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:
Aug. 25, 2015
Filed:
Jun. 06, 2013
Applicant:
Halliburton Energy Services, Inc., Houston, TX (US);
Inventors:
Christopher Michael McMillon, Wylie, TX (US);
Adam Wright, Alkhobar, SA;
Assignee:
Halliburton Energy Services, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01F 7/04 (2006.01); E21B 23/00 (2006.01); E21B 23/01 (2006.01);
U.S. Cl.
CPC ...
E21B 23/00 (2013.01); E21B 23/01 (2013.01); H01F 7/04 (2013.01);
Abstract
A magnetic attachment mechanism for use with a downhole tool comprises a plurality of permanent magnets each having a magnetic field, a demagnetizer configured to at least partially cancel one or more magnetic fields in an activated state, an actuator configured to transition the demagnetizer between the activated state and a deactivated state or the deactivated state and the activated state, and at least one downhole tool coupled to the plurality of permanent magnets.