Processing

Please wait...

Settings

Settings

Goto Application

1. WO2009006465 - SYSTEM AND METHOD FOR MEASURING A TIME-VARYING MAGNETIC FIELD AND METHOD FOR PRODUCTION OF A HYDROCARBON FLUID

Publication Number WO/2009/006465
Publication Date 08.01.2009
International Application No. PCT/US2008/068895
International Filing Date 01.07.2008
IPC
G01R 29/08 2006.01
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
29Arrangements for measuring or indicating electric quantities not covered by groups G01R19/-G01R27/135
08Measuring electromagnetic field characteristics
CPC
G01R 33/12
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
12Measuring magnetic properties of articles or specimens of solids or fluids
G01R 33/123
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
33Arrangements or instruments for measuring magnetic variables
12Measuring magnetic properties of articles or specimens of solids or fluids
123Measuring loss due to hysteresis
Applicants
  • SHELL OIL COMPANY [US]/[US] (SM)
  • SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. [NL]/[NL] (AllExceptUS)
  • BURNETT, Robert, Rex [US]/[US] (UsOnly)
  • OSTERMEIER, Richard, Martin [US]/[US] (UsOnly)
  • PEARCE, Jeremiah, Glen [US]/[US] (UsOnly)
  • SAVAGE, William, Mountjoy [US]/[US] (UsOnly)
Inventors
  • BURNETT, Robert, Rex
  • OSTERMEIER, Richard, Martin
  • PEARCE, Jeremiah, Glen
  • SAVAGE, William, Mountjoy
Agents
  • WATKINS, Marcella, D.
Priority Data
60/947,82003.07.2007US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD FOR MEASURING A TIME-VARYING MAGNETIC FIELD AND METHOD FOR PRODUCTION OF A HYDROCARBON FLUID
(FR) SYSTÈME ET PROCÉDÉ PERMETTANT DE MESURER UN CHAMP MAGNÉTIQUE VARIABLE DANS LE TEMPS ET PROCÉDÉ DE PRODUCTION D'UN FLUIDE HYDROCARBONÉ
Abstract
(EN)
In accordance with the present disclosure, a system and a method are disclosed for measuring a time varying magnetic field. In one aspect, a system comprises a plurality of induction coils arranged to measure the time varying magnetic field using at least one voltage induced in at least one of the induction coils in the plurality of induction coils, a plurality of snubber circuits connected to the plurality of induction coils, each of the snubber circuits of the plurality of snubber circuits arranged to suppress a resonance of a respective one of the induction coils of the plurality of induction coils, and a summing circuit connected to each of the snubber circuits of the plurality of snubber circuits, the summing circuit arranged to sum voltages induced in each of the induction coils in the plurality of induction coils.
(FR)
La présente invention concerne un système et un procédé permettant de mesurer un champ magnétique variable dans le temps. Selon un aspect, le système comporte une pluralité de bobines d'induction agencées pour mesurer le champ magnétique variable dans le temps au moyen d'au moins une tension induite dans au moins une des bobines d'induction de la pluralité de bobines d'induction, une pluralité de circuits de protection connectés à la pluralité de bobines d'induction, chacun des circuits de protection de la pluralité de circuits de protection étant agencé à supprimer une résonance d'une bobine respective des bobines d'induction de la pluralité de bobines d'induction, et un circuit de sommation connecté à chacun des circuits de protection de la pluralité de circuits de protection, le circuit de sommation étant agencé pour additionner des tensions induites dans chacune des bobines d'induction de la pluralité de bobines d'induction.
Latest bibliographic data on file with the International Bureau