Results 91 to 100 of about 118,861 (336)

Anti-collapse mechanism of CBM fuzzy-ball drilling fluid

Natural Gas Industry B, 2016
Although fuzzy-ball drilling fluid has been successfully applied in CBM well drilling, it is necessary to study its anti-collapse mechanism so that adjustable coalbed sealing effects, controllable sealing strength, rational sealing cost and controllable ...
Lihui Zheng, Biwu Chen, Zheng Zhang, Jidan Tang, Hao Sun   +4 more
doaj   +1 more source

Scaling‐Up of Structural Superlubricity: Challenges and Opportunities

Advanced Functional Materials, EarlyView.
At increasing length‐scales, structural superlubricity (SSL) faces challenges from physical and chemical energy dissipation pathways. This study reviews recent experimental and theoretical progress on these challenges facing the scaling‐up of SSL, as well as perspectives on future directions for realizing and manipulating macroscale superlubricity ...
Penghua Ying, Xiang Gao, Diana Berman, Oded Hod, Michael Urbakh   +4 more
wiley   +1 more source

Assessment of the Biogenic Souring in Oil Reservoirs under Secondary and Tertiary Oil Recovery

Energies
The formation of hydrogen sulfide (H2S) in petroleum reservoirs by anaerobic microbial activity (through sulfate-reducing microorganisms, SRMs) is called biogenic souring of reservoirs and poses a risk in the petroleum industry as the compound is ...
Hakan Alkan, Felix Kögler, Gyunay Namazova, Stephan Hatscher, Wolfgang Jelinek, Mohd Amro   +5 more
doaj   +1 more source

Multifunctional Hydroxyapatite Coated with Gallium Liquid Metal‐Based Silver Nanoparticles for Infection Prevention and Bone Regeneration

Advanced Functional Materials, EarlyView.
A multifunctional hydroxyapatite (HAp) coating integrated with silver‐gallium liquid metal nanoparticles (HAp‐Ag‐GaNPs) exhibits dual antibacterial and osteogenic properties. It effectively inhibits Gram‐positive and Gram‐negative bacteria, including resistant strains, while enhancing bone regeneration.
Ngoc Huu Nguyen, Pengfei Zhang, Fathima Shana Pattar Kadavan, Zhaoning Xu, Tien Thanh Nguyen, Wenshao Li, Manh Tuong Nguyen, Chung Kim Nguyen, Duy Quang Pham, Thi Giang Tuyet Pham, Andrew Hayles, Markos Negash Alemie, Jitraporn Vongsvivut, Vincent Chan, Stephen Peter Kidd, Yunpeng Zhao, Krasimir Vasilev, Vi Khanh Truong   +17 more
wiley   +1 more source

Experimental investigation of the influence of various nanoparticles on water-based mud [PDF]

, 2016
Master's Project (M.S.) University of Alaska Fairbanks, 2016In the oil and gas industry, drilling fluids play an important role in the success of drilling operations.
Dhiman, Paritosh
core  

Experimental Investigation of Environmentally Friendly Drilling Fluid Additives (Mandarin Peels Powder) to Substitute the Conventional Chemicals Used in Water-Based Drilling Fluid [PDF]

, 2020
The non-biodegradable additives used in controlling drilling fluid properties cause harm to the environment and personal safety. Thus, there is a need for alternative drilling fluid additives to reduce the amount of non-biodegradable waste disposed to ...
Al-Alwani, Mustafa A., Al-Bazzaz, Waleed H., Al-Hameedi, Abo Taleb T., Alkhamis, Mohammed M., Alkinani, Husam H., Alshammari, Abdullah F., Dunn-Norman, Shari, Mutar, Rusul A.   +7 more
core   +1 more source

Penggunaan Tepung Tapioka Sebagai Pengganti Bentonit Pada Lumpur Pemboran Berbahan Dasar Air [PDF]

, 2023
Fluida pemboran merupakan salah satu aspek yang berperan penting dalam keberhasilan dari operasi pemboran. Lumpur pemboran secara umum berfungsi antara lain sebagai pengangkat serbuk pemboran, menjaga serbuk pemboran tidak jatuh dan menumpuk saat ...
Aji Kusworo, Zulfikar, Silviana, S, Triadi Putranto, Thomas   +2 more
core   +1 more source

Carbon Nanotube 3D Integrated Circuits: From Design to Applications

Advanced Functional Materials, EarlyView.
As Moore's law approaches its physical limits, carbon nanotube (CNT) 3D integrated circuits (ICs) emerge as a promising alternative due to the miniaturization, high mobility, and low power consumption. CNT 3D ICs in optoelectronics, memory, and monolithic ICs are reviewed while addressing challenges in fabrication, design, and integration.
Han‐Yang Liu, Yun Sun, Dong‐Ming Sun, Hui‐Ming Cheng   +3 more
wiley   +1 more source

The Effects of Pore Pressure and Temperature Difference Variation on Borehole Stability [PDF]

, 2013
Considering that drilling fluid filtration and the temperature difference between borehole wall rock and drilling fluid can cause the stress variation of the borehole wall.
Chi, AI, Yu, LIU, Yuwei, LI
core   +2 more sources

Autonomous Control of Extrusion Bioprinting Using Convolutional Neural Networks

Advanced Functional Materials, EarlyView.
This work presents a novel computer vision system for high‐fidelity monitoring of extrusion‐based bioprinting and a correction system utilizing convolutional neural networks for error mitigation. This system has demonstrated high detection accuracy and extrusion correction abilities that advance the state of the art toward accelerated printing ...
Daniel Kelly, Vasileios Sergis, Laura Ventura i Blanco, Karl Mason, Andrew C. Daly   +4 more
wiley   +1 more source