US 11,814,920 B2
System and methodology for through tubing patching
Samuel Roselier, Bruz (FR); James Leighton, Bruz (FR); Benjamin Saltel, Bruz (FR); Robin McGowan, Dubai (AE); Juan Miguel La Rotta Marin, Aberdeen (GB); and Gareth Brown, Aberdeen (GB)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Appl. No. 17/423,720
Filed by Saltel Industries, Bruz (FR)
PCT Filed Jan. 21, 2020, PCT No. PCT/EP2020/051430
§ 371(c)(1), (2) Date Jul. 16, 2021,
PCT Pub. No. WO2020/152179, PCT Pub. Date Jul. 30, 2020.
Claims priority of application No. 19305074 (EP), filed on Jan. 21, 2019.
Prior Publication US 2022/0081986 A1, Mar. 17, 2022
Int. Cl. E21B 29/10 (2006.01); E21B 33/127 (2006.01); E21B 43/10 (2006.01)
CPC E21B 29/10 (2013.01) [E21B 33/127 (2013.01); E21B 43/105 (2013.01)] 20 Claims
OG exemplary drawing
 
19. A system, comprising:
an expandable patch system having a plurality of expansion rings sized for movement through an interior of a well tubing, at least two expansion rings of the plurality of expansion rings having sealing elements oriented to seal against an interior tubing surface, the expandable patch system further comprising a tubular patch, the tubular patch being radially expandable along the interior of the expansion rings to ensure a sealing engagement with the plurality of expansion rings; and
wherein the tubular patch is expanded during a subsequent run in into the well tubing after the plurality of expansion rings are engaged with the interior tubing surface.