3D numerical simulation study of rock breaking of the wavy PDC cutter and field verification

Z Zhang, D Zhao, Y Zhao, K Gao, C Zhang… - Journal of Petroleum …, 2021 - Elsevier
The structure of polycrystalline diamond compact (PDC) bits is a key factor in improving their
rock-breaking efficiency. To further study the rock-breaking mechanism of the wavy PDC …

Rock breakage and temperature variation of naturally worn PDC tooth during cutting of hard rock and soft rock

C Cai, P Zhang, S Xie, H Ren, C Zhang - Geoenergy Science and …, 2023 - Elsevier
Although experiments and simulations of new polycrystalline diamond compact (PDC) tooth
cutting have been conducted, the rock breakage and temperature variation of the worn PDC …

Effective mechanical specific energy: A new approach for evaluating PDC bit performance and cutters wear

AZ Mazen, N Rahmanian, IM Mujtaba… - Journal of Petroleum …, 2021 - Elsevier
Predicting the PDC bit performance during drilling operation is important for the cost
effectiveness of the operation. The majority of PDC bits are assessed based on their …

The performance and failure mechanism of drill bit in granite formation drilling

W Liu, K Deng, R Li, L Li, X Zhu, S Gong - Arabian Journal for Science and …, 2023 - Springer
As a new energy resource with great development potential, the exploitation of hot dry rock
geothermal resources is increasing around the world. However, the drilled formations, such …

Monitoring of drill bit wear using sound and vibration signals analysis recorded during rock drilling operations

H Kalhori, R Bagherpour, H Tudeshki - Modeling Earth Systems and …, 2024 - Springer
The drill bit has significant importance as a tool for breaking rocks in many industries such
as mining, petroleum, and civil engineering. Its durability and effectiveness directly impact …

Bit optimization method for rotary impact drilling based on specific energy model

S Deng, S Yang, Y Chi, Y Lei, H Peng, Y Zhang… - Journal of Petroleum …, 2022 - Elsevier
In the field application of oil and gas well drilling, it is found that the previous mechanical
specific energy (MSE) model cannot well monitor the data of rotary impact drilling, and there …

Friction and wear of polycrystalline diamond in oil drilling: a review

X Luo, R Gou - Fullerenes, Nanotubes and Carbon Nanostructures, 2024 - Taylor & Francis
In this paper, various aspects of polycrystalline diamond compact (PDC) preparation are
examined in depth for the purpose of assessing its wear resistance, evaluation method, and …

Research on cutter surface shapes and rock breaking efficiency under high well temperature

D Song, Z Ren, Y Yang, H Ren - Geoenergy Science and Engineering, 2023 - Elsevier
The cutter is the main cutting element for breaking rock, and the interaction laws between
the cutter with different surface shapes (abbreviated as cutter shapes) and rocks are …

Prediction of penetration rate for PDC bits using indices of rock drillability, cuttings removal, and bit wear

AZ Mazen, N Rahmanian, I Mujtaba… - SPE Drilling & …, 2021 - onepetro.org
Predicting rate of penetration (ROP) has gained considerable interest in the drilling industry
because it is the most-effective way to improve the efficiency of drilling and reduce the …

[HTML][HTML] Modeling and experimental research on temperature field of full-sized PDC bits in rock drilling and coring

K Gao, X Xu, S Jiao, Z Li - Energy Reports, 2022 - Elsevier
To study the effect of drilling rig working parameters and rock type on the temperature of the
polycrystalline diamond composite (PDC) bit, an analytical temperature calculation model …