Wired pipe signal transmission testing apparatus and method
US8115495B2 · kind B2 · utility
10Cited by
7References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 2009 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Jun 20, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/042
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wired pipe signal transmission testing apparatus is provided. The apparatus includes a core having a plurality of threads formed on a surface thereof and a plurality of slots cutting through crests and roots of at least a portion of the threads, thereby creating an escape route for debris that may enter in between the threads. The apparatus includes an inductive transducer coupled to the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.