Apparatus and method of monitoring and signaling for downhole tools
US6843120B2 · kind B2 · utility
5Cited by
11References
73Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 19, 2002 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | Jul 13, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B44/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention comprises wireless low frequency downhole detection, monitoring and communication capable of operation at greater depths than prior methods and capable of detection with standard equipment and/or standard data, thereby improving system cost, utility, reliability and maintainability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.