Optimization of Hydraulic Structure of Rotary Cutting PDC Bit
Shiyou jixie, 2020 Few researches have been conducted on the hydraulic structure optimization design of rotary cutting PDC bit. Standard k-ε model and discrete phase model (DPM) are used to simulate the bottom hole flow field of rotary cutting PDC bit and optimize the ...
Cao Yang, Zhang Boyu
doaj
Sedimentology, Volume 73, Issue 5, Page 1331-1351, August 2026.ABSTRACT Subaerial Pyroclastic Density Currents (PDCs) and Subaqueous Eruption‐Fed Density Currents (SEFDCs) produced during volcanic eruptions can present major hazards to surrounding communities and ecosystems. The bedforms deposited by these volcanic density currents can provide insights into the nature of transport and depositional processes, which
Shannon E. Frey +2 more
wiley +1 more source
Experimental Study on High-Pressure Water Jet Assisted Conical PDC Cutter Breaking of Granite
Shiyou jixieDeep rocks are hard to abrade and drill,with complex geological conditions for operations.High-pressure water jet assisted drilling technology can effectively extend the service life of drill bits and improve the drilling efficiency in such deep ...
Wang Dayong +6 more
doaj
DEVELOPMENT OF PROCEDURE AND DEVICE FOR ABRASION TEST OF PDC CUTTERS
Petroleum EngineeringThe article is devoted to the development and implementation of innovative approaches in the field of quality assurance of components for diamond drill bits, in particular PDC (Polycrystalline Diamond Compact) cutters. The present study is aimed at analyzing the wear mechanisms of PDC cutters and developing a technique and device for their quantitative
V.A. Kolibasov +3 more
openaire +1 more source
Evaluation on cutting performance of novel PDC cutter for pipe jacking machine
Underground SpaceIt is inevitable to cut reinforced concrete (RC) appeared in cross passage of city metro by cutting tools when constructing in densely populated area. The previous cutters employed to cut RC are insufficient and easily damaged, so a new polycrystalline ...
Long-Chuan Deng +5 more
doaj +1 more source
Geometric Evolvement, Simulation, and Test of a Bionic Lateral PDC Reamer Bit Inspired by Capra sibirica Horn. [PDF]
Appl Bionics Biomech, 2022 Chen C, Yan J, Zou Y, Luo H.
europepmc +1 more source
Influence mechanism of polycrystalline diamond compact bit temperature rise based on thermo-fluid-solid coupling. [PDF]
Sci Prog, 2023 Han X, Xue L, Xu J.
europepmc +1 more source
Test and Numerical Simulation Analysis of Vertical Wheel Assisted Drilling Unit
Shiyou jixieIn difficult-to-drill deep formations,PDC bits struggle to penetrate and have low rock-breaking efficiency,and provide poor bit azimuth stability in steering drilling.This paper presents a PDC bit with a wheel and axle integrated vertical wheel cutting ...
Yang Yan +5 more
doaj
Simulation Study on the Drilling of PDC Bit at Compound Drilling Condition
Shiyou jixie, 2016 The forces on the PDC bit at the bottomhole could impact the PDC bit drilling efficiency and cutter wear.The cutter-rock interactions could be more complex in compound drilling mode.A new PDC bit drilling simulation method for compound drilling based on ...
Zheng Jiawei +5 more
doaj
Investigation of the cutting process in sandstones with blunt PDC cutters
, 2019 The forces acting on the tools when cutting rock are not only important for the design of the cutters but also because they can be utilized to characterize the rock being cut. To understand these forces, it is necessary to have a good insight into the mechanisms that govern the failure of the rock.
openaire +2 more sources