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    • 1. 发明申请
    • SYSTEM AND METHOD FOR DRILLING LATERAL BOREHOLES
    • 用于钻井的钻孔系统和方法
    • US20110278070A1
    • 2011-11-17
    • US12745633
    • 2008-11-27
    • Christopher HopkinsNiina NobuyoshiStephen Bonner
    • Christopher HopkinsNiina NobuyoshiStephen Bonner
    • E21B7/04
    • E21B41/0035E21B4/02E21B7/046E21B23/01E21B41/0042E21B43/10E21B44/00
    • A drilling system for drilling a lateral borehole from a main borehole comprises a tubular conduit through which a fluid can be pumped, and a drilling assembly connected to the tubular conduit so as to receive fluid pumped therethrough. The drilling assembly comprises a power conversion unit, through which the fluid flows and which operates to provide a downhole power output; a drilling unit including a drilling apparatus powered by the output of the power conversion unit and operable to drill a lateral borehole into the formation surrounding the main borehole, and a liner unit for storing one or more liners for installation into the lateral borehole; and an anchor unit operable to anchor the drilling assembly in the main borehole when the drilling unit operates to drill the lateral borehole. A method of drilling a lateral borehole from a main borehole using such a drilling system comprises positioning the drilling assembly in the main borehole at a location of interest using the tubular conveyance; anchoring the drilling assembly in the main borehole using the anchor unit; operating the drilling unit to drill a lateral borehole from the main borehole; retrieving the drilling unit from the lateral borehole; releasing the anchor unit; and moving the drilling assembly to another location.
    • 用于从主钻孔钻出横向钻孔的钻井系统包括可以泵送流体的管状导管和连接到管状导管以便接收通过其泵送的流体的钻井组件。 钻井组件包括功率转换单元,流体通过该功率转换单元操作以提供井下功率输出; 钻井单元,其包括由功率转换单元的输出供电的钻孔设备,并且可操作以将横向钻孔钻入围绕主钻孔的地层中;以及衬套单元,用于存储用于安装到侧向钻孔中的一个或多个衬垫; 以及锚固单元,其可操作以在钻井单元操作以钻入横向钻孔时将钻井组件锚定在主钻孔中。 使用这种钻井系统从主钻孔钻出侧向钻孔的方法包括使用管状输送将钻探组件定位在感兴趣的位置处的主钻孔中; 使用锚固单元将钻井组件锚定在主钻孔中; 操作钻井单元从主钻孔钻一个横向钻孔; 从侧向钻孔取回钻井单元; 释放锚单元; 并将钻探组件移动到另一位置。
    • 2. 发明授权
    • System and method for drilling lateral boreholes
    • 用于钻孔横向钻孔的系统和方法
    • US08813844B2
    • 2014-08-26
    • US12745633
    • 2008-11-27
    • Christopher HopkinsNiina NobuyoshiStephen Bonner
    • Christopher HopkinsNiina NobuyoshiStephen Bonner
    • E21B4/14
    • E21B41/0035E21B4/02E21B7/046E21B23/01E21B41/0042E21B43/10E21B44/00
    • A drilling system for drilling a lateral borehole from a main borehole comprises a tubular conduit through which a fluid can be pumped, and a drilling assembly connected to the tubular conduit so as to receive fluid pumped therethrough. The drilling assembly comprises a power conversion unit, through which the fluid flows and which operates to provide a downhole power output; a drilling unit including a drilling apparatus powered by the output of the power conversion unit and operable to drill a lateral borehole into the formation surrounding the main borehole, and a liner unit for storing one or more liners for installation into the lateral borehole; and an anchor unit operable to anchor the drilling assembly in the main borehole when the drilling unit operates to drill the lateral borehole. A method of drilling a lateral borehole from a main borehole using such a drilling system comprises positioning the drilling assembly in the main borehole at a location of interest using the tubular conveyance; anchoring the drilling assembly in the main borehole using the anchor unit; operating the drilling unit to drill a lateral borehole from the main borehole; retrieving the drilling unit from the lateral borehole; releasing the anchor unit; and moving the drilling assembly to another location.
    • 用于从主钻孔钻出横向钻孔的钻井系统包括可以泵送流体的管状导管和连接到管状导管以便接收通过其泵送的流体的钻井组件。 钻井组件包括功率转换单元,流体通过该功率转换单元操作以提供井下功率输出; 钻井单元,其包括由功率转换单元的输出供电的钻孔设备,并且可操作以将横向钻孔钻入围绕主钻孔的地层中;以及衬套单元,用于存储用于安装到侧向钻孔中的一个或多个衬垫; 以及锚固单元,其可操作以在钻井单元操作以钻入横向钻孔时将钻井组件锚定在主钻孔中。 使用这种钻井系统从主钻孔钻出侧向钻孔的方法包括使用管状输送将钻探组件定位在感兴趣的位置处的主钻孔中; 使用锚固单元将钻井组件锚定在主钻孔中; 操作钻井单元从主钻孔钻一个横向钻孔; 从侧向钻孔取回钻井单元; 释放锚单元; 并将钻探组件移动到另一位置。