US 12,326,043 B1
Hydrolock nozzle
Kevin C. Clark, Conroe, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Jan. 30, 2024, as Appl. No. 18/427,507.
Int. Cl. E21B 10/18 (2006.01); E21B 10/60 (2006.01); E21B 10/61 (2006.01); E21B 33/12 (2006.01); E21B 41/00 (2006.01)
CPC E21B 10/18 (2013.01) [E21B 10/60 (2013.01); E21B 10/61 (2013.01); E21B 41/0078 (2013.01); E21B 33/1208 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A downhole nozzle insert, comprising:
a first annular body portion having a first radially outer sealing surface configured to be sealed against a first inner surface of a nozzle bore of a downhole drill bit via a first seal feature;
a second annular body portion having a second radially outer sealing surface configured to be sealed against a second inner surface of the nozzle bore via a second seal feature, wherein a pressure chamber is formed between the first seal feature and the second seal feature to provide a retaining force on the first annular body portion and/or the second annular body portion; and
an annular threaded body portion having threading configured to interface with corresponding threading of the nozzle bore to secure at least the annular threaded body portion within the nozzle bore.