Results 141 to 150 of about 710,697 (204)

Experimental investigation of divalent ions and CTAB effects on heavy oil emulsion stability in carbonate reservoirs. [PDF]

Sci Rep
Mansouri AT, Mahdavi MS, Dehaghani AHS.
europepmc   +1 more source

A Nano-SiO₂-Based Core-Shell Hybrid as a Dual-Functional Viscosity Reducer and Pour Point Depressant for Heavy Oil. [PDF]

Polymers (Basel)
Ji B, Wang S, Sarsenbekuly B, Tao Z, Qi L, Kang W, Duan W, Yang H, Zhang B.   +8 more
europepmc   +1 more source

Study on the Surface Functional Groups of Asphaltenes Pre- and Post-Hydrotreating in Different Reaction Systems. [PDF]

ACS Omega
Sun Y, Wang Z, Liu Z.
europepmc   +1 more source

Mechanistic Investigation of Asphaltene Deposition

Energy & Fuels, 2016
Asphaltenes are the most polar molecules in crude oil and are responsible for a large number of deposition and fouling problems in the oil industry. The mechanisms by which asphaltenes deposit have not been fully elucidated, and the goal of this investigation is to reveal the underlying physics of the asphaltene deposition process.
Cláudio Vilas Bôas Fávero, Apirak Hanpan, Pantid Phichphimok, Krittin Binabdullah, H. Scott Fogler   +4 more
openaire   +2 more sources

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Asphaltene Deposition on Metallic Surfaces

Journal of Dispersion Science and Technology, 2004
Abstract The potential for asphaltene deposition in wellbores and flowlines is a major concern during design of oil production and transportation facilities, especially in deep‐water environments. Understanding the processes that control asphaltene deposition, especially the relationship between precipitation and deposition, can help to reduce the risk
Jill S Buckley
exaly   +2 more sources

Alternative Methods in Preventing Asphaltene Deposition

Abu Dhabi International Petroleum Exhibition and Conference, 2010
Abstract Asphaltene deposition reduces oil productivity in afflicted wells and- in worst case- stops the wells from flowing due to complete plugging as a result of deposition inside the tubing. Currently, wellbore soaking and wire-line clean-up jobs are implemented to deal with asphaltene deposition.
Aamer Albannay, Tsutomu Masuzawa
openaire   +2 more sources

Asphaltene Deposition and Fouling in Reservoirs

Offshore Technology Conference, 2017
In this paper, we will highlight some of the impactful collaborative efforