Memory processing systems for well tools
US4763259A · kind A · utility
8Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1985 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Mar 29, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/327
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A self-contained, down hole powered electrical system in which a well tool microprocessor and circuitry can be programmed from an external microprocessor and verified as to functional capabilities and data can be retrieved from the tool by use of a current and voltage encoded binary system. Further, the system includes an alarm system for verifying the operation of the tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.