US 12,345,120 B2
Fast-acting swellable downhole seal
Stephen Michael Greci, Little Elm, TX (US); Michael Linley Fripp, Singapore (SG); and Brandon T. Least, Carrollton, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on May 10, 2022, as Appl. No. 17/741,039.
Prior Publication US 2023/0366289 A1, Nov. 16, 2023
Int. Cl. E21B 33/128 (2006.01); E21B 33/12 (2006.01)
CPC E21B 33/128 (2013.01) [E21B 33/1208 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A downhole sealing tool, comprising:
a tool mandrel for lowering into a wellbore;
a sealing element including a plurality of expandable metal wires supported along the tool mandrel, the expandable metal wires swells in response to exposure to an activation fluid, wherein each of the expandable metal wires are initially wound about the tool mandrel between a first collar and a second collar and the expandable metal wires have a length to diameter ratio of greater than 5 and the diameter is less than one quarter of an inch (6.4 mm) in a run-in-hole condition; and
an actuator moveable on the tool mandrel to increase a separation along at least a portion of the expandable metal wires.