Mud motor
US6527512B2 · kind B2 · utility
8Cited by
16References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2001 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Mar 1, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S415/901
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A fluid powered drilling motor adapted for drilling oil wells and other subterranean bore holes. The motor having a rotor and a stator wherein the iron content of the whole motor is less than 0.1% wt. In one embodiment the motor is made of an alloy having a base metal comprising one of copper, nickel, and aluminum plus about 0.05-10 wt % Beryllium. In another embodiment, the motor is made of either 15Ni-8SN—Cu or 9Ni-6Sn—Cu.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.