US 12,320,207 B2
Vibration mitigation tool
Souhail Bouaziz, Pearland, TX (US); Jonathan Getz, Spring, TX (US); and Chigozie Emuchay, Houston, TX (US)
Assigned to NATIONAL OILWELL VARCO, L.P., Houston, TX (US)
Filed by NATIONAL OILWELL VARCO, L.P., Houston, TX (US)
Filed on Feb. 6, 2023, as Appl. No. 18/164,981.
Prior Publication US 2024/0263527 A1, Aug. 8, 2024
Int. Cl. E21B 17/07 (2006.01)
CPC E21B 17/07 (2013.01) [E21B 17/073 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A vibration mitigation tool, comprising:
a mandrel portion; and
a sleeve portion arranged about the mandrel portion and configured to move longitudinally and rotationally relative to the mandrel portion;
wherein, the mandrel portion and the sleeve portion together form a lubrication chamber including a first portion configured for lubricating a helical engagement, a second portion in fluid communication with the first portion and for lubricating a biasing mechanism, and a third portion in fluid communication within the vibration mitigation tool with the first portion and the second portion and for interfacing with a pressure equalizing chamber.