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:
Feb. 14, 2023
Filed:
May. 02, 2019
Applicant:
King Abdullah University of Science and Technology, Thuwal, SA;
Inventors:
Juan Carlos Santamarina, Thuwal, SA;
Qi Liu, Thuwal, SA;
Assignee:
KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY, Thuwal, SA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/005 (2012.01); E21B 47/092 (2012.01); E21B 47/113 (2012.01);
U.S. Cl.
CPC ...
E21B 47/005 (2020.05); E21B 47/092 (2020.05); E21B 47/113 (2020.05);
Abstract
A method for investigating well integrity, the method including pumping a magnetic fluid into an annulus of the well; magnetizing with a magnet the magnetic fluid while in the annulus of the well; moving a magnetic sensing probe through a casing of the well and recording a magnetic field generated by the magnetic fluid; and processing the recorded magnetic field to determine a distribution of magnetic particles into the magnetic fluid in the annulus.