Search Results - "Lu, Junqiang"

Experimental Study on the Azimuthal-Transmitting Transducer of Acoustic Logging by Lu, Junqiang, Men, Baiyong, Che, Xiaohua

“…Azimuthal acoustic logging can survey the downhole formation more accurately, and the acoustic source is the crucial component of the downhole acoustic logging…”
Get full text

Electrical Interference Simulation and Prediction Model for Acoustoelectric Logging Detector by Chen, Hongzhi, Lu, Junqiang, Ju, Xiaodong, Men, Baiyong, Qiao, Wenxiao

“…Acoustic logging instruments generate high voltages in the order of thousands of volts. Electrical interferences are thus induced by high-voltage pulses that…”
Get full text

Erosion-wear and intergranular corrosion resistance properties of AISI 304L austenitic stainless steel after low-temperature plasma nitriding by Qin, Xujuan, Guo, Xianglong, Lu, Junqiang, Chen, Liangyu, Qin, Jining, Lu, Weijie

“…In this paper, AISI 304L austenitic stainless steel has been subjected to plasma nitriding at 673 and 681 K lasted for 6, 18, 24, and 36 h. The morphology,…”
Get full text

Design of a New Seismoelectric Logging Instrument by Zhang, Liangchen, Ju, Xiaodong, Lu, Junqiang, Men, Baiyong, He, Weiliang

“…To increase the accuracy of reservoir evaluation, a new type of seismoelectric logging instrument was designed. The designed tool comprises the invented…”
Get full text

Physical Simulation of Ultrasonic Imaging Logging Response by Lu, Junqiang, Han, Jiyong, Wu, Jinping, Che, Xiaohua, Qiao, Wenxiao, Wang, Jiale, Chen, Xu

“…Ultrasonic imaging logging can visually identify the location, shape, dip angle and orientation of fractures and holes. The method has not been effectively…”
Get full text

Acoustic Emission and Echo Signal Compensation Techniques Applied to an Ultrasonic Logging-While-Drilling Caliper by Yao, Yongchao, Ju, Xiaodong, Lu, Junqiang, Men, Baiyong

“…A logging-while-drilling (LWD) caliper is a tool used for the real-time measurement of a borehole diameter in oil drilling engineering. This study introduces…”
Get full text

Intelligent Fault-Diagnosis System for Acoustic Logging Tool Based on Multi-Technology Fusion by Hao, Xiaolong, Ju, Xiaodong, Lu, Junqiang, Men, Baiyong, Zhou, Jing

“…To improve the performance of acoustic logging tool in detecting three-dimensional formation, larger and more complicated transducer arrays have been used,…”
Get full text

Effect of microstructure on corrosion behavior of a Zr–Sn–Nb–Fe–Cu–O alloy by Chen, Liangyu, Zeng, Qifeng, Li, Jiuxiao, Lu, Junqiang, Zhang, Yao, Zhang, Lai-Chang, Qin, Xujuan, Lu, Weijie, Zhang, Lefu, Wang, Liqiang, Zhang, Di

“…This work investigates the effect of microstructure on tensile properties and corrosion behavior of a Zr–Sn–Nb–Fe–Cu–O alloy. Scanning electron microscope,…”
Get full text

Real-Time Method and Implementation of Head-Wave Extraction for Ultrasonic Imaging While Drilling by Zhang, Liangchen, Lu, Junqiang, Wu, Jinping, Men, Baiyong, Xie, Chao, Zong, Yanbo, Yang, Shubo, Ni, Weining

“…Extracting head waves and subsequently uploading their results from the downhole to the surface system in real time could improve the real-time guidance of…”
Get full text

Mechanical Metamaterials for Handwritten Digits Recognition by Wu, Lingling, Lu, Yuyang, Li, Penghui, Wang, Yong, Xue, Jiacheng, Tian, Xiaoyong, Ge, Shenhao, Li, Xiaowen, Zhai, Zirui, Lu, Junqiang, Lu, Xiaoli, Li, Dichen, Jiang, Hanqing

