Results 41 to 50 of about 4,689,593 (329)

Real-Time Measurement of Drilling Fluid Rheological Properties: A Review

Sensors, 2021
The accurate and frequent measurement of the drilling fluid’s rheological properties is essential for proper hydraulic management. It is also important for intelligent drilling, providing drilling fluid data to establish the optimization model of the ...
Naipeng Liu, Di Zhang, Hui Gao, Yule Hu, Longchen Duan   +4 more
doaj   +1 more source

Drill Bit Selection and Drilling Parameter Optimization using Machine Learning

IOP Conference Series: Earth and Environment, 2023
Machine Learning (ML) Algorithms have demonstrated their tremendous application in optimizing and enhancing the performance of various complex operations in the field of science and technology.
A. Nautiyal, A. K. Mishra
semanticscholar   +1 more source

Fatigue evaluation in maintenance and assembly operations by digital human simulation [PDF]

, 2010
Virtual human techniques have been used a lot in industrial design in order to consider human factors and ergonomics as early as possible. The physical status (the physical capacity of virtual human) has been mostly treated as invariable in the current ...
A Garg, A Hill, A Ren, AR Tilley, B Witmer, Bo Hu, D Anderson, D Chaffin, D Chaffin, D Roman-Liu, D Wood, Damien Chablat, DB Chaffin, Fouad Bennis, François Guillaume, G Chryssolouris, G Li, H Bubb, H Hou, H Iridiastadi, H Sato, I Ben-Gal, J Ding, J Fuller, J Liu, J Ritchie, J Yang, K El ahrache, K El ahrache, L Ma, Liang Ma, M Damsgaard, NI Badler, P Chedmail, S Mathiassen, T Komura, T Xia, W Khalil, W Rohmert, Wei Zhang, Y Arzi, Y Chen, Y Giat   +42 more
core   +5 more sources

Experimental research into the effect of some operation factors and rock properties on the rate of penetration [PDF]

, 2020
Purpose. The purpose of this research is to investigate the effect of weight on bit (WOB), rotary speed (RPM), and some rock properties on the rate of penetration (ROP). Methods.
Ali, Mahrous A.M., Boghdady, Gamal Y., Mohamed, Ahmed S., Sayed, Mohamed A., Yassien, Mohamed A.   +4 more
core   +1 more source

Sequence Mining and Pattern Analysis in Drilling Reports with Deep Natural Language Processing

, 2017
Drilling activities in the oil and gas industry have been reported over decades for thousands of wells on a daily basis, yet the analysis of this text at large-scale for information retrieval, sequence mining, and pattern analysis is very challenging ...
Hoffimann, Júlio, Mao, Youli, Taylor, Aimee, Wesley, Avinash   +3 more
core   +1 more source

Control of welding residual stress for dissimilar laser welded materials [PDF]

, 2008
The most common problem of welding dissimilar metals (DMWs) with respect to residual stresses is the differences in the coefficient of thermal expansion and heat conductivity of the two welded metals.
A.G. Olabi, Anawa, Anawa, Anawa, Dawes, E.M. Anawa, Juang, Lu, Masabutchi, Mochizuki, Nickola, Schajer, Sun, Sun, Tarng, Viotti   +15 more
core   +1 more source

A Review on Drilling of Multilayer Fiber-Reinforced Polymer Composites and Aluminum Stacks: Optimization of Strategies for Improving the Drilling Performance of Aerospace Assemblies

Fibers, 2022
In recent years, the use of hybrid composite stacks, particularly CFRP/Al assemblies, and fiber metal laminates (FMLs) has progressively become a convincing alternative to fiber-reinforced polymers (FRPs) and conventional metal alloys to meet the ...
G. Franz, P. Vantomme, M. H. Hassan
semanticscholar   +1 more source

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

Advanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur, Faruk Kaya, Bora Derin, Mustafa Lütfi Öveçoğlu, Ju Li, Duygu Ağaoğulları   +5 more
wiley   +1 more source

Research on Wellbore Trajectory Optimization and Drilling Control Based on the TD3 Algorithm

Applied Sciences
In modern oil and gas exploration and development, wellbore trajectory optimization and control is the key technology to improve drilling efficiency, reduce costs, and ensure safety.
Haipeng Gu, Yang Wu, Xiaowei Li, Zhaokai Hou   +3 more
doaj   +1 more source

Composite Electrospun Fibers Containing Optimized B‐ and Cu‐Doped Bioactive Glass Sol‐Gel Particles for Potential Soft Tissue Engineering Applications

Advanced Engineering Materials, EarlyView.
This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti, Marta Miola, Liliana Liverani, Paolo Sartori, Enrica Verné, Aldo R. Boccaccini   +5 more
wiley   +1 more source