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    PRESSURE ISOLATION SYSTEM FOR FLEXIBLE PIPE JOINTS
    1.
    发明公开
    PRESSURE ISOLATION SYSTEM FOR FLEXIBLE PIPE JOINTS 有权
    高压隔离SYSTEM FOR软管接头

    公开(公告)号：EP2142836A1

    公开(公告)日：2010-01-13

    申请号：EP09715455.3

    申请日：2009-02-24

    申请人： Oil States Industries, Inc.

    发明人： GUTIERREZ-LEMINI, Danton ,  POTTORFF, Todd, M. ,  PEPPEL, George, W. ,  PATRICK, James, G. ,  SPICER, Carl, C. ,  PEREIRA, Jesner, H. ,  CRUSE, Gregory, P.

    IPC分类号： F16L27/103 ,  E21B17/08

    CPC分类号： F16L27/103 ,  E21B17/085

    摘要： A flexible pipe joint (27) has two annular elastomeric flex elements (74, 75) stacked in a co-axial fashion at an inner radius (R1) from a common center of rotation (63), and at least one elastomeric flex element (61, 62) disposed at an outer radius (R2) from the common center of rotation (63). The flex elements (74, 75) at the inner radius are coupled mechanically in series between the extension pipe (54) and the housing (50) of the flexible pipe joint, and the flex element (61, 62) at the outer radius is coupled mechanically in parallel with the series combination of the inner flex.elements (74, 75). The inner flex elements (74, 75) isolate the flex element (61, 62) at the outer radius from transport fluid, and the flex element (61, 62) at the outer radius reduces the axial compression of the inner flex elements (74, 75). Thus, the inner flex elements (74, 75) may have a reduced radius and a different composition to handle a higher loading of heat and pressure.

    PRESSURE ISOLATION SYSTEM FOR FLEXIBLE PIPE JOINTS
    2.
    发明授权
    PRESSURE ISOLATION SYSTEM FOR FLEXIBLE PIPE JOINTS 有权
    高压隔离SYSTEM FOR软管接头

    公开(公告)号：EP2142836B1

    公开(公告)日：2012-08-01

    申请号：EP09715455.3

    申请日：2009-02-24

    申请人： Oil States Industries, Inc.

    发明人： GUTIERREZ-LEMINI, Danton ,  POTTORFF, Todd, M. ,  PEPPEL, George, W. ,  PATRICK, James, G. ,  SPICER, Carl, C. ,  PEREIRA, Jesner, H. ,  CRUSE, Gregory, P.

    IPC分类号： F16L27/103 ,  E21B17/08

    CPC分类号： F16L27/103 ,  E21B17/085

    摘要： A flexible pipe joint (27) has two annular elastomeric flex elements (74, 75) stacked in a co-axial fashion at an inner radius (R1) from a common center of rotation (63), and at least one elastomeric flex element (61, 62) disposed at an outer radius (R2) from the common center of rotation (63). The flex elements (74, 75) at the inner radius are coupled mechanically in series between the extension pipe (54) and the housing (50) of the flexible pipe joint, and the flex element (61, 62) at the outer radius is coupled mechanically in parallel with the series combination of the inner flex.elements (74, 75). The inner flex elements (74, 75) isolate the flex element (61, 62) at the outer radius from transport fluid, and the flex element (61, 62) at the outer radius reduces the axial compression of the inner flex elements (74, 75). Thus, the inner flex elements (74, 75) may have a reduced radius and a different composition to handle a higher loading of heat and pressure.

    TWO-ELEMENT TANDEM FLEXIBLE JOINT
    3.
    发明公开
    TWO-ELEMENT TANDEM FLEXIBLE JOINT 有权
    两种元素的串联系统的柔性连接

    公开(公告)号：EP2250419A1

    公开(公告)日：2010-11-17

    申请号：EP09715440.5

    申请日：2009-02-24

    申请人： Oil States Industries, Inc.

    发明人： GUTIERREZ-LEMINI, Danton ,  POTTORFF, Todd, M. ,  PEPPEL, George, W. ,  PATRICK, James, G. ,  SPICER, Carl, C. ,  PEREIRA, Jesner, H. ,  CRUSE, Gregory, P.

    IPC分类号： F16L27/103 ,  E21B17/08

    CPC分类号： F16L27/103 ,  E21B17/085

    摘要： A flexible joint (27) has an extension (54) mounted to a housing (51,52) for relative angular displacement. Two or more annular elastomeric flex elements (61,62) are stacked in a co-axial fashion and joined mechanically to mount the extension (54) to the housing (51,52) so that the flex elements react in parallel to angular and axial displacements of the extension with respect to the housing so that tensile load upon the extension (54) places each of the flex elements (61,62) in compression to split and share the tensile load among the flex elements in proportion to their relative axial stiffnesses. Therefore, for a given housing size or footprint, the overall load capacity is increased, and the lifetime of the flexible joint is increased for a given load capacity. The flex elements may have a common center of rotation, and the flex elements may be disposed either on the same side of the center of rotation or on opposite sides.

    DOUBLE-ENDED FLEXIBLE PIPE JOINT HAVING STACKED CO-AXIAL PRIMARY AND SECONDARY ANNULAR ELASTOMERIC FLEX ELEMENTS
    6.
    发明公开
    DOUBLE-ENDED FLEXIBLE PIPE JOINT HAVING STACKED CO-AXIAL PRIMARY AND SECONDARY ANNULAR ELASTOMERIC FLEX ELEMENTS 有权
    二DIGES软管接头交错，同轴和环形中小学弹挠性ELEMENTS

    公开(公告)号：EP2318746A1

    公开(公告)日：2011-05-11

    申请号：EP10732827.0

    申请日：2010-07-12

    申请人： Oil States Industries, Inc.

    发明人： GUTIERREZ-LEMINI, Danton ,  PEPPEL, George, W. ,  PEREIRA, Jesner H. ,  PATRICK, James G. ,  SPICER, Carl C. ,  CRUSE, Gregory P. ,  POTTORFF, Todd M.

    IPC分类号： F16L27/103 ,  E21B17/08

    CPC分类号： F16L27/103 ,  E21B17/085

    摘要： A double-ended flexible pipe joint (26) has first and second extension pipes (51, 52) extending from opposite ends of an outer housing (50), and first and second primary annular elastomeric flex elements (71, 74) mounting the first and second extension pipes (51, 52) to the outer housing (50). An inner housing (80) is disposed in the outer housing (50), and first and second secondary annular elastomeric flex elements (81, 82) disposed in the inner housing (80) mount the first and second extension pipes (51, 52) to the inner housing (80). Tension upon the first and second extension pipes (51, 52) places each of the first and second primary flex elements (71, 74) and each of the first and second secondary flex elements (81, 82) in compression. The first and second secondary flex elements (81, 82) contain fluid pressure within the first and second extension pipes (51, 52) so that the first and second primary flex elements (71, 74) are not subjected to the fluid pressure within the extension pipes (51, 52).