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US 2020/0003016 A1Published application
Gripper assembly for continuous rod
AssigneeWeatherford Technology Holdings, LLC
InventorHermann BASLER
Life of this patent
Estimating the term…
Abstract
The present disclosure relates to a gripper assembly for handling continuous rod. The gripper assembly may include a gripper face with a gripper profile forming a surface in the gripper face and a texture on a portion of the surface. The texture has a plurality of ridges having a yield strength sufficient to transfer a shear force to the gripper assembly at least as large as a weight of a continuous rod.
Claims21
-20. (canceled)
A gripper assembly for handling continuous rod, comprising:
- a housing;
- and
- a plurality of gripper bars rotatably disposed in the housing, each gripper bar having a gripper face defining a gripper bar profile, the gripper bar profiles collectively defining a gripper profile, wherein:
- rotation of at least one of the plurality of gripper bars changes the collectively defined gripper profile.
1 more element
A method of handling a rod string, the method comprising:
- rotating at least one gripper bar of a gripper assembly to define a gripper profile for engaging an outer surface of a rod of the rod string;
- engaging the outer surface of the rod with the gripper profile;
- and
- supporting at least a portion of a weight of the rod string using the gripper assembly while the gripper profile engages the outer surface of the rod.
1 more element
Dependencies are inferred from the claim text.