| 发明名称 | Drilling motors with elastically deformable lobes | ||
| 摘要 | In an aspect, a drilling motor is provided that in one embodiment includes a stator and a rotor configured to be disposed in the stator, wherein the rotor includes a lobe member having an elastically deformable surface configured to provide an interference seal between the stator and the rotor. | ||
| 申请公布号 | US8776916(B2) | 申请公布日期 | 2014.07.15 |
| 申请号 | US201113175093 | 申请日期 | 2011.07.01 |
| 申请人 | Baker Hughes Incorporated | 发明人 | Dick Aaron J. |
| 分类号 | E21B4/02 | 主分类号 | E21B4/02 |
| 代理机构 | Cantor Colburn LLP | 代理人 | Cantor Colburn LLP |
| 主权项 | 1. A drilling motor comprising: a stator having a lobe; and a rotor configured to be disposed in the stator, wherein the rotor includes a rotor body having a plurality of rotor lobes, wherein a selected rotor lobe includes a lobe member attached to the rotor lobe, the lobe member being configured to elastically deform to provide an interference seal between the lobe of the stator and the selected rotor lobe when the rotor rotates in the stator. | ||
| 地址 | Houston TX US | ||