US 12,078,031 B2
Deep gas lift
Jonathan Park, Tananger (NO)
Assigned to Schlumberger Technology Corporation, Sugar Land, TX (US)
Appl. No. 18/251,143
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
PCT Filed Oct. 29, 2021, PCT No. PCT/US2021/057377
§ 371(c)(1), (2) Date Apr. 28, 2023,
PCT Pub. No. WO2022/094292, PCT Pub. Date May 5, 2022.
Claims priority of provisional application 63/107,491, filed on Oct. 30, 2020.
Prior Publication US 2023/0407727 A1, Dec. 21, 2023
Int. Cl. E21B 33/12 (2006.01); E21B 41/00 (2006.01); E21B 43/12 (2006.01); E21B 43/14 (2006.01)
CPC E21B 41/0035 (2013.01) [E21B 43/122 (2013.01); E21B 43/14 (2013.01)] 17 Claims
OG exemplary drawing
 
12. A gas lift method comprising:
injecting a gas into a first portion of a first annulus uphole of a bypass packer and between a well casing and a main production tubing of a multilateral well, wherein the main production tubing is coupled to a first production tubing disposed in a first lateral leg and a second production tubing disposed in a second lateral leg; and
transferring the gas from the first portion of the first annulus into a first gas tube disposed in a second annulus between the first production tubing and the well casing and into a second gas tube disposed in a third annulus between the second production tubing and the well casing via a main gas tube in communication with the first portion of the first annulus and the first gas tube and the second gas tube, wherein a first portion of the main gas tube is disposed in the bypass packer and a second portion of the main gas tube is disposed in a second portion of the first annulus downhole of the bypass packer.