Acoustic Transducer for LWD tool
US5644186A · kind A · utility
51Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K11/004
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A transducer and a receiver for use in logging-while-drilling operations, having internal pressure adjustment mechanisms to equalize the pressure between the interior of the transducer or receiver, and the well fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.