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:
Aug. 06, 2024
Filed:
Feb. 23, 2023
Forum Us, Inc., Houston, TX (US);
Samer Elkhalil, Houston, TX (US);
Jeffery Morrison, Missouri City, TX (US);
FORUM US, INC., Houston, TX (US);
Abstract
Aspects of the present disclosure relate to a casing string comprising a buoyant mandrel and one or more dissolvable plugs, and methods of conducting wellbore operations using the casing string. The casing string may have an upper mandrel comprising a rupture disk. A slotted mandrel may be coupled to a lower end of the upper mandrel and comprise a plug disposed in a port of the slotted mandrel. A casing shoe may be coupled to a lower end of the slotted mandrel and comprise a check valve assembly. A gas filled chamber may be formed between the rupture disk and the check valve assembly. The plug may be configured to dissolve after a predetermined amount of time when in contact with a wellbore fluid.