Results 121 to 130 of about 4,389,832 (297)
Zuanjingye yu wanjingyeTo understand the new achievements of drilling fluid additives in China, this article reviews the recent development and application of drilling fluid additives, based on modified biomass materials, synthetic polymers, condensation reaction products ...
Zhonghua WANG
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Journal of Petroleum Exploration and Production Technology, 2018 Since almost all drilling problems directly or indirectly relate to drilling fluid, improvement in drilling fluid significantly enhances drilling operations. Drilling fluid contains base fluid, suspended solid particles and chemicals.
Rahmatallah Saboori +3 more
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Waveguide Photoactuators: Materials, Fabrication, and Applications
Advanced Robotics Research, EarlyView.Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi +4 more
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A Method of Evaluating Drilling Fluid’s Dynamic Adhesiveness
Zuanjingye yu wanjingyeMost of the traditional drilling fluid lubricity testers only consider the interaction between the interfaces of metals, and omit the effects of the adhesiveness between the drilling tools and drilling fluid, mud cakes and borehole walls on the lubricity
Lu WEN +5 more
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EURASIP Journal on Information Security, 2017 Information transmission is an important part of the wellbore trajectory automatic control system. Combined with the characteristics of the guided drilling system, drilling fluid pulse is selected as a tool for trajectory control.
Lin DeShu, Feng Ding
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Hybrid Continuum Robot Designs and Architectures for Healthcare Applications
Advanced Robotics Research, EarlyView.Hybrid continuum robots represent an emerging class of flexible manipulators that blend materials, structures, and actuation concepts from the established fields of soft and continuum robotics. This review introduces an accessible framework to distinguish key hybridization approaches, surveys current designs aimed at complex clinical applications, and ...
Burak Ozdemir +4 more
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LLM‐Integrated Human–Robot Interaction System for Microrobots
Advanced Robotics Research, EarlyView.This paper proposes an LLM‐based control framework for guiding microrobots using human natural language. This framework can convert the natural human speech into safe and executable command sets for reliable navigation in complex environments. The experimental results show high accuracy and robustness in task performance, demonstrating the potential of
Bairong Zhu, Amar Salehi, Tingting Yu
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Research on and Application of Near-Oil-Based Drilling Fluid System
Zuanjingye yu wanjingyeIn recent years many studies have been conducted on near-oil-based drilling fluids to overcome the problems encountered in using oil-based drilling fluids such as high formulation cost and difficulties in addressing the oily cutting treatment problem ...
Xiqiang SI, Zhonghua WANG
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Advanced Robotics Research, EarlyView.Micro‐ and nanorobots for targeted thrombolysis. This perspective elaborates on the clinical indication of blood clot disorders and current limitations for treatment. As a novel, alternative solution, micro‐ and nanorobots can be used to treat and break down thrombi.
Joshua M. Mesfin +3 more
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Drilling fluid technology for deep subsurface Tako-1 well
Zuanjingye yu wanjingyeThe drilling process of deep-earth Tako-1 well is confronted with a series of extreme conditions such as ultra-high temperature, ultra-high pressure and ultra-high salt. These complex conditions bring great challenges to drilling fluid technology. As the
Jinsheng SUN +3 more
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