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:
Feb. 18, 2025
Filed:
Jun. 14, 2023
Applicant:
Weatherford Technology Holdings, Llc, Houston, TX (US);
Inventor:
Gregory Gaspard, Houston, TX (US);
Assignee:
Weatherford Technology Holdings, LLC, Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 34/10 (2006.01);
U.S. Cl.
CPC ...
E21B 34/102 (2013.01);
Abstract
A convertible valve assembly has an upper and lower plunger valve connected to one another so that they reciprocate together. A retainer assembly holds the valves in a bi-directional configuration, allowing fluid flow in both directions through the valves. The retainer assembly then releases the valves to a unidirectional configuration upon application of a downhole hydraulic pressure, so that fluid can flow only one direction through the valve assembly.