Patent · US Active

Ringdown controlled downhole transducer

US11554387B2 · kind B2 · utility

1Cited by

8References

18Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Jing Jin · Beijing, CN
Yao Ge · Singapore, SG
Ruijia Wang · Singapore, SG

Key dates

Filing date	Jun 11, 2019
Grant date	Jan 17, 2023
Priority date	—
Expiry date	Nov 13, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG01V2001/526
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus and system for deploying an acoustic sensor are disclosed. In some embodiments, an acoustic sensor includes a transducer comprising a piezoelectric material layer having a front side from which the transducer is configured to transmit acoustic sensing signals and an opposing back side. A backing material layer comprising an acoustic damping material is coupled at a front side to the back side of the piezoelectric material layer. An acoustic reflector such as may comprise a cavity containing gaseous or liquid fluid is disposed between the front side and a back side of the backing material layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.