Cutting Element With Recess For Stacked Borehole Tool
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Solution Overview
Problem
Cutting tools used in downhole applications face inefficiencies due to randomly oriented cutting elements, which result in disparities in cutting angles and reduced tool life, as even precisely formed elements in multiple layers often maintain random orientations.
Innovation Solution
A cutting element design featuring two planes with edges and a support, allowing controlled stacking and attachment to form elongated cutting elements with consistent acute angles, enhancing orientation and attachment for improved cutting efficiency and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cutting elements are randomly oriented on the tool surface, then the tool can accommodate various material types, but the cutting efficiency and tool life are reduced due to disparities in cutting angles
Solution Approach 1:
The patent applies local quality by providing different orientations and cutting angles for different regions of the cutting tool. Each cutting element is positioned with specific angular relationships to the tool surface, allowing optimized cutting performance for different material types in different locations, thereby resolving the contradiction between versatility and cutting efficiency
2Stability of the object's composition
If cutting elements are randomly oriented in multiple layers, then the tool can maintain structural integrity, but the cutting performance deteriorates due to random angles in subsequent layers
Solution Approach 1:
The patent segments the cutting tool into multiple layers with distinct functional characteristics. Each layer is designed with specific cutting elements having controlled orientations, allowing the first layer to provide structural integrity while subsequent layers provide optimized cutting performance through their specific angular configurations
Solution Approach 2:
Different layers are assigned different cutting element orientations based on local requirements. The first layer maintains structural stability with its configuration, while subsequent layers adopt specific angular orientations optimized for cutting performance, resolving the contradiction between structural integrity and cutting performance
3Productivity
If precisely formed cutting elements are stacked in multiple layers with controlled orientation, then cutting efficiency improves, but the manufacturing complexity increases
Solution Approach 1:
The manufacturing process is segmented into distinct stages for forming individual cutting elements and then assembling them into layered configurations. This allows precise formation of each element followed by controlled stacking, reducing the overall manufacturing complexity while maintaining the benefits of multi-layer oriented structures
Solution Approach 2:
Individual cutting elements are pre-formed with their precise geometries and orientations before being assembled into the final multi-layer structure. This preliminary action simplifies the overall manufacturing process by breaking down the complex task of creating precisely oriented multi-layer structures into simpler, sequential steps
Data Source
AI summary
A cutting element includes a body having two planes, each of the two planes defining a plurality of edges, and a support extending from a first of the two planes. The support and the body are configured such that when at least one of the plurality of edges and the support are in contact with the planar surface, edges of the plurality of edges on a second of the two planes form cutting edges and the second of the two planes forms an acute angle with the planar surface. The second of the two planes of the cutting element has a recess formed therein sized and positioned to be receptive to a support of a second cutting element similar to the cutting element when the first of the two planes of the second cutting element is butted against the second of the two planes of the cutting element.