PDC cutter with depressed feature
First Claim
Patent Images
1. A cutting element, comprising:
- a table coupled to a substrate at an interface, the table comprising;
a working surface opposite the interface and defined by a perimeter;
a torque transmittable depression formed in the working surface of the table;
a removable plug partially filling the torque transmittable depression; and
a sensor disposed in a gap formed between the removable plug and the torque transmittable depression.
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Abstract
A cutting element includes a table coupled to a substrate at an interface. The table includes a working surface opposite the interface and defined by a perimeter, a table thickness measured between the interface and the working surface, and a torque transmittable depression formed in the working surface of the table a distance away from the perimeter. The torque transmittable depression extends a depth into the table and has a cross-sectional profile with a torque transmittable shape. The depth of the depression may be greater than the thickness of the table, or an optional sensor may be placed in the depression.
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Citations
20 Claims
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1. A cutting element, comprising:
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a table coupled to a substrate at an interface, the table comprising; a working surface opposite the interface and defined by a perimeter; a torque transmittable depression formed in the working surface of the table; a removable plug partially filling the torque transmittable depression; and a sensor disposed in a gap formed between the removable plug and the torque transmittable depression. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A cutting element, comprising:
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a substrate; a table coupled to the substrate at an interface, a table thickness being measured between the interface and a working surface opposite the interface and defined by a perimeter; and at least one torque transmittable depression formed in the working surface of the table and extending a depth into the table, wherein the at least one torque transmittable depression has a cross-sectional profile that is constant along its depth. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A cutting element, comprising:
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a substrate; a table coupled to the substrate at an interface, a table thickness being measured between the interface and a working surface opposite the interface and defined by a perimeter; and at least one torque transmittable depression formed in the working surface of the table and extending a depth into the table; wherein the at least one torque transmittable depression is interior to and a distance apart from the perimeter; and wherein a cutting edge formed around the perimeter has a constant curvature around the entire arc length of the perimeter. - View Dependent Claims (18, 19, 20)
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Specification