Results 51 to 60 of about 3,183,117 (293)

Geomechanical Integrity of Offshore Oil Reservoir During EOR-CO₂ Process: A Case Study

Energies
The aim of this work was to investigate the evolution of the mechanical integrity of the selected offshore oil reservoir during its life cycle. The geomechanical stability of the reservoir formation, including the caprock and base rock, was investigated ...
Piotr Ruciński
doaj   +1 more source

The meshless Galerkin method for pressure distribution simulation of horizontal well reservoir

Petroleum, 2015
This paper provides a novel three-dimensional meshless Galerkin for horizontal well reservoir simulation. The pressure function is approached by moving least-square method which consists of weight function, basic function and coefficient.
Shuyong Hu, Junxiu Ma, Renyan Zhuo, Binyuan Qin   +3 more
doaj   +1 more source

Fully Additive Vertical Organic Electrochemical Transistors on Renewable and Compostable Substrates Enable Ultrasensitive Bioelectronics

Advanced Functional Materials, EarlyView.
Fully additive vertical organic electrochemical transistors (vOECTs) with channel‐length of 226 nm on a 50 µm compostable substrate achieve >106 current modulation and ∼36 mS transconductance. Ion‐selective integration enables 1.1 mA dec−1 sensitivity and 36 µm detection limit, highlighting a scalable platform for sustainable electronics and ...
Giulia Frusconi, Samuele Lavelli, Zsolt M. Kovács‐Vajna, Fabrizio Torricelli   +3 more
wiley   +1 more source

Modeling of Geothermal Energy Recovery from a Depleted Gas Reservoir: A Case Study

Energies
This paper addresses the problem of the geothermal energy generation process in a depleted gas reservoir with a specific enhanced geothermal system, applying CO2 as an energy transporting medium.
Wiesław Szott, Piotr Ruciński, Piotr Łętkowski, Tadeusz Szpunar, Marcin Majkrzak, Tomasz Siuda, Robert Wojtowicz   +6 more
doaj   +1 more source

Monolithic Oxidation Enables Ultrathin Vertically Graded Tantalum Oxide for Low‐Voltage, Low‐Variability Memristive Switching

Advanced Functional Materials, EarlyView.
Monolithic UV‐ozone oxidation of Ta forms an ultrathin Ta2O5/TaOx bilayer enabling resistive switching with a vertical defect gradient. A stoichiometric surface layer over an oxygen‐deficient sublayer promotes localized filament nucleation near the top interface, enabling low‐voltage operation, and reduced cycle‐to‐cycle variability.
Seunghoon Yang, Dong Hyun Lee, Conan Weiland, Won‐Il Lee, Kim Kisslinger, Mingzhao Liu, Aswin kumar Anbalagan, Xiao Tong, Soumyajit Mandal, Nikhil Tiwale, Houk Jang, Chang‐Yong Nam   +11 more
wiley   +1 more source

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

Advanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao, Jiaojiao Zhang, Shideng Yuan, Xinmeng Yu, Keming Wan, Xiaoguang Duan, Zhining Wang   +6 more
wiley   +1 more source

Critical review on challenges in the application of Darcy’s law for multi-phase fluid flow in petroleum reservoirs

Discover Applied Sciences
The physical description of the transient flow of multi-phase compressible fluid through a petroleum formation should ideally be built on conservation principles of mass and momentum.
Suresh Kumar Govindarajan, Tummuri Naga Venkata Pavan, Srinivasa Reddy Devarapu, Gopal Kumar   +3 more
doaj   +1 more source

Reservoir Simulations of Hydrogen Generation from Natural Gas with CO₂ EOR: A Case Study

Energies
This paper addresses the problem of hydrogen generation from hydrocarbon gases using Steam Methane Reforming (SMR) with byproduct CO2 injected into and stored in a partially depleted oil reservoir. It focuses on the reservoir aspects of the problem using
Krzysztof Miłek, Wiesław Szott, Jarosław Tyburcy, Alicja Lew   +3 more
doaj   +1 more source

Two Coexisting Pathways to Volatility in Valence‐Change Memory Devices

Advanced Functional Materials, EarlyView.
Volatile VCM‐type memristive devices exhibit current relaxation after resistive switching, but their microscopic origin remains debated. Using pulsed measurements and a new Tunnel‐DLTS approach on Pt/SrTiO3/Nb:SrTiO3 devices, we show that post‐SET volatility is predominantly ionic, while electronic contributions—arising from quasi‐Fermi‐level ...
Johannes Hellwig, Clemens Wittberg, Dimitrios Spithouris, Regina Dittmann   +3 more
wiley   +1 more source

Neuro-dynamic programming for the efficient management of reservoir networks [PDF]

, 2001
The management of a water reservoir can be improved thanks to the use of stochastic dynamic programming (SDP) to generate management policies which are efficient with respect to the management objectives (flood protection, water supply for irrigation and
Rizzoli, Andrea Emilio, Soncini-Sessa, Rodolfo, Weber, Enrico, SONCINI SESSA, RODOLFO, P. Zenesi, Zenesi, Pietro, A. E. Rizzoli, de Rigo, Daniele   +7 more
core   +1 more source