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.

Date of Patent:
Jun. 23, 2026

Filed:

May. 13, 2025
Applicant:

Saudi Arabian Oil Company, Dhahran, SA;

Inventors:

Richard Mark Pye, Dhahran, SA;

Rae Andrew Younger, Aberdeenshire, GB;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 33/14 (2006.01); E21B 23/04 (2006.01); E21B 36/00 (2006.01); E21B 47/005 (2012.01);
U.S. Cl.
CPC ...
E21B 33/14 (2013.01); E21B 23/0413 (2020.05); E21B 36/00 (2013.01); E21B 47/005 (2020.05);
Abstract

A well tool assembly for casing annulus clean out and repair includes an elongate, hollow tool body defining an internal volume. The tool body includes a heater section at a first end of the tool body. The heater section can receive a first heater in the internal volume. A pressure section is axially attached to the heater section. The pressure section defines multiple pressure ports on a circumferential surface of the tool body. The multiple pressure ports can flow fluid from the internal volume radially out of the tool body. An alloy section is axially attached to the pressure section. The alloy section carries a first quantity of alloy. The first heater can be positioned in the heater section and to heat and melt a second quantity of alloy. A second heater can be positioned in the alloy section and to heat and melt the first quantity of alloy.


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