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 7124820 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 24, 2006

Filed:

Aug. 20, 2004
Applicant:

Louis J. Wardlaw, Houston, TX (US);

Inventor:

Louis J. Wardlaw, Houston, TX (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 36/04 (2006.01); E21B 36/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exothermic well tool and method of use for the repair of failure spots along a section of a first tubular conduit, such as casing, wherein the housing of the tool is heated to at least a temperature approximately in excess of that required to activate and melt an exothermic metal alloy composition and may include an ignitable starter fuel charge with a series of solid activation fuel charges spaced throughout the chamber. The tool may also include a length of a second tubular conduit for positioning around the exterior of the housing to define an annular area relative to the first tubular conduit for deposit of a low temperature metal alloy therein.


Find Patent Forward Citations

Wardlaw, Louis. (2006). Exothermic tool and method for heating a low temperature metal alloy for repairing failure spots along a section of a tubular conduit (U.S. Patent No. 7124820). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7124820

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

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