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    • 1. 发明授权
    • Composite buoyancy module
    • 复合浮力模块
    • US06488447B1
    • 2002-12-03
    • US09691315
    • 2000-10-18
    • Randall W. NishRandy A. JonesMetin Karayaka
    • Randall W. NishRandy A. JonesMetin Karayaka
    • E21B7132
    • E21B17/012B63B35/44B63B2035/442
    • A buoyancy system for a deep water floating platform includes at least one composite buoyancy module coupled to the a riser having a length greater than 1000 feet and an associated weight. The composite buoyancy module is sized to have a volume to produce a buoyancy force at least as great as the weight of the riser. The composite buoyancy module may include a vessel with a composite vessel wall. The buoyancy module or vessel may have a non-circular cross-section defining an area which is greater than approximately 79 percent of an area defined by a square with sides tangent to the vessel wall to maximize buoyancy. A second buoyancy module may be directly coupled to the first buoyancy module to achieve a desired buoyancy.
    • 用于深水浮动平台的浮力系统包括至少一个复合浮力模块,其耦合到具有大于1000英尺的长度和相关重量的提升管。 复合浮力模块的尺寸设计成具有至少与提升管的重量一样大的浮力的体积。 复合浮力模块可以包括具有复合容器壁的容器。 浮力模块或容器可以具有非圆形横截面,该横截面限定了大于面积约79%的面积,该区域由具有与血管壁相切的侧面的方形限定,以最大化浮力。 第二浮力模块可以直接耦合到第一浮力模块以实现期望的浮力。
    • 8. 发明授权
    • Drillable down hole tool
    • 钻孔工具
    • US07735549B1
    • 2010-06-15
    • US11800448
    • 2007-05-03
    • Randy W. NishRandy A. JonesRobin Lawson
    • Randy W. NishRandy A. JonesRobin Lawson
    • E21B23/00E21B33/12
    • E21B33/1293E21B33/134
    • A down hole flow control device used in a well bore includes a central mandrel and a packer ring disposed thereon. The packer ring is compressible along a longitudinal axis of the central mandrel to form a seal between the central mandrel and the well bore. Upper and lower slip rings are disposed on the central mandrel and include a plurality of slip segments joined together by fracture regions to form the slip rings. The fracture regions are configured to facilitate longitudinal fractures to break the slip rings into the plurality of slip segments that secure the down hole flow control device in the well bore. The upper and lower slip rings have different fracture regions from one another to induce sequential fracturing with respect to the upper and lower slip rings when an axial load is applied to both the upper slip ring and the lower slip ring.
    • 在井眼中使用的井下流量控制装置包括设置在其上的中心心轴和封隔器环。 封隔器环沿着中心心轴的纵向轴线可压缩以在中心心轴和井眼之间形成密封。 上滑环和下滑环设置在中心心轴上并且包括通过断裂区域连接在一起以形成滑环的多个滑动段。 断裂区域被构造成便于纵向断裂,以将滑环破裂成将井孔流量控制装置固定在井眼中的多个滑动段。 当上滑环和下滑环都施加轴向载荷时,上滑环和下滑环具有彼此不同的断裂区域,以引起相对于上滑环和下滑环的顺序断裂。
    • 9. 发明授权
    • Fiber channel flow control method and apparatus for interface to metro area transport link
    • 光纤通道流量控制方法和设备,用于城域交通接口
    • US06765871B1
    • 2004-07-20
    • US09724036
    • 2000-11-29
    • Stephen KnobelAllan Dennis DufourBarry Leo PelleyJim Chi-Luen YauGermain Paul BissonRandy A. JonesSteve Kieran Anthony Adolph
    • Stephen KnobelAllan Dennis DufourBarry Leo PelleyJim Chi-Luen YauGermain Paul BissonRandy A. JonesSteve Kieran Anthony Adolph
    • H04J322
    • H04L12/40052H04L12/6418H04L47/10H04L47/39
    • This invention relates to a method and apparatus for controlling the flow of fiber channel (FC) data frames from a fiber channel link to a metropolitan area link of lesser bandwidth (a synchronous optical network (SONET)). The release of each data unit by a data source for transport onto the first channel is governed by a credit-based protocol whereby one data unit is released upon the provision of one credit unit. A first marker identifies a high limit H of the buffer at which a first condition occurs, H being less than N and the first condition applying when the number of data units in the buffer is greater than H. A second marker identifies a low limit L of the buffer at which a second condition occurs, L being less than H and the second condition applying when the number of data units in the buffer is less than L. A credit unit owed counter O counts the number of credit units which become owed to the data source when the second condition applies. A third marker Max identifies a maximum number of credit units that may be provided to the data source when the first condition applies and the value of the credit unit counter is greater than zero. Through this invention, effective means to control the flow of data from a fiber channel link to a metro area transport link without loss of frames or delay is provided.
    • 本发明涉及用于控制从光纤信道链路到较小带宽的城域链路(同步光网络(SONET))的光纤信道(FC)数据帧流的方法和装置。 用于传输到第一信道上的数据源的每个数据单元的释放由基于信用的协议控制,一个数据单元在提供一个信用单元时被释放。 第一标记识别发生第一条件的缓冲器的高限H,H小于N,当缓冲器中的数据单元的数量大于H时应用的第一条件。第二标记识别低限L 发生第二种情况的缓冲区,L小于H,缓冲区中的数据单元数量小于L时应用的第二种情况。计数器O的信用单位计数成为欠下的信用单位数 当第二个条件适用时的数据源。 第三个标记Max标识在第一个条件适用且信用单位计数器的值大于零时可能提供给数据源的最大信用单位数。 通过本发明,提供了一种控制数据从光纤通道链路流向城域传输链路而不失去帧或延迟的有效手段。