US 12,018,545 B2
Single slip frac tool
Xiaoguang Allan Zhong, Singapore (SG); Shobeir Pirayeh Gar, Carrollton, TX (US); and Daniel Keith Moeller, Carrolton, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Dec. 29, 2021, as Appl. No. 17/565,199.
Prior Publication US 2023/0203912 A1, Jun. 29, 2023
Int. Cl. E21B 33/129 (2006.01); E21B 33/128 (2006.01)
CPC E21B 33/129 (2013.01) [E21B 33/128 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A frac plug defining a central passage therethrough and movable from an unset to a set position in a well casing comprising:
a bottom shoe;
a single slip ring assembly supported by the bottom shoe;
a slip wedge positioned in slidable relationship to the single slip ring assembly;
a sealing element supported by the slip wedge and expandable radially outwardly to seal against the well in the set position of the frac plug;
a ball seat movable axially relative to the sealing element and engageable with the sealing element to move the sealing element from the unset to the set position; and
a scored backup shoe fixed to an upper end of the sealing element, the scored backup shoe engaging the well casing in the set position of the frac plug.