US 11,746,620 B2
Injection valve, system and method
Nicholas Nudo, Houston, TX (US)
Assigned to BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US)
Filed by Nicholas Nudo, Houston, TX (US)
Filed on Jun. 24, 2021, as Appl. No. 17/357,079.
Prior Publication US 2022/0412187 A1, Dec. 29, 2022
Int. Cl. E21B 34/10 (2006.01); E21B 43/12 (2006.01)
CPC E21B 34/10 (2013.01) [E21B 43/12 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An injection valve comprising:
a housing having a port;
an insert movably disposed in the housing and having an opening having a lead orifice, the opening and lead orifice extending from an outside surface of the insert to an inside surface of the insert;
a seal and a diffuser disposed on the insert and in contact with the housing, the seal and diffusers being movable with the insert in the housing wherein the insert is movable between a fully closed position, and a number of part open positions, and a fully open position.