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:
Jul. 29, 2025
Filed:
May. 10, 2023
Sabre Machining Ltd., Alberta, CA;
Gregg Lacusta, Alberta, CA;
Sabre Machining Ltd., Alberta, CA;
Abstract
A tubing isolation valve configured to permit lowering thereof downhole and installation in an existing pump seating nipple at a distal end of a production string. An elongate mandrel having at least 2 ports is slidably positioned in a hollow seal sub. A portion of the resulting assembly is positionable via a landing tool within the pump seating nipple. The mandrel is slidably moveable within the seal sub and pump seating nipple, from a first open position where fluids can be pumped from the wellbore via a pump fluidly connected to the landing tool, to a second closed position where fluids are isolated from the production tubing. Configurations of and methods of installing and operating the isolation valve when for example removing a pump from the well, and for removing the isolation valve completely from pump seating nipple and wellbore if desired, are further disclosed.