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    • 3. 发明申请
    • WELL CONTROL SYSTEMS AND METHODS
    • 井控系统和方法
    • US20120165997A1
    • 2012-06-28
    • US13392900
    • 2010-01-05
    • Derrick W. LewisRonald J. DirksenDavid Michael RadleyJames R. LovornFredrick D. Curtis
    • Derrick W. LewisRonald J. DirksenDavid Michael RadleyJames R. LovornFredrick D. Curtis
    • G05B17/00
    • E21B21/08E21B44/005
    • A well control method can include removing from a wellbore an undesired influx from a formation into the wellbore, determining a desired pressure profile in real time with a hydraulics model, and automatically operating a flow choking device while removing the undesired influx from the wellbore, thereby influencing an actual pressure profile toward the desired pressure profile. Another well control method can include removing out of a wellbore an undesired influx from a formation into the wellbore, determining a desired wellbore pressure with a hydraulics model, the desired wellbore pressure preventing further influx into the wellbore while removing the undesired influx from the wellbore, and automatically operating a flow choking device while removing the undesired influx from the wellbore, thereby influencing an actual wellbore pressure toward the desired wellbore pressure.
    • 井控制方法可以包括从井筒中去除从地层到井筒的不期望的流入,用液压模型实时确定期望的压力分布,并且自动地操作流动阻塞装置,同时从井筒除去不需要的流入,由此 影响到所需压力分布的实际压力分布。 另一井井控制方法可以包括从井筒中去除从地层到井筒的不期望的流入,用液压模型确定所需的井眼压力,所需的井眼压力防止进一步流入井眼,同时从井眼除去不想要的流入物, 并且自动地操作流动阻塞装置,同时从井筒除去不期望的流入,从而影响实际井筒压力朝向所需井筒压力。
    • 6. 发明授权
    • Underbalanced well completion
    • 欠平衡完井
    • US06962215B2
    • 2005-11-08
    • US10426917
    • 2003-04-30
    • Fredrick D. CurtisDerrick W. LewisDale E. RayMichael J. Harvey
    • Fredrick D. CurtisDerrick W. LewisDale E. RayMichael J. Harvey
    • E21B21/00E21B21/10E21B34/14E21B10/64
    • E21B34/14E21B21/10E21B2021/006
    • Equipment and methods which may be used in conjunction with an underbalanced well completion. In a described embodiment, a valve for use in a subterranean well in conjunction with a tool conveyed through the valve in a container is provided. The valve includes a passage formed longitudinally through the valve, a closure assembly which selectively permits and prevents flow through the passage, and an engagement device which engages the container as the tool is conveyed through the passage. The closure assembly permits flow through the passage when the container is conveyed into the passage, and the closure assembly prevents flow through the passage when the container is removed from the passage. Engagement between the container and the engagement device separates the tool from the container.
    • 可能与平衡井完井结合使用的设备和方法。 在所描述的实施例中,提供了一种用于地下井中的与通过容器中的阀输送的工具结合的阀。 该阀包括纵向形成通过该阀的通道,一个封闭组件,其选择性地允许和防止流过该通道;以及接合装置,当工具被输送通过该通道时与该容器接合。 当容器被输送到通道中时,闭合组件允许流过通道,并且当容器从通道移除时,闭合组件防止流过通道。 容器和接合装置之间的接合将工具与容器分开。
    • 7. 发明授权
    • Well control systems and methods
    • 井控系统和方法
    • US09279298B2
    • 2016-03-08
    • US13392900
    • 2010-01-05
    • Derrick W. LewisRonald J. DirksenDavid Michael RadleyJames R. LovornFredrick D. Curtis
    • Derrick W. LewisRonald J. DirksenDavid Michael RadleyJames R. LovornFredrick D. Curtis
    • E21B21/08E21B44/00
    • E21B21/08E21B44/005
    • A well control method can include removing from a wellbore an undesired influx from a formation into the wellbore, determining a desired pressure profile in real time with a hydraulics model, and automatically operating a flow choking device while removing the undesired influx from the wellbore, thereby influencing an actual pressure profile toward the desired pressure profile. Another well control method can include removing out of a wellbore an undesired influx from a formation into the wellbore, determining a desired wellbore pressure with a hydraulics model, the desired wellbore pressure preventing further influx into the wellbore while removing the undesired influx from the wellbore, and automatically operating a flow choking device while removing the undesired influx from the wellbore, thereby influencing an actual wellbore pressure toward the desired wellbore pressure.
    • 井控制方法可以包括从井筒中去除从地层到井筒的不期望的流入,用液压模型实时确定期望的压力分布,并且自动地操作流动阻塞装置,同时从井筒除去不需要的流入,由此 影响到所需压力分布的实际压力分布。 另一井井控制方法可以包括从井筒中去除从地层到井筒的不期望的流入,用液压模型确定所需的井眼压力,所需的井眼压力防止进一步流入井眼,同时从井眼除去不想要的流入物, 并且自动地操作流动阻塞装置,同时从井筒除去不期望的流入,从而影响实际井筒压力朝向所需井筒压力。