The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 1995
Filed:
Jul. 18, 1994
Jacques Pocachard, Voreppe, FR;
Veronique Barthes, St. Ismier, FR;
Commissariat A l'Energie Atomique, Paris, FR;
Abstract
Probe and process for measuring the remanent field (R) of a geological formation. A measurement is made of the magnetic field (B+I1+R1) along the axis of the geomagnetic field using a scalar magnetometer, followed by a vector measurement of the resultant magnetic field (Bp+Ip+R3) projected onto an invariable measurement axis. With the aid of the calculated values of the geomagnetic field (B) and the magnetic susceptibility field (I), it is in particular possible to calculate a component (S) of the remanent magnetic field (R) perpendicular to the geomagnetic field (B) and determine if the cancellation of the component of the field (R1) along this axis is due to a tilting of the magnetic pole in history or a local reduction of the remanent magnetization.