Patent · US Active

Electromagnetic viscosity sensor

US9062532B2 · kind B2 · utility

0Cited by

22References

23Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Thomas Kruspe · Braunschweig, DE
Stefan Sroka · Celle, DE

Key dates

Filing date	Mar 6, 2012
Grant date	Jun 23, 2015
Priority date	—
Expiry date	Sep 3, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG01N2011/0086
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus for estimating a property of a downhole fluid includes: a flexural mechanical resonator having at least one magnetic permeable element traversing a pressure-retaining wall with a portion of the magnetic permeable element protruding into the fluid, the portion of the magnetic permeable element protruding into the fluid being configured to oscillate; and a monitor for receiving a response of the flexural mechanical resonator to estimate the property.

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