Wired casing
US7303022B2 · kind B2 · utility
50Cited by
701References
57Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2004 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | May 8, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention involves a method and apparatus for monitoring conditions downhole and/or manipulating downhole tools by placing electrical wire on a casing string while drilling with casing. Wire is inserted into a groove within the casing string while drilling with the casing string into a formation. The wire connects downhole equipment to surface equipment. Multiple casing strings may be drilled into the formation while wire is simultaneously inserted into a groove therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.