US 11,860,623 B2
Depressurizing a branch pipe
Abdulaziz M. Al Otaibi, Dammam (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Dec. 8, 2020, as Appl. No. 17/115,342.
Application 17/115,342 is a continuation of application No. 16/405,031, filed on May 7, 2019, granted, now 10,877,494.
Prior Publication US 2021/0089060 A1, Mar. 25, 2021
Int. Cl. G05D 16/04 (2006.01); F16L 41/02 (2006.01); B01F 25/312 (2022.01)
CPC G05D 16/04 (2013.01) [F16L 41/021 (2013.01); B01F 25/312 (2022.01); B01F 25/31242 (2022.01); Y10T 137/87611 (2015.04); Y10T 137/87627 (2015.04)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
forming, with an ejector moving assembly disposed inside a first pipe, a connection between the first pipe and a second pipe fluidically coupled to the first pipe, the first pipe flowing a first fluid at a first pressure, the second pipe flowing a second fluid at a second pressure lower than the first pressure, the ejector moving assembly comprising an ejector comprising:
a nozzle that converges along a flow direction of the first fluid, and
a chamber downstream of and attached to the nozzle, the chamber fluidically coupled to the second pipe with the connection;
decreasing, with the ejector moving assembly and at the nozzle, a pressure of the first fluid to a third pressure lower than the second pressure to draw the second fluid from the second pipe into the chamber; and
moving the chamber with the nozzle with respect to the first pipe.