US 12,460,496 B2
Pressure transfer sleeve for top slip retention
Donald Ray Smith, Duncan, OK (US); Matthew Todd Howell, Houston, TX (US); and Kyle Wayne Davis, Carrollton, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Jul. 29, 2024, as Appl. No. 18/787,748.
Claims priority of provisional application 63/590,987, filed on Oct. 17, 2023.
Prior Publication US 2025/0122772 A1, Apr. 17, 2025
Int. Cl. E21B 23/06 (2006.01); E21B 33/128 (2006.01)
CPC E21B 23/06 (2013.01) [E21B 33/128 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An isolation device comprising:
a top slip;
a top slip prop in engagement with the top slip;
a bottom slip;
a bottom slip prop in engagement with the bottom slip;
a packer element positioned between the top slip prop and the bottom slip prop, wherein movement of the top slip prop and the bottom slip prop towards each other causes the packer element to expand outwardly;
an annular receptacle formed between an inner mandrel and the top slip prop;
a pressure transfer sleeve at least partially disposed within the annular receptacle,
a first ratchet portion positioned on an outer surface of the pressure transfer sleeve; and
a second ratchet portion positioned on an inner surface of the top slip prop which is sized to accept and en age with the first ratchet portion.