Measuring the weight on a drill bit during drilling operations using coherent radiation
US7628227B2 · kind B2 · utility
35Cited by
10References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 2008 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | May 27, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/88
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
One embodiment includes an apparatus that includes a coherent radiation source to emit coherent radiation through a signal carrier that is positioned along at least a part of a length of a downhole drilling component. The apparatus also includes a receiver to receive the coherent radiation that is to be emitted through the signal carrier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.