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.:

US 9371718 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 21, 2016

Filed:

Nov. 11, 2010
Applicants:

Michael Bittar, Houston, TX (US);

Jing LI, Pearland, TX (US);

Daniel Dorffer, Houston, TX (US);

Clive Menezes, Conroe, TX (US);

Inventors:

Michael Bittar, Houston, TX (US);

Jing Li, Pearland, TX (US);

Daniel Dorffer, Houston, TX (US);

Clive Menezes, Conroe, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/11 (2006.01); E21B 17/08 (2006.01); E21B 17/00 (2006.01);
U.S. Cl.
CPC ...
E21B 43/11 (2013.01); E21B 17/00 (2013.01); E21B 17/08 (2013.01); E21B 17/003 (2013.01);
Abstract

An electromagnetic perforation device for well casings includes a coil disposed around a core carried by a mandrel. The device further includes a power supply coupled to a current supply device, which is coupled to said coil. A stabilizing member extends from the mandrel and spaced apart on the mandrel from the coil core. The electromagnetic perforation device may be positioned in a well casing, and the current supply device may rapidly supply a current to the coil to created an electromagnetic field in the coil and simultaneously induces a magnetic field in the well casing. The coil, current, and well casing may be selected such that electromagnetic field and the magnetic field produce repulsive magnetic forces that are sufficient to overcome a yield strength of the well casing and perforate the well casing.


Find Patent Forward Citations

Bittar, Michael. (2016). Milling well casing using electromagnetic pulse (U.S. Patent No. 9371718). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9371718

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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