US 12,241,330 B1
Tight tolerance packer
Frank Vinicia Acosta Villarreal, Houston, TX (US); Saul Emmanuel Vazquez Niebla, Houston, TX (US); and Ahmad Rizal Maharam, Senai (MY)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US)
Filed on Aug. 29, 2023, as Appl. No. 18/239,254.
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 33/12 (2006.01)
CPC E21B 33/12 (2013.01) 19 Claims
OG exemplary drawing
 
1. A packer for use in a well comprising:
a packer mandrel having a stepped outer surface defining first, second and third progressively smaller outer diameters, the third outer diameter defining a reduced outer diameter portion;
a setting sleeve disposed about the packer mandrel, the setting sleeve having a stepped inner surface defining first and second inner diameters, the second inner diameter being smaller than the first inner diameter and defining a reduced inner diameter, the setting sleeve engaged with and slidable on the second and third outer diameters on the outer surface of the packer mandrel; and
a packer element having upper and lower ends disposed about the reduced outer diameter portion of the packer mandrel, the setting sleeve movable from a first position to a second position on the packer mandrel to move the packer to a set position, one of the upper and lower ends of the packer element being in a propped element configuration, the other of the upper and lower ends of the packer element comprising a non-propped element configuration.