US 11,891,876 B2
Methods and systems for rotating a casing to ensure efficient displacement of cement slurry
Michael Sepulveda, Houston, TX (US); and Sigurd Eirik Sperbund, Houston, TX (US)
Assigned to NESA ENERGY LLC, Austin, TX (US)
Filed by Ranton Holding LLC, Houston, TX (US)
Filed on Feb. 3, 2023, as Appl. No. 18/105,555.
Application 18/105,555 is a continuation of application No. 17/355,456, filed on Jun. 23, 2021, granted, now 11,598,176.
Claims priority of provisional application 63/137,515, filed on Jan. 14, 2021.
Prior Publication US 2023/0175349 A1, Jun. 8, 2023
Int. Cl. E21B 33/14 (2006.01); F16D 23/14 (2006.01)
CPC E21B 33/14 (2013.01) [F16D 23/14 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A downhole tool for forming an annular barrier comprising:
a housing with a communication port and a disc port, wherein a rupture disc is configured to be positioned within the disc port;
a first sleeve configured to move within the housing, wherein in a first position the first sleeve is configured to cover the communication port and in a second position the first sleeve is configured to cover the disc port and expose the communication port;
a second sleeve configured to move within the housing, wherein the second sleeve is configured to move downhole to be positioned adjacent to the first sleeve, wherein when the second sleeve is positioned adjacent to the first sleeve the second sleeve covers the communication port;
a first wiper plug that is configured to move the first sleeve from the first position to the second position; and
a second wiper plug that is configured to move the second sleeve within the housing.