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    • 8. 发明授权
    • Dual-purpose steam injection and production tool
    • 双用途蒸汽注入和生产工具
    • US09027642B2
    • 2015-05-12
    • US13115677
    • 2011-05-25
    • John S. SladicBrian SternamanChristopher Hall
    • John S. SladicBrian SternamanChristopher Hall
    • E21B43/00E21B43/24E21B41/00
    • E21B43/24E21B41/0078
    • A dual-purpose tool can be used for steam injection and production in a wellbore. A mandrel deploys in the wellbore to communicate steam in a steam injection operation and to communicate production fluid from the wellbore during production operations. A distributor on the mandrel has nozzles for injecting steam into the wellbore and has production valves for producing fluids from the wellbore. A screen can be used to screen production fluids as they are produced through the production valves. The nozzles can also allows produced fluids to flow into the mandrel, or backflow valves can be used to restrict flow of produced fluids through the nozzles while permitting the flow of steam out of the nozzles.
    • 一种双用途工具可用于在井筒中进行蒸汽注入和生产。 心轴在井筒中部署以在蒸汽注入操作中传递蒸汽并且在生产操作期间从井眼传达生产流体。 心轴上的分配器具有用于将蒸汽注入井眼的喷嘴,并且具有用于从井眼产生流体的生产阀。 屏幕可用于筛选通过生产阀门生产的生产流体。 喷嘴还可以允许产生的流体流入心轴,或者可以使用回流阀来限制所产生的流体通过喷嘴的流动,同时允许蒸汽从喷嘴流出。
    • 9. 发明申请
    • Erosion Resistant Flow Nozzle for Downhole Tool
    • 井下工具耐腐蚀流动喷嘴
    • US20130112399A1
    • 2013-05-09
    • US13292965
    • 2011-11-09
    • Rodney S. RoyerHenry Joe Jordan, JR.Jeffrey E. KubiakChristopher Hall
    • Rodney S. RoyerHenry Joe Jordan, JR.Jeffrey E. KubiakChristopher Hall
    • E21B43/00
    • E21B43/08E21B41/0078E21B43/29
    • An erosion resistant nozzle is brazed to the surface of a tubular, such as a shunt tube of a wellscreen apparatus, for use in a wellbore. The nozzle is elongated and defines an aperture for communicating exiting flow from the tubular's port. The lead end of the nozzle disposed downstream of the exiting flow can be lengthened to prevent erosion to the tubular. The lead endwall of the nozzle's aperture can be angled relative to the nozzle's length and can be rounded. The nozzle can be composed of an erosion resistant material or can be composed of a conventional material having an erosion resistant coating or plating thereon. Being elongated with a low height, the nozzle can have a low profile on the tubular, and the aperture's elongating can be increased or decreased to increase or decrease the flow area through the nozzle.
    • 耐腐蚀喷嘴钎焊到管状表面,例如井眼设备的分流管,用于井眼。 喷嘴是细长的并且限定了用于使来自管状端口的离开的流体的孔。 设置在出口流动下游的喷嘴的前端可以被延长以防止对管的侵蚀。 喷嘴孔的前端壁可以相对于喷嘴的长度成角度,并且可以是圆形的。 喷嘴可以由耐侵蚀材料构成,也可以由具有抗侵蚀涂层或镀层的常规材料构成。 细长的低高度,喷嘴可以在管状物上具有低轮廓,并且可以增加或减小孔径的伸长率,以增加或减少通过喷嘴的流动面积。