US 12,129,748 B1
Electrical submersible pump Y-tool with permanent coiled tubing plug and millable ball valve
Abdulkareem K. Alnafea, Dammam (SA); Eyad O. Alshanqeety, Khobar (SA); and Alaa Shawly, Hawtah (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Apr. 5, 2023, as Appl. No. 18/296,315.
Int. Cl. E21B 43/12 (2006.01); E21B 23/00 (2006.01); E21B 33/126 (2006.01); E21B 34/06 (2006.01)
CPC E21B 43/128 (2013.01) [E21B 23/00 (2013.01); E21B 33/126 (2013.01); E21B 34/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A Y-tool apparatus for conducting intervention operations in a wellbore, the Y-tool apparatus comprising:
a junction including a production conduit and a bypass conduit, the production conduit and the bypass conduit converging into an upper conduit within the junction;
an electrical submersible pump (ESP) fluidly coupled to the production conduit in a production branch of the Y-tool apparatus;
a bypass passage fluidly coupled to the bypass conduit and extending through a bypass branch of the Y-tool apparatus;
a closure valve disposed in the bypass passage and selectively operable to move between a closed configuration, wherein flow through the bypass passage is obstructed, and an open configuration, wherein flow through the bypass passage is unobstructed; and
a dynamic seal provided in the bypass passage and selectively operable to form a seal with a tubing string passing through the bypass passage.