Drilling optimization with a downhole motor
US9797235B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2011 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Jul 5, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K11/215
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Optimizing the operation of a hydraulically powered rotor and stator driven drill as it drills a wellbore into the earth is described. Drilling optimization is provided measuring a first set of rotor and stator operating parameters including the speed of rotation of the rotor and rotor torque for a first period of time, generating a first set of relationships from the first set of operating parameters to enable the rotor speed and rotor torque to be predicted over a range of operating parameter values, determining from the relationships a first more optimal mode of operation, and changing at least one operating parameter to move the operation of the rotor and stator towards the more optimal mode of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.