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    • 7. 发明授权
    • Isokinetic sampling
    • 等动力取样
    • US07717000B2
    • 2010-05-18
    • US10573619
    • 2004-09-09
    • Cheng-gang XieIan AtkinsonPaul HammondGary OddiePaul Bolchover
    • Cheng-gang XieIan AtkinsonPaul HammondGary OddiePaul Bolchover
    • G01N1/20
    • B01F5/0682B01F5/0688G01F1/34G01F1/42G01F1/44G01F1/74G01F5/00G01F25/003G01N1/2035G01N1/38G01N2001/225
    • A method of sampling a multi-phase fluid stream is provided which comprises the steps of: sampling, with a sampling probe, a portion of the fluid stream; measuring the flow rate of said sampled portion; and measuring, independently of the sampling step, the total flow rate of the fluid stream, wherein the flow rate of the sampled portion is controlled according to the ratio of the flow rate of the sampled portion to the flow rate of the fluid stream, in order to obtain substantially isokinetic sampling of the fluid stream. The method may provide isokinetic sampling to an accuracy of 5% or less and preferably only samples a small portion of the fluid stream. The method has particular application for high rate condensate gas wells. A corresponding sampling system is provided which has particular application in the sampling of streams from well-heads. A flow conditioner for use with sampling methods and systems is also provided, the flow conditioner being a pipe section including: a swirl inducing section; a flow straightener; and an orifice plate.
    • 提供了一种采样多相流体流的方法,其包括以下步骤:用采样探针对流体流的一部分进行采样; 测量所述采样部分的流量; 并且独立于采样步骤测量流体流的总流量,其中根据采样部分的流量与流体流的流量的比率来控制采样部分的流量,其中 以获得流体流的基本上等速抽样。 该方法可以提供5%或更小的精度的等动力取样,并且优选仅对流体流的一小部分进行采样。 该方法特别适用于高速凝析气井。 提供了相应的采样系统,其特征在于从井头采样流中。 还提供了一种与采样方法和系统一起使用的流量调节器,流量调节器是一个管段,包括:一个涡流诱导部分; 流动矫直机; 和孔板。
    • 9. 发明授权
    • Sampling system for moving fluid
    • 移动流体采样系统
    • US07111521B1
    • 2006-09-26
    • US11134603
    • 2005-05-19
    • George A. Andrews, Jr.
    • George A. Andrews, Jr.
    • G01N1/00
    • G01N1/2247G01N1/2273G01N2001/225
    • A system for sampling a moving fluid utilizes a housing in the shape of an airfoil having a leading edge adapted to be disposed in the moving fluid such that the moving fluid will initially encounter the leading edge. A fluid flow pathway extends through the airfoil. One or more sampling ports are formed in the airfoil on the airfoil's high pressure side. Each sampling port is in fluid communication with the fluid flow pathway. The system can also have one or more control ports formed on the low pressure side of the airfoil. Each control port is in fluid communication with the fluid flow pathway. The housing can be mounted to experience two rotational degrees of freedom, and can have an aerodynamic tail assembly coupled thereto.
    • 用于采样运动流体的系统利用具有适于设置在移动流体中的前缘的翼型形状的壳体,使得移动流体将首先遇到前缘。 流体流动通道延伸通过翼型件。 在翼型件的高压侧的翼型件中形成一个或多个取样口。 每个采样口与流体流动通道流体连通。 该系统还可以具有形成在翼型的低压侧的一个或多个控制端口。 每个控制端口与流体流动通道流体连通。 壳体可以被安装以经历两个旋转自由度,并且可以具有联接到其上的空气动力学尾部组件。