US 12,410,670 B2
Knock-off plug, method, and system
James Scott Trahan, Magnolia, TX (US); and Tuan Nguyen, Pearland, TX (US)
Filed by Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed on Nov. 15, 2023, as Appl. No. 18/510,142.
Prior Publication US 2025/0154842 A1, May 15, 2025
Int. Cl. E21B 29/06 (2006.01); E21B 23/00 (2006.01); E21B 23/01 (2006.01)
CPC E21B 29/06 (2013.01) [E21B 23/00 (2013.01); E21B 23/01 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A knock-off plug configured for connection to a mill, comprising:
a body having a body section and a pathway section, the body defining a fluid pathway therein and configured for connection to a fluid conduit;
a plate disposed in the fluid pathway;
a port fluidly connecting the fluid pathway to a space radially outwardly of the plug, the port being adjacent the plate;
an inlet fluidically connected to the fluid pathway upstream of the plate and extending to
a tortuous pathway;
an outlet fluidically connects to the tortuous pathway and disposed on an opposite side of the plate from the inlet, the pathway section including the tortuous pathway being separated from the body section during knock off.