELLING WALL
    • 噪音消除墙
    • WO2018031530A1
    • 2018-02-15
    • PCT/US2017/045868
    • 2017-08-08
    • HALL, David, R.FOX, JoeKNIGHT, JedediahCHEATHAM, Kevin
    • HALL, David, R.FOX, JoeKNIGHT, JedediahCHEATHAM, Kevin
    • E04B1/84E04B1/99G10K11/175
    • G10K11/175E04B1/86E04B2001/8461
    • A noise-cancelling wall is described that includes a height, a width, a depth, and first and second portions. The first portion has a first characteristic acoustic wavelength and a first thickness along the depth, and the second portion has a second characteristic acoustic wavelength and a second thickness along the depth. A relationship between the first and second portions is such that twice a difference between a ratio of the first characteristic acoustic wavelength to the first thickness, and a ratio of the second characteristic acoustic wavelength to the second thickness ranges from 0.25 above an odd integer to 0.25 below the odd integer. The first portion causes an acoustic phase shift of sound waves passing through the first portion relative to sound waves passing through the second portion, and the phase shift results in destructive acoustic interference between sound waves traveling through the wall.
    • 描述了包括高度,宽度,深度以及第一和第二部分的噪声消除壁。 第一部分具有沿深度的第一特性声波长和第一厚度,并且第二部分具有沿深度的第二特性声波长和第二厚度。 第一部分和第二部分之间的关​​系使得第一特性声波长与第一厚度的比率和第二特性声波长与第二厚度的比率之间的差值的两倍范围从奇数以上的0.25到0.25 低于奇数。 第一部分引起通过第一部分的声波相对于通过第二部分的声波的声学相移,并且相移导致穿过墙壁的声波之间的破坏性声学干涉。