Asphaltene precipitation and deposition: A critical review

I Mohammed, M Mahmoud, D Al Shehri… - Journal of Petroleum …, 2021 - Elsevier
Asphaltene deposition in the reservoirs, tubbing, and surface facilities causes serious flow
assurance problems with significant economic implications. Asphaltene flow assurance …

A semi-compositional approach to model asphaltene precipitation and deposition in solvent-based bitumen recovery processes

M Chai, H Nourozieh, Z Chen, M Yang - Applied Energy, 2022 - Elsevier
Steam assisted gravity drainage (SAGD), as a commercially proven high ultimate recovery
process for heavy oil and bitumen is energy intensive and may be limited by high usage of …

An integrated model for asphaltene deposition in wellbores/pipelines above bubble pressures

Q Guan, A Goharzadeh, JC Chai, FM Vargas… - Journal of Petroleum …, 2018 - Elsevier
Asphaltene has been recognized as the cholesterol of petroleum for decades due to its
precipitation and deposition in oil production, transportation and processing facilities …

Integrated reservoir/wellbore production model for oil field asphaltene deposition management

M Ghasemi, E Al-Safran - Journal of Petroleum Science and Engineering, 2020 - Elsevier
Asphaltene deposition prevention, mitigation, and management remains a major challenge
to the oil industry due to its complexity, poor understanding, and inadequate predictive tools …

A fast measurement of asphaltene onset pressure

M Sullivan, EJ Smythe, S Fukagawa… - … Reservoir Evaluation & …, 2020 - onepetro.org
A technique to quickly determine the asphaltene onset pressure (AOP) of a crude oil from
low‐volume, nonequilibrium measurements is presented. The pressure at which the optical …

Understanding reservoir fluid behavior to mitigate risk associated to asphaltene deposition in the reservoir rock near to asphaltene onset pressure AOP in the Magwa …

A Al-Obaidli, A Al-Nasheet, F Snasiri… - SPE Middle East Oil …, 2019 - onepetro.org
Abstract The Magwa-Marrat field started production early 1984 with an initial reservoir
pressure of 9,600 psia Thirty-six (36) producer wells have been drilled until now. By 1999 …

An integrated approach for predicting asphaltenes precipitation and deposition along wellbores

M Salehzadeh, MM Husein, C Ghotbi… - Journal of Petroleum …, 2021 - Elsevier
Deposition of asphaltenes upon precipitation is a main flow assurance concern, which
propelled the development of various experimental and modeling techniques to accurately …

Investigation of asphaltene-asphaltene association and aggregation for compositional reservoir simulators by quantitative molecular representations

R Hibi, K Tagami, K Kobayashi, Y Liang… - International …, 2014 - onepetro.org
The objective of this research is to properly calculate the association energy with molecular
models of asphaltenes using Molecular Dynamics (MD) simulations. Asphaltene …

Re-equilibrium of Asphaltenes by Repressurizing after Precipitation in Natural Depletion and CO2 Enhanced Oil Recovery Schemes

H Yonebayashi, T Watanabe, Y Miyagawa - Energy & Fuels, 2018 - ACS Publications
In a series of isothermal depressurizing tests to measure asphaltene onset pressure (AOP),
several depressurizing operations are usually conducted to multiple AOPs using the same …

A Field Trial to Assess Asphaltene Related Production Impairment—Marrat Reservoir, Magwa Field, Kuwait

A Al-Qattan, VS Chimmalgi, HH Dashti… - SPE Middle East Oil …, 2013 - onepetro.org
Asphaltene deposition in the reservoir, wellbore and facilities has long been recognized as
a problem in the Marrat reservoir in the Magwa field, Kuwait. One option of avoiding …