Rock macro-indentation plays a fundamental role in mechanical rock breaking for various
rock engineering application, such as drilling, tunneling, cutting, and sawing. Over the past …

Mineral cutting and breaking is the first step in deep-sea mining. To investigate the effects of
hydrostatic pressure on the rock cutting process, this study analyzed cutting force, specific …

The surface geometry of polycrystalline diamond compact (PDC) cutters has a considerable
influence on their rock-cutting mechanism. In the study reported here, to study the …

To solve the problems of high vibration, low lifespan, and frequent replacement of diamond
thrust bearings, the tribological behavior and friction mechanism of cobalt-removed and …

The rational structural design of polycrystalline diamond compact (PDC) cutters effectively
enhances the performance of drill bits in rock fragmentation and extends their service life …

Two-stage PDC (Polycrystalline diamond compact) bit is a special drilling bit consisting of a
small-diameter pilot and a large-diameter reamer. The unique rock-breaking structure is …

As oil production increasingly transitions from shallow to deep formation, the need for
efficient PDC cutters to drill through deep hard rock becomes paramount. Currently, there is …

To more accurately simulate the interaction between a polycrystalline diamond compact
(PDC) cutter and rock, the structural characteristics of basalt were analysed using computed …

This paper presents a numerical investigation into the effects of pre-induced cracks on
polycrystalline diamond compact (PDC) rock drilling processes under varying pressure …

Drilling into deep formation characterized by high formation and hydrostatic pressures often
brings great challenges to oil and gas industry and the phenomena, such as bit slip, balling …