Results 21 to 30 of about 781 (132)

Numerical Validation of Asphaltene Precipitation and Deposition during CO2 miscible flooding

Petroleum Research, 2020
Asphaltene precipitation, flocculation, and deposition can significantly reduce oil production by impacting wellbores, flowlines, and more importantly, formations’ pore space around the well.
Fahad I. Syed, Shahin Neghabhan, Arsalan Zolfaghari, Amirmasoud K. Dahaghi   +3 more
doaj   +1 more source

Enhancing asphaltene precipitation modeling by cubic-PR solid model using thermodynamic correlations and averaging techniques

Petroleum Science, 2019
Cubic equation-of-state solid models are one of the most widely used models to predict asphaltene precipitation behavior. Thermodynamic parameters are needed to model precipitation under different pressures and temperatures and are usually obtained ...
Aktham E. Shoukry, Ahmed H. El-Banbi, Helmy Sayyouh   +2 more
doaj   +1 more source

Hydrogen donor‐assisted visbreaking of Canadian oil sands bitumen

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract High‐viscosity Canadian oil sands bitumen requires processing for efficient transportation and refining. Partial upgrading technologies, primarily based on thermal processing, can effectively reduce, or even eliminate, the use of costly diluent, increase bitumen quality and market value, potentially decrease greenhouse gas (GHG) emissions, and
Yi Zhang, Mohamed Ali, Jinwen Chen
wiley   +1 more source

Influence of asphaltene precipitation on development effect of typical heavy oil reservoirs in eastern South China Sea

Youqi dizhi yu caishoulu
During the development of heavy oil reservoirs in the eastern South China Sea， asphaltene precipitation can cause blockages in reservoir throats， wellbores， and pipelines， leading to a decrease in the productivity of oil wells.
TU Yi, DAI Jianwen, YANG Jiao, WANG Yahui, MIAO Yun, ZHONG Xulin   +5 more
doaj   +1 more source

Low‐Temperature in Situ Upgrading of Ultra‐Deep Heavy Oil Using Ni–Ce/MOF–OTf Superacid Catalysts to Enhance Energy Utilization and Sustainability

EcoEnergy, EarlyView.
A triflate‐functionalized Ni–Ce/MOF–OTf superacid enables low‐temperature (∼140°C) in situ upgrading of ultra‐deep heavy oil. It reduces viscosity by 92.11% in 12 h, maintains activity over cycles, and delivers 90.25% recovery with a lower carbon footprint by selective bond cleavage. ABSTRACT Ultra‐deep heavy oil is an important unconventional resource,
Li Wang, Ji‐Xiang Guo, Qiming Huang, Kunpeng Li, Chi Li, Yajie Wu   +5 more
wiley   +1 more source

Influencing mechanisms of solid-phase asphaltene precipitation in crude oil of Yongjin Oil Field, Junggar Basin

Shiyou shiyan dizhi
Solid-phase asphaltene precipitation and deposition, commonly occurring during reservoir development, lead to reservoir damage and production well blockage, seriously affecting crude oil exploitation and reducing economic efficiency.
Yang YANG, Dongxiao ZHANG, Hao WANG, Zengmin LUN, Zhiwei GAO, Rui WANG, Wei HU   +6 more
doaj   +1 more source

Anode Materials Requirements for Potassium Ion Batteries: Challenges and Future Possibilities

EcoEnergy, EarlyView.
This work identifies a critical scale‐up gap between laboratory battery research and industrial targets, driven by low active‐mass loadings and the omission of full‐cell metrics. We outline concrete strategies to bridge this divide, shifting focus toward high‐loading electrodes (> 3 mg cm−2) to ensure practical commercial viability of potassium ion ...
Md. Robiul Alam, Sahithi Thatipamula, Muhammad Waqas Khan, Suraj Loomba, Sharafadeen Gbadamasi, Muhammad Haris, Xian Jian, Asif Mahmood, Mahdokht Shaibani, Nasir Mahmood   +9 more
wiley   +1 more source

Biosurfactant‐assisted recovery and remediation of hydrocarbons from oily sludge using a mobile aerated washing system

Journal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKGROUND The oil industry generates oily sludge, the accumulation of which poses a serious environmental problem. Conventional methods require high costs, specialized equipment, and qualified personnel. This waste can be treated using biosurfactants.
Maria Eduarda Pereira da Silva, Fabíola Carolina Gomes de Almeida, Gabriel Neves da Motta Silveira, Bruno Humberto de Almeida Silva, Maria da Glória Conceição da Silva, Celmy Maria Bezerra de Menezes Barbosa, Leonie Asfora Sarubbo   +6 more
wiley   +1 more source

Solving asphaltene precipitation issue in vertical wells via redesigning of production facilities

Petroleum, 2015
Precipitation of heavy hydrocarbon components such as Wax and Asphaltenes are one of the most challenging issues in oil production processes. The associated complications extend from the reservoir to refineries and petrochemical plants.
Mahdi Zeinali Hasanvand, Mohammad Ali Ahmadi, Reza Mosayebi Behbahani   +2 more
doaj   +1 more source

Mass Spectrometry in Authentication and Forensic Approaches for Determining the Origin of Hazardous Chemicals

Mass Spectrometry Reviews, EarlyView.
ABSTRACT Identification of a chemical agent yields insights into its physicochemical properties. By examining the intrinsic characteristics and environment of a compound, information about its history can be gathered. The main objective of authentication/forensic approaches to chemicals is to trace the history of the compound's origin, regardless of ...
Carla Orlandi, Grégoire Delaporte, Christine Albaret, Emmanuel Joubert, Anne Bossée, Emilien L. Jamin, Laurent Debrauwer   +6 more
wiley   +1 more source