Concise review on bacterial degradation of petroleum hydrocarbons: emphasis on Indian marine environment

LC Goveas, S Nayak, R Selvaraj - Bioresource Technology Reports, 2022 - Elsevier
Petroleum crude oil is cleared from marine environment at the site of oil spill by various
physical, chemical and biological methods. Oil spills and released petroleum hydrocarbons …

Influence of reservoir minerals and ethanol on catalytic aquathermolysis of heavy oil

Z Zhou, M Slaný, E Kuzielová, W Zhang, L Ma, S Dong… - Fuel, 2022 - Elsevier
In this paper, the effect of different types of minerals and alcohols as hydrogen donors on the
catalytic aquathermolysis of heavy oil was investigated. The best catalytic effect showed …

Synthesis of PMMA/modified graphene oxide nanocomposite pour point depressant and its effect on the flow properties of Indian waxy crude oil

R Sharma, V Mahto, H Vuthaluru - Fuel, 2019 - Elsevier
Application of Polymeric nanocomposites as pour point depressant (PPD) for crude oil has
opened the doors for a new area of research in the petroleum industry. In this research work …

Organically modified nano-clay facilitates pour point depressing activity of polyoctadecylacrylate

B Yao, C Li, F Yang, J Sjöblom, Y Zhang, J Norrman… - Fuel, 2016 - Elsevier
Introduction of nanomaterials constitutes a novel and efficient means to enhance the
performance of polymeric pour point depressants (PPDs). Based on the specific layered …

Synthesis and evaluation of oleic acid based polymeric additive as pour point depressant to improve flow properties of Indian waxy crude oil

B Deka, R Sharma, A Mandal, V Mahto - Journal of Petroleum Science and …, 2018 - Elsevier
During production of crude oil, surface temperature is much less than reservoir temperature.
As a result hindrance in flow occurs due to wax precipitation in surface flowlines and if the …

Preparation and evaluation of modified ethylene–vinyl acetate copolymer as pour point depressant and flow improver for Jianghan crude oil

Y Ren, Z Chen, H Du, L Fang… - Industrial & Engineering …, 2017 - ACS Publications
The ethylene–vinyl acetate copolymer (EVA) was modified by alkali-catalyzed alcoholysis.
The alcoholized EVA (EVAL) was characterized by Fourier transform infrared (FTIR) …

Pour point depressant: Identification of critical wax content and model system to estimate performance in crude oil

L Steckel, RCP Nunes, PCS Rocha, ACS Ramos… - Fuel, 2022 - Elsevier
This study investigates the performance as pour point depressant of 15 samples of modified
poly (ethylene-co-vinyl acetate) 10 mol%(EVA10), by hydrolysis and esterification, using …

Gamma radiation-induced grafting of poly (butyl acrylate) onto ethylene vinyl acetate copolymer for improved crude oil flowability

A Siddiq, MM Ghobashy, AAAM El-Adasy… - Scientific Reports, 2024 - nature.com
Ethylene vinyl acetate (EVA) copolymers are widely employed as pour point depressants to
enhance the flow properties of crude oil. However, EVA copolymers have limitations that …

Emulsification of Indian heavy crude oil in water for its efficient transportation through offshore pipelines

S Kumar, V Mahto - Chemical Engineering Research and Design, 2016 - Elsevier
The emulsification of heavy crude oil is the most economical way to transport it through
offshore pipelines. In this research article, distinct oil-in-water (o/w) emulsions were …

Emulsification of Indian heavy crude oil using a novel surfactant for pipeline transportation

S Kumar, V Mahto - Petroleum Science, 2017 - Springer
The most economical way to overcome flow assurance problems associated with
transportation of heavy crude oil through offshore pipelines is by emulsifying it with water in …