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    • 2. 发明授权
    • Method and apparatus for extending pressurization of fluid-actuated
wellbore tools
    • 用于延长流体致动井眼工具加压的方法和装置
    • US5228519A
    • 1993-07-20
    • US797220
    • 1991-11-25
    • Martin P. CoronadoRustom K. Mody
    • Martin P. CoronadoRustom K. Mody
    • E21B23/04E21B23/06E21B33/127
    • E21B23/06E21B23/04E21B33/1275
    • A method and apparatus is provided for extending a pressurization time interval. The pressurization-extending device includes a number of components which cooperate together. The pressurization-extending device is coupled between a source of pressurized fluid, such as a pump, and a fluid-actuated wellbore tool, such as an inflatable packer or inflatable bridge plug. The components include an input for receiving pressurized fluid from the source of pressurized fluid, and an output for directing pressurized fluid to the fluid-actuated wellbore tool to supply an actuating force to the fluid-actuated wellbore tool. The pressurization-extending device further includes a timer device, which is responsive to the actuating force of the pressurized fluid, for automatically maintaining the actuating force of the pressurized fluid within the fluid-actuated wellbore tool at a preselected force level for a preselected time interval.
    • 提供了一种用于延长加压时间间隔的方法和装置。 加压延伸装置包括多个配合在一起的部件。 加压延伸装置联接在诸如泵的加压流体源和流体致动井筒工具之间,例如可膨胀封隔器或可充气桥塞。 这些部件包括用于从加压流体源接收加压流体的输入端和用于将加压流体引导到流体致动的井筒工具以向流体致动井筒工具提供致动力的输出。 加压延伸装置还包括响应于加压流体的致动力的定时装置,用于将加压流体在流体致动的井眼工具内的致动力以预选的力水平自动保持在预选的时间间隔 。
    • 5. 发明授权
    • Equalizing apparatus for use with wireline-conveyable pumps
    • 用于电缆输送泵的均衡装置
    • US5265679A
    • 1993-11-30
    • US851099
    • 1992-03-13
    • Martin P. CoronadoLuis E. Mendez
    • Martin P. CoronadoLuis E. Mendez
    • E21B23/04E21B23/06E21B33/127E21B34/10E21B34/14
    • E21B23/04E21B23/06E21B33/1275
    • An equalizing apparatus is provided for use in a wellbore tool string which includes a wireline-conveyable source of pressurized fluid which selectively discharges fluid, a wireline-conveyable fluid-pressure actuable wellbore tool which is operable in a plurality of modes of operation including at least a running mode of operation with the wireline-conveyable fluid-pressure actuable wellbore tool in a running condition and a actuated mode of operation with the wireline-conveyable fluid-pressure actuable wellbore tool in an actuated condition, a flow path for communicating fluid from the wireline-conveyable source of pressurized fluid and the wireline-conveyable fluid-pressure actuable wellbore tool, and a wireline assembly which is coupled thereto for delivery of the wireline-conveyable source of pressurized fluid and the wireline-conveyable fluid-pressure actuable wellbore tool to a selected location within a wellbore.
    • 提供了一种用于井筒工具串中的平衡装置,其包括有选择地排放流体的加压流体的可输送线缆,可运行于多个操作模式的电缆输送式流体压力致动井眼工具,其包括至少 在运行状态下的有线可输送流体压力致动井眼工具的运行模式和处于致动状态的电缆可输送流体压力致动井眼工具的致动操作模式,用于将流体从 有线可输送的加压流体源和电缆可输送的流体压力致动井筒工具,以及与其连接的电缆组件,用于将有线输送的加压流体源和有线可输送的流体压力致动井眼工具传送到 在井筒内的选定位置。