发明名称 DRILLING TOOL BEARING AND DRIVETRAIN ASSEMBLY
摘要 A downhole drilling motor, system, and method for using same are disclosed. A downhole drilling motor can include a power section stator having a first end, a second end, an internal cavity passing therethrough. The downhole drilling motor can further include a rotor assembly positioned and fully encased in the internal cavity. The rotor assembly includes a power section rotor, a drivetrain operably coupled to the power section rotor and a bearing set. The power section rotor is positioned at the first end within the internal cavity of the power section stator. The power section rotor, the drivetrain, and the bearing set are fully encased in the internal cavity of the power section stator. Additional apparatuses, systems, and methods are disclosed.
申请公布号 WO2016093857(A1) 申请公布日期 2016.06.16
申请号 WO2014US69978 申请日期 2014.12.12
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 SAVAGE, JOHN KEITH;BELL, STEVEN GRAHAM
分类号 E21B4/02;E21B4/10;E21B7/00 主分类号 E21B4/02
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