“…The increasing needs for new types of computing lie in the requirements in harsh environments. In this study, the successful development of a non‐electrical…”
Get full text

Mesocarbon microbead densified matrix graphite A3-3 for fuel elements in molten salt reactors by Wang, Haoran, Xu, Liujun, Zhong, Yajuan, Li, Xiaoyun, Tang, Hui, Zhang, Feng, Yang, Xu, Lin, Jun, Zhu, Zhiyong, You, Yan, Lu, Junqiang, Zhu, Libing

“…This study aims to provide microstructural characterization for the matrix graphite which molten salt reactors (MSRs) use, and improve resistance to molten…”
Get full text

A synchronous serial bus for multidimensional array acoustic logging tool by Men, Baiyong, Ju, Xiaodong, Lu, Junqiang, Qiao, Wenxiao

“…In high-temperature and spatial borehole applications, a distributed structure is employed in a multidimensional array acoustic logging tool (MDALT) based on a…”
Get full text

An acousto-electric effect logging detector in boreholes by Lu, Junqiang, Ju, Xiaodong, Men, Baiyong, Zhao, Honglin, Qiao, Wenxiao, Duan, Wenxing

“…An acousto-electric effect logging detector in boreholes is introduced. The detector can measure the first and second type of acousto-electric effect in the…”
Get full text

Superplasticity of coarse-grained (TiB + TiC)/Ti–6Al–4V composite by Lu, Junqiang, Qin, Jining, Chen, Yifei, Zhang, Zhiwei, Lu, Weijie, Zhang, Di

“…Superplastic deformation of coarse-grained (TiB + TiC)/Ti–6Al–4V composite was carried out at 840–980 °C and 10 −4 to 10 −2 s −1 in comparison with that of…”
Get full text

In situ preparation of (TiB + TiC + Nd 2O 3)/Ti composites by powder metallurgy by Lu, Junqiang, Qin, Jining, Lu, Weijie, Liu, Yang, Gu, Jiajun, Zhang, Di

“…Titanium matrix composites reinforced with multiple ceramic particulates TiB, TiC and Nd 2O 3 were prepared by powder metallurgy utilizing the chemical…”
Get full text

Superplastic deformation of hydrogenated Ti–6Al–4V alloys by Lu, Junqiang, Qin, Jining, Lu, Weijie, Chen, Yifei, Zhang, Zhiwei, Zhang, Di, Hou, Hongliang

“…Superplastic deformation behavior of hydrogenated Ti–6Al–4V alloys was investigated at an extensive hydrogen concentration. The superplastic elongation was…”
Get full text

Hot deformation behavior and microstructure evaluation of hydrogenated Ti-6Al-4V matrix composite by Lu, Junqiang, Qin, Jining, Lu, Weijie, Chen, Yifei, Zhang, Di, Hou, Hongliang

“…Ti-6Al-4V matrix composite reinforced with TiB and TiC particulates was prepared and hydrogenated. Isothermal compression tests were carried out at the…”
Get full text

An ARM-based debugging system for multi-pole array acoustic logging tools by Lu, Junqiang, Ju, Xiaodong, Men, Baiyong

“…This paper presents a debugging system for multi-pole array acoustic logging (MPAL) tools. The debugging system proposed in this study can debug the MPAL tool…”
Get full text

Reliable data storage system design and implementation for acoustic logging while drilling by Hao, Xiaolong, Ju, Xiaodong, Wu, Xiling, Lu, Junqiang, Men, Baiyong, Yao, Yongchao, Liu, Dong

“…Owing to the limitations of real-time transmission, reliable downhole data storage and fast ground reading have become key technologies in developing tools for…”
Get full text

Test-bench system for a borehole azimuthal acoustic reflection imaging logging tool by Liu, Xianping, Ju, Xiaodong, Qiao, Wenxiao, Lu, Junqiang, Men, Baiyong, Liu, Dong

“…The borehole azimuthal acoustic reflection imaging logging tool (BAAR) is a new generation of imaging logging tool, which is able to investigate stratums in a…”
Get full text