Patent · US Active

Fluid resistivity measurement tool

US8464796B2 · kind B2 · utility

0Cited by

9References

18Claims

0Family size

Assignee

SCHLUMBERGER TECHNOLOGY CORPORATION · US

Inventors

Albert Hoefel · Sugar Land, US
Kent David Harms · Richmond, US
Michael J. Stucker · Sugar Land, US

Key dates

Filing date	Aug 3, 2010
Grant date	Jun 18, 2013
Priority date	—
Expiry date	Jun 1, 2031

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B49/0875
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A downhole tool configured for conveyance within a borehole extending into a subterranean formation, wherein the downhole tool comprises a sensor assembly comprising a housing, a cap coupled to an end of the housing, a flow-line tube disposed within the housing and configured to receive fluid from the formation, a first winding disposed within the housing and configured to induce an electrical current in the fluid, and a second winding disposed within the housing and configured to detect the electrical current induced in the fluid by the first winding.

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