US 12,234,697 B2
Lock mechanism for bit run tool and replaceable blades
Jan Siwak, Warsaw (PL); Philip Potter, Houston, TX (US); and Callum Frieslick, Aberdeen (GB)
Assigned to Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed by Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed on Oct. 10, 2022, as Appl. No. 17/963,000.
Claims priority of provisional application 63/254,783, filed on Oct. 12, 2021.
Prior Publication US 2023/0116845 A1, Apr. 13, 2023
Int. Cl. E21B 23/02 (2006.01)
CPC E21B 23/02 (2013.01) 20 Claims
OG exemplary drawing
 
14. A method for downhole operations, comprising:
providing a tool body comprising an interfacing profile; and
providing a tool assembly comprising an outer tool profile and an inner matching profile;
enabling the inner matching profile to be associated with the interfacing profile to allow axial sliding of the tool assembly against the tool body for a first lock of the tool assembly to the tool body, wherein the axial sliding is along a longitudinal axis of a wellbore that is subject to the downhole operations; and
enabling a second lock at a first shoulder-surface interface between the tool assembly and the tool body, wherein the tool assembly is to be changeably associated with the tool body for use in the downhole operations.