Borehole caliper tool using ultrasonic transducer
US7069775B2 · kind B2 · utility
27Cited by
31References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2004 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Mar 4, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/044
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A borehole caliper tool includes a tool body, a bow spring flexibly coupled to the tool body, a target coupled to the bow spring, and an ultrasonic transducer coupled to the tool body, wherein in operation the ultrasonic transducer transmits an acoustic pulse to the target and receives an echo of the acoustic pulse from the target.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.