US 11,851,974 B1
Resettable packer system for pumping operations
Chidirim Enoch Ejim, Dhahran (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Aug. 26, 2022, as Appl. No. 17/822,728.
Int. Cl. E21B 33/124 (2006.01); E21B 33/127 (2006.01)
CPC E21B 33/1243 (2013.01) [E21B 33/127 (2013.01); E21B 33/1246 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A resettable packer system for pumping operations, the resettable packer system comprising:
an inflatable packer configured to expand between the resettable packer system and a tubing wall or a casing wall, thereby creating a seal in a well;
a pump configured to inflate the inflatable packer at a desired depth within the well when activated;
an inner sleeve comprising ports for a fluid to pass through; and
an outer sleeve, connected to the pump, configured to create a sealed fluid chamber with the inflatable packer when ports of the outer sleeve and the ports of the inner sleeve are misaligned;
wherein the inner sleeve is configured to slide axially along an inner surface of the outer sleeve, thereby aligning or misaligning the ports of the outer sleeve with the ports of the inner sleeve; and
wherein the inflatable packer contracts when the pump is inactive.