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US 12,529,309 B2Granted
Downhole rock mechanics characterisation tool, assembly and method
AssigneeENI S.p.A.
InventorsSilvia Haiz, Andrea Biondi, Mauro Favaretto
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Abstract
The present disclosure relates to the drilling of oil wells and more particularly to a testing tool, a testing assembly and method for use in measuring selected rock mechanics characteristics downhole.
Claims36
A downhole tool for performing downhole rock characterization tests on a test site of a formation, the downhole tool comprising:
- at least one surface preparation cutter;
- at least one testing cutter;
- at least one force sensor;
- at least one torque sensor,
- wherein the at least one surface preparation cutter is configured to remove debris from between the test site and the downhole tool so that the at least one testing cutter can engage the test site,
- wherein the at least one force sensor and the at least one torque sensor are configured to determine a force and a torque measurement at the at least one testing cutter, respectively.
3 more elements
Dependencies are inferred from the claim text.