Multiple binder flow channels deliver molten alloy through a mold assembly to infiltrate powder reinforcement material in downhole tools.
A hybrid earth-boring bit merges rolling cutters with fixed blades to balance cutting aggressiveness and durability.
Hydraulic acceleration of solid material impactors fractures hard rock formations, increasing penetration rates and reducing drilling time.
Decoupled impact mechanism advances core bits into hard rock formations without transmitting damaging axial forces to the captured sample.
Partitioning polycrystalline diamond compact substrates relieves residual stresses, arresting crack propagation to prevent premature drilling failure.
A flexible member forms a basket to grip drill bits, eliminating the need for multiple specialized breaker plates.
Axially compressing a superabrasive cutting element between a base and enclosure enhances damage tolerance.
A piston-driven sleeve system radially extends cutting blades through a camming action for downhole milling operations.
A cutting element design uses an intermediate structure with protrusions and an adhesion layer to enhance bonding stiffness between the substrate and table.
A rust-resistant sheath isolates the flush housing from flushing medium, preventing corrosion on case-hardened steel front heads.
A modeling system predicts rock chip size and shape distributions to optimize drill bit geometry selection.
Dynamic modeling of adaptive drill bits predicts behavior under unseen loads, resolving accuracy versus complexity trade-offs.
A drill bit assembly uses a frustoconical surface to break tubular core samples into pieces for transport.
Segmenting the auger into a reusable shaft and specialized boring heads eliminates the need to carry multiple tools across varying soil types.
Incorporating carbon, glass, or ceramic fibers into diamond cutting matrices controls erosion rates and lubricity, preventing premature binder wear.