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US 12,747,662 B2Granted
System and method for untethered multifinger imaging of a wellbore inner wall
AssigneeSaudi Arabian Oil Company
InventorMohamed Larbi Zeghlache
Life of this patent
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AssigneeSaudi Arabian Oil Company
InventorMohamed Larbi Zeghlache
Estimating the term…
An untethered caliper tool for measuring a diameter of a conduit having a wall and a fluid, the untethered caliper tool includes one or more fingers connected to a body and configured to extend or retract about an axis of the body. A control system is located within the body, having automation capabilities, configured to track movement of the one or more fingers caused by the wall of the conduit, and configured to determine the diameter of the conduit based on the movement of the one or more fingers. A buoyancy device is connected to the body. A weight is detachably connected to the body. The weight is configured to allow the body to descend through the fluid in the conduit and the buoyancy device is configured to allow the body to ascend through the fluid in the conduit when the weight is removed from the body.
An untethered caliper tool for measuring a diameter of a conduit having a wall and a fluid, the untethered caliper tool comprising:
A method for measuring a diameter of a conduit having a wall and a fluid, the method comprising:
Dependencies are inferred from the claim text.