Results 71 to 80 of about 4,389,832 (297)

Proceedings of the Integrated Ocean Drilling Program 333: NanTroSEIZE Stage 2: Subduction Inputs 2 and Heat Flow

, 2012
<p>The Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) program is a coordinated, multiexpedition drilling project designed to investigate fault mechanics and seismogenesis along subduction megathrusts through direct sampling, in situ ...
Kinoshita, Masataka, Saitoh, Yu, Gao, Shu, Satoguchi, Yasufumi, Screaton, Elizabeth J., Lee, Gwangsoo, Bauersachs, Thorsten, Strasser, Michael, Henry, Pierre, Scudder, Rachel P., Moore, Gregory F., Moe, Kyaw Thu, Song, Bo Ra, Kanamatsu, Toshiya, Alves, Tiago M., Laberg, Jan Sverre, Matsubayashi, Osamu, Lee, Youngmin, Marcaillou, Boris, Kawamura, Kiichiro, Saffer, Demian M., Lu, Yuehan, Nagahashi, Yoshitaka, Garcon, Marion, Kitamura, Yujin, Underwood, Michael B., Daigle, Hugh, Yamaguchi, Asuka, Ekinci, Mehmet Koray, Novak, Beth   +29 more
core   +1 more source

Microstructure‑Dependent Phase Transformations Under High‑Pressure Laser Heating in Additively Manufactured AlCrFe2Ni2

Advanced Engineering Materials, EarlyView.
Additively manufactured AlCrFe2Ni2 with contrasting BCC/B2‐dominant and lamellar FCC + BCC/B2 microstructures exhibits the same pressure‐induced BCC/B2 → HCP transformation. Under laser heating at high pressure, HCP is destabilized, and a cubic BCC/B2 + FCC assemblage is recovered, while the lower‐scan‐speed microstructure transforms at a lower ...
Raimundas Sereika, Hunter Kantelis, Yogesh K. Vohra, Shengbiao Zhang, Wuxian Yang, Wen Chen   +5 more
wiley   +1 more source

An Amphiphilic Flow Pattern Regulator for Oil-Based Drilling Fluids Used in Ultra-High Temperature Deep Wells

Zuanjingye yu wanjingye
In deep and ultra-deep well drilling, after long period of circulation at ultra-high temperatures, oil-based drilling fluids will experience rheology deterioration problems, such as gel or suspending capacity decline, a causative factor for barite sag ...
Jianghao PENG, Bin GAO, Yan WANG, Zhengqiang DENG, Qi ZHU, Xinliang LI   +5 more
doaj   +1 more source

New mud for hydrogeological drilling [PDF]

, 2016
A major source of valued water are groundwater deposits. Therefore, constantly growing water demand requires greater focus on the subject of hydrogeological drilling. The primary requirements for groundwater drilling are: protection of important aquifers
Jan Macuda, Sławomir Wysocki, Gaczoł, Magdalena, Gaczoł, M., Magdalena Gaczoł, Macuda, J., Wysocki, S., Macuda, Jan, Wysocki, Sławomir   +8 more
core   +1 more source

Edible Cuttlefish Ink: Complex Chemistry, Structure, and Electrical Response

Advanced Engineering Materials, EarlyView.
An integrated approach of chemistry‐structure‐electrical properties is used to assess the potential of edible cuttlefish ink as a bio‐based conductive ink for printable electronics. Chromatography and Neutron Activation Analysis reveal a fascinating molecular and elemental diversity.
Camille Bour‐Cardinal, Darren Hall, Teresa Cecchi, Sara Offidani, Philippe Plamondon, Clara Santato   +5 more
wiley   +1 more source

Development and Performance Evaluation of a High-Temperature-Resistant Salt-Responsive Micro-Crosslinked Polymer Gel Filtration Loss Reducer

Gels
To address the difficulty in controlling the filtration performance of water-based drilling fluids under high-temperature and high-salinity conditions during the drilling of deep and ultra-deep wells, a salt-responsive micro-crosslinked polymer gel ...
Fengfeng Xiao, Yuhao Xia, Wushuo Liu, Jingping Liu, Yuanwei Sun   +4 more
doaj   +1 more source

Implementation of artificial intelligence and support vector machine learning to estimate the drilling fluid density in high-pressure high-temperature wells

, 2021
One of the challenging conditions in wellbore management is high-pressure, high-temperature wells that apply large expenditures and maintenance costs to petroleum industries.
Rahmad Syah, Naeim Ahmadian, M. Elveny, S. Alizadeh, Meysam Hosseini, A. Khan   +5 more
semanticscholar   +1 more source

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

Advanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke, Hattie R. Chisnall, Jesus Vazquez Chavez, Ana B. Jorge Sobrido   +3 more
wiley   +1 more source

Implantable Ionic Memristors Based on Natural Polymer Heterojunctions

Advanced Functional Materials, EarlyView.
We report an implantable natural polymer‐based ionic memristor composed of hyaluronic acid, chitosan, and PDMS. The device achieved 98.94% accuracy in MNIST classification while reducing training time by 36.8% compared with a conventional artificial neural network (ANN).
Dong‐yup Lee, Byung Ik Park, Gihyeon Yim, Hyunjae Yoo, Sangjun Ma, Jundong Park, Jeong‐Yun Sun   +6 more
wiley   +1 more source

New Zwitterionic Polymer as a Highly Effective Salt- and Calcium-Resistant Fluid Loss Reducer in Water-Based Drilling Fluids

Gels, 2022
To control the filtration loss of drilling fluids in salt–gypsum formations, a novel type of zwitterionic polymer gel (DNDAP) was synthesized by free radical polymerization, which was used as a salt- and calcium-resistant fluid loss reducer for water ...
Lu-Man Liu, Jin-Sheng Sun, Ren Wang, Fan Liu, Shi-Feng Gao, Jie Yang, Han Ren, Yuanzhi Qu, Rong-Chao Cheng, Yuan Geng, Zhe Feng   +10 more
semanticscholar   +1 more source