Results 111 to 120 of about 47,748 (185)

Rake angle optimization for balanced efficiency and durability in PDC cutter cutting granite interaction via infrared thermal dynamics and fragmentation mechanism. [PDF]

Sci Rep
He X, Zheng B, Luo Z, Hu P, Yang Y, Yin G.   +5 more
europepmc   +1 more source

Numerical and experimental investigations on the rock-cutting mechanism of cylindrical PDC cutters and the influence of key parameters on cutting efficiency. [PDF]

Sci Rep
Xue D, Liao X, Zhang H, Wu H.
europepmc   +1 more source

Experimental study on shale-breaking of special-shaped cutter PDC bit

To enhance the drilling efficiency and extend the service life of PDC (Polycrystalline Diamond Composite) bits in shale formations, this study delves into the rock-breaking mechanisms of special-shaped cutters through a comprehensive experimental ...
Chunliang Zhang, Zhaofeng Zhang, Xin Yang, Dongdong Song, Hua Luo, Yong Ma, Zhaoliang Zhu, Xiaohua Ke   +7 more
core   +1 more source

Effect of metal content on microstructure and mechanical properties of PDC cutter

Jin'gangshi yu moliao moju gongcheng
ObjectivesAt present, China's oil and gas exploration and development are gradually advancing towards deep and ultra-deep well fields, which have the characteristics of high environmental temperature, high rock strength, and complex formations. Therefore,
LUAN Zhixing, WANG Deliang, LI Chengjun, YANG Huanlong, LIU Song, HUANG Jie, LI Fengjiao, LIU Wei   +7 more
doaj  

Rotary cutting tests and rock-breaking characteristics of triple-ridged PDC cutters in tight hard sandstones from Xujiahe Formation in Sichuan Basin in China. [PDF]

Sci Rep
He W, Li X, Zhang Z, Shi H, Chen H, Ma Q, Huang Z, Xiong C, Dong J, Li Y.   +9 more
europepmc   +1 more source

Study on the limestone fracturing characteristics of PDC cutters in high-temperature environments. [PDF]

Sci Prog
Liu T, Ren X, Ren S, Zhang C, Ren H.
europepmc   +1 more source

Analysis of Thermal Accumulation Characteristics of PDC Cutter in Rock Cutting with Auxiliary Impact of Roller Cone Cutter

: To investigate the thermal accumulation characteristics and rock-breaking mechanisms of PDC-roller cone composite bits in complex formations, a thermomechanically coupled numerical model for PDC cutter rock breaking under auxiliary ...
Kai Yang, Wenhao He, Chao Liu, Huaizhong Shi, Chao Xiong, Qijun Ma, Xinlong Li   +6 more
core   +1 more source

Analysis on Fluid-Solid-Thermal Coupling Field in Rock Breaking Under Composite Impact Loads Based on Simulation Model

Shiyou jixie
In order to reveal the rock-breaking mechanism of full-size PDC bit under composite impact loads,from the perspective of temperature,a simulation model of fluid-solid-thermal coupling in rock breaking of PDC bit under composite impact loads was built ...
Cao Jifei, Zou Deyong, Li Cheng, Wang Hanxiang, Che Jiaqi, Zhang Weiqiang, Huang Zhe   +6 more
doaj  

Research on the type and expansion mechanism of internal cracks in rocks under the action of PDC. [PDF]

Sci Rep
Liang Y, Du B, Ren J, Feng S.
europepmc   +1 more source

A three-dimensional nonlinear finite element model for coupled vibration analysis of rotary steerable systems. [PDF]

Sci Rep
Shao K, Liu Y, Wang H, Xiao L, Zhou Z, Jia Z, Sun Q.   +6 more
europepmc   +1 more source