US 12,460,503 B2
Strain absorbing downhole packer
Luis A. Garcia, Kingwood, TX (US); and Tim Davis, Spring, TX (US)
Assigned to TAM INTERNATIONAL, INC., Houston, TX (US)
Filed by TAM INTERNATIONAL, INC., Houston, TX (US)
Filed on Jun. 20, 2024, as Appl. No. 18/748,695.
Claims priority of provisional application 63/522,928, filed on Jun. 23, 2023.
Prior Publication US 2024/0426189 A1, Dec. 26, 2024
Int. Cl. E21B 33/12 (2006.01); E21B 23/06 (2006.01)
CPC E21B 33/1208 (2013.01) [E21B 23/06 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A packer comprising:
a tubular mandrel having a longitudinal axis;
a swellable elastomeric body positioned about the mandrel; and
a first end cap, the first end cap being generally annular and having a first inner bore, wherein the mandrel extends through the first inner bore and the first end cap is coupled to the mandrel, wherein the first end cap abuts a first end of the swellable elastomeric body at a first end of the first end cap, and wherein the first end of the first end cap includes a first strain absorbing undercut formed in the inner bore thereof, the first strain absorbing undercut being configured such that the swellable elastomeric body can expand parallel to the longitudinal axis into the first strain absorbing undercut.