Results 71 to 80 of about 271,344 (218)

Modified silica nanoparticles stabilized foam for enhanced oil recovery

Frontiers in Energy Research
Foam has been successfully used to improve mobility control in the process of enhanced oil recovery, yet the instability of foam limits its application.
Dandan Yin, Qiuzi Li, Dongfeng Zhao, Tao Huang   +3 more
doaj   +1 more source

Ammonia Oxidation for Energy Conversion and Environmental Remediation: Mechanism‐Guided Catalyst Design for Electrochemical, Photocatalytic, and Photoelectrochemical Systems

Small, EarlyView.
This review establishes a mechanism‐guided framework for catalyst design in electrochemical, photocatalytic, and photoelectrochemical ammonia oxidation. By correlating catalyst structure, reaction mechanisms, catalytic performance, and device‐level architectures, it highlights rational engineering strategies and future directions toward efficient ...
Dong Hyun Heo, Won Young Song, Mi Gyoung Lee   +2 more
wiley   +1 more source

Application of flue‐gas foam in thermal‐chemical flooding for medium‐depth heavy oil reservoirs

Energy Science & Engineering, 2019
Heat loss in wellbore during steam injection is considerable due to the deep burial of medium‐depth heavy oil reservoirs, leading to a low steam quality in the bottom of well.
Qingjun Du, Hao Liu, Guanghuan Wu, Jian Hou, Kang Zhou, Yongge Liu   +5 more
doaj   +1 more source

Tailoring MXene Flake Morphology via Aerosol Jet Printing for Biological and Strain Sensor Applications

Small, EarlyView.
Aerosol Jet Printing (AJP), coupled with a novel in situ monitoring method, enabled the controlled fabrication of aligned and crumpled Ti3C2Tx MXenes for diverse applications. Demonstrated across multiple 2D materials, this scalable strategy stablishes flake morphology as a controllable design parameter for engineering application‐specific material ...
Javier Gutierrez‐Gonzalez, Dahnan Spurling, Cian O'Connor, Eoin Caffrey, Tara McGuire, Jack Maughan, Tian Carey, Jose Munuera, Ilias M. Oikonomou, Julian Carolan, Luke Doolan, Ian Woods, Giulio Brunetti, Maeve A. Caldwell, Adrian Dervan, Richard G. Hobbs, Jonathan N. Coleman, Valeria Nicolosi, Fergal J. O'Brien   +18 more
wiley   +1 more source

The Reflexive Turn in Systems Engineering: A Disciplinary Response to Complexity

Systems Engineering, EarlyView.
ABSTRACT The Future of Systems Engineering (FuSE) programme has called for the discipline to evolve as a transdiscipline capable of engaging complex eco‐socio‐technical challenges. Yet the pace of that evolution has been slower than the arguments for it would predict. This article examines why.
Raul Leal Ascencio
wiley   +1 more source

Experimental investigation on mobility reduction factor of surfactant-alternating-gas foam flooding

Kuwait Journal of Science, 2019
Foam flooding is one of the common Enhance Oil Recovery (EOR) methods to mitigate the drawbacks of gas injection process. Whereas Surfactant-Alternating-Gas SAG is a common technique in the real cases, all developed foam flow models have been developed ...
Hamed Hematpour, Syed Mohammad Mahmood, Negar Hadian Nasr, Mojtaba karimi, Mahmood Bataee   +4 more
doaj  

A comparison of foam stability at varying salinities and surfactant concentrations using bulk foam tests and sandpack flooding

Journal of Petroleum Exploration and Production Technology, 2019
Two conventional approaches for foam screening are core/sandpack flooding and bulk foam stability tests. The former is more accurate, but requires expensive equipment and long test duration.
Negar Hadian Nasr, Syed M. Mahmood, Saeed Akbari, Hamed Hematpur   +3 more
doaj   +1 more source

The Evolution of Male Weapons Is Associated with the Type of Breeding Site in a Clade of Neotropical Frogs

Integrative Zoology, EarlyView.
Male weaponry evolution is often linked to male–male competition, but its relationship with breeding site type remains unclear. Using Leptodactylinae frogs, we found a macroevolutionary correlation between breeding site type and weapon evolution. Also, gains and losses of weapons occurred more frequently in exposed‐breeding sites, an unexpected finding.
Erika M. Santana, Daniel S. Caetano, Alexandre V. Palaoro, Glauco Machado   +3 more
wiley   +1 more source

SCREENING OF SURFACTANTS FOR MICELLAR FLOODING AND FOAM FLOODING [PDF]

, 2015
A great deal of information has been published on the use of surfactants in chemical Enhanced Oil Recovery methods as it hold particular attraction for recovering the residual oil left in the reservoir after water flooding. The application of surfactants
Yew, Ong Chong
core  

Effect of CO₂ foam on water absorption profile improvement

Youqicang pingjia yu kaifa, 2018
In order to solve the problems of the uneven plane water flooding, great differences between the of vertical water absorption, and low recovery of the waterflooding during the high water cut exploitation period of the oilfield, a series of indoor ...
Wang Jian, Wu Songyun, Yu Heng, Zhang Zuowei, Xu Peng   +4 more
doaj