US 11,851,992 B2
Isolation sleeve with I-shaped seal
Benjamin Butler, Perth (AU); Leonque Jose Rondon, Maturin (VE); and David Joe Steele, Carrollton, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Nov. 29, 2021, as Appl. No. 17/536,491.
Prior Publication US 2023/0167713 A1, Jun. 1, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 41/00 (2006.01); E21B 33/12 (2006.01)
CPC E21B 41/0042 (2013.01) [E21B 33/1212 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A downhole tool, comprising:
a tubular, the tubular having an opening connecting an interior of the tubular and an exterior of the tubular; and
first and second I-shaped seals on opposing sides of the opening, each of the first and second I-shaped seals including:
first and second opposing members; and
a central member separating the first and second opposing members, the central member defining first and second fluid cavities, wherein the tubular forms at least a portion of an isolation system, further including an isolation sleeve located within the isolation system, the isolation sleeve straddling the first and second I-shaped seals to isolate the interior of the tubular and the exterior of the tubular, wherein the tubular includes an uphole no-go profile, a downhole no-go profile, or a collet to position the isolation sleeve within the tubular.