US 11,808,120 B2
Gas lift barrier
Brian Kennedy, Sugar Land, TX (US)
Assigned to Shale Oil Tools, LLC, Rosenberg, TX (US)
Filed by Shale Oil Tools, LLC, Rosenberg, TX (US)
Filed on Sep. 10, 2020, as Appl. No. 17/017,433.
Claims priority of provisional application 62/898,694, filed on Sep. 11, 2019.
Prior Publication US 2021/0071507 A1, Mar. 11, 2021
Int. Cl. E21B 43/12 (2006.01); E21B 34/06 (2006.01); E21B 23/03 (2006.01)
CPC E21B 43/123 (2013.01) [E21B 34/063 (2013.01); E21B 23/03 (2013.01); E21B 2200/08 (2020.05)] 4 Claims
OG exemplary drawing
 
1. A gas lift system comprising:
a mandrel having a first port and a lug, wherein the lug has a bore,
a gas lift valve having a second port,
wherein the first port, the bore, the gas lift valve, and the second port provide a flow path between an exterior of the mandrel and an interior of the mandrel,
a dissolvable shroud having a first o-ring, a second o-ring, and sufficient structural strength to withstand pressure exerted by a fluid against the shroud, and a throughbore,
wherein the dissolvable shroud is placed upon the gas lift valve such that the gas lift valve extends into the throughbore of the dissolvable shroud such that the first o-ring, the second o-ring, and the shroud block the flowpath through the second port.