US 12,071,832 B2
Safety valve
Sylvain Garsault, Antony (FR); and Hy Phan, Houston, TX (US)
Assigned to Schlumberger Technology Corporation, Sugar Land, TX (US)
Appl. No. 17/904,657
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
PCT Filed Feb. 24, 2021, PCT No. PCT/US2021/019366
§ 371(c)(1), (2) Date Aug. 19, 2022,
PCT Pub. No. WO2021/173633, PCT Pub. Date Sep. 2, 2021.
Claims priority of provisional application 62/980,839, filed on Feb. 24, 2020.
Prior Publication US 2023/0151714 A1, May 18, 2023
Int. Cl. E21B 47/12 (2012.01); E21B 34/06 (2006.01)
CPC E21B 34/066 (2013.01) [E21B 47/12 (2013.01); E21B 2200/05 (2020.05)] 18 Claims
OG exemplary drawing
 
15. A method of intervention for a well completion, the method comprising:
deploying a workstring within a first tubing of the well completion, the well completion comprising an electric safety valve and a female inductive coupler positioned along the first tubing, and the workstring comprising an intervention male inductive coupler, a contingency electric safety valve, and a wire extending between and connecting the intervention male inductive coupler and the contingency electric safety valve;
positioning the workstring within the first tubing such that the intervention male inductive coupler is aligned with the female inductive coupler;
transferring power to the contingency electric safety valve via the wire; and
transferring telemetry to and from the contingency electric safety valve via the wire.