Forum Us, Inc.

Samer Elkhalil

Jeffery Morrison

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.

Growing community of inventors

Houston, TX, United States of America

Samer Elkhalil