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    • 1. 发明申请
    • Downhole Mixing Tool
    • 井下混合工具
    • US20110308804A1
    • 2011-12-22
    • US13159764
    • 2011-06-14
    • Richard Alvin ArmellRuairidh Andrew CooperJanet Armell
    • Richard Alvin ArmellRuairidh Andrew CooperJanet Armell
    • E21B37/00E21B27/00
    • E21B43/124B01F3/12B01F5/0463E21B43/29
    • A downhole mixing tool and method for removing sand and other debris from a wellbore which combines the sand with a treatment fluid so that the sand is lifted to the surface of the well for removal. The tool includes a chamber into which the sand laden fluid is drawn and the treatment fluid is introduced. Ports into the chamber are arranged to provide a pressure drop to draw the sand laden fluid into the chamber and a mixing time within the chamber before sand laden fluid of lower viscosity exits the chamber to travel to the surface. Additional features include blades on the tool for breaking up obstructions prior to being drawn into the chamber and a lubricating line through the tool to introduce lubricating fluid to the blades.
    • 一种井下混合工具和从井筒中除去沙子和其他碎屑的方法,其将砂与处理液结合在一起,以使砂被提升到井的表面以除去。 该工具包括一个腔室,吸入含沙液体并引入处理流体。 进入腔室的端口被布置成提供压降以将含沙的流体吸入腔室中,并且在较低粘度的含沙流体离开腔室之前在腔室内的混合时间移动到表面。 附加特征包括刀具上的刀片,用于在被吸入腔室之前破坏障碍物,以及通过该工具的润滑管线将润滑流体引入刀片。
    • 2. 发明授权
    • Downhole mixing tool
    • 井下混合工具
    • US08684086B2
    • 2014-04-01
    • US13159764
    • 2011-06-14
    • Ruairidh Andrew CooperJanet Armell
    • Richard Alvin ArmellRuairidh Andrew Cooper
    • E21B27/00E21B37/00
    • E21B43/124B01F3/12B01F5/0463E21B43/29
    • A downhole mixing tool and method for removing sand and other debris from a wellbore which combines the sand with a treatment fluid so that the sand is lifted to the surface of the well for removal. The tool includes a chamber into which the sand laden fluid is drawn and the treatment fluid is introduced. Ports into the chamber are arranged to provide a pressure drop to draw the sand laden fluid into the chamber and a mixing time within the chamber before sand laden fluid of lower viscosity exits the chamber to travel to the surface. Additional features include blades on the tool for breaking up obstructions prior to being drawn into the chamber and a lubricating line through the tool to introduce lubricating fluid to the blades.
    • 一种井下混合工具和从井筒中除去沙子和其他碎屑的方法,其将砂与处理液结合在一起,以使砂被提升到井的表面以除去。 该工具包括一个腔室,吸入含沙液体并引入处理流体。 进入腔室的端口被布置成提供压降以将含沙的流体吸入腔室中,并且在较低粘度的含沙流体离开腔室之前在腔室内的混合时间移动到表面。 附加特征包括刀具上的刀片,用于在被吸入腔室之前破坏障碍物,以及通过该工具的润滑管线将润滑流体引入刀片。