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    Closed Chamber Impulse Test with Downhole Flow Rate Measurement
    1.
    发明申请
    Closed Chamber Impulse Test with Downhole Flow Rate Measurement 审中-公开
    封闭室冲击试验与井下流量测量

    公开(公告)号：US20160102548A1

    公开(公告)日：2016-04-14

    申请号：US14889267

    申请日：2014-05-06

    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

    Inventor： Fikri John Kuchuk ,  Stephane Hiron ,  Bertrand Theuveny ,  Anthony J. Fitzpatrick ,  James G. Filas ,  Alexander Starostin ,  Pavel Evgenievich Spesivtsev

    IPC: E21B49/08 ,  G01F1/34

    CPC classification number: E21B49/081 ,  E21B49/008 ,  E21B49/087 ,  G01F1/34

    Abstract: An apparatus for performing a well test operation includes a tubular member having a surge chamber and a valve that can control fluid flow from a well into the surge chamber during the well test operation. The apparatus can also include a flow control device, in addition to the valve, for further controlling fluid flow into the surge chamber from the well. Flow rate and pressure data can be measured during the well test operation and used to estimate reservoir properties. Various other systems, devices, and methods are also disclosed.

    Abstract translation: 用于执行井测试操作的装置包括具有调节室的管状构件和阀，其可以在井测试操作期间控制流体从井中流入缓冲室。 该装置还可以包括除阀之外的流量控制装置，用于进一步控制流体从井中进入缓冲室的流体。 流量和压力数据可以在井测试操作期间进行测量，并用于估算储层性质。 还公开了各种其它系统，装置和方法。

    Method for Improving Accuracy of Multiphase Mixture Flowrate Measurement in A Pipeline
    2.
    发明申请
    Method for Improving Accuracy of Multiphase Mixture Flowrate Measurement in A Pipeline 审中-公开
    提高管道中多相混合流量测量精度的方法

    公开(公告)号：US20150107328A1

    公开(公告)日：2015-04-23

    申请号：US14513169

    申请日：2014-10-13

    Applicant: Schlumberger Technology Corporation

    Inventor： Alexander Starostin ,  Andrei Alexandrovich Osiptsov

    IPC: G01F25/00

    CPC classification number: G01F1/74 ,  G01F15/024 ,  G01F15/12

    Abstract: To improve the accuracy of multiphase mixture flow rate measurements, properties of a multiphase mixture are determined under conditions expected inside a pipeline and flow regimes are determined for the expected flow rates. Slug reducing parameters of the pipeline are provided at a pipeline section and a flowmeter is installed at the end of that pipeline section.

    Abstract translation: 为了提高多相混合物流速测量的准确性，多相混合物的性质在管道内预期的条件下确定，并且为预期流速确定流动方案。 在管道部分提供管道减少参数，流量计安装在该管道段的末端。

    METHODS AND SYSTEMS FOR INVESTIGATION AND PREDICTION OF SLUG FLOW IN A PIPELINE
    5.
    发明申请
    METHODS AND SYSTEMS FOR INVESTIGATION AND PREDICTION OF SLUG FLOW IN A PIPELINE 审中-公开

    公开(公告)号：US20170364616A1

    公开(公告)日：2017-12-21

    申请号：US15624995

    申请日：2017-06-16

    Applicant: SCHLUMBERGER TECHNOLOGY CORPORATION

    Inventor： Alexander Lukyanov ,  Boris Krasnopolsky ,  Alexander Starostin ,  Natalia Lebedeva

    IPC: G06F17/50 ,  G06F17/13

    CPC classification number: G06F17/5009 ,  G06F17/13 ,  G06F17/5018

    Abstract: Methods and apparatus for investigating and predicting slug flow in complex pipes are disclosed. More particularly, the techniques provide a model of multiphase flow in a complex pipeline and its solution acquired using the Jacobian-Free Newton-Krylov (JFNK) method by way of non-limiting example. The fully implicit formulation framework described in this work enables to efficiently solve governing fluid flow equations. The framework can reduce the multiphase flow model in zones or cells of the pipe that exhibit phase disappearance based on the phase state distributions over the cells. The model of multiphase flow can include a model for single-phase cells that is different from a model for multiphase cells, and the proper model can be selected (or switched) as the phase characteristics of the multiphase flow of the cells change over time. A transient two-fluid model can be used to verify and validate the proposed algorithm for conditions of terrain-induced slug flow regime. The model can identify all the major features of experimental data, and is in a good quantitative agreement.

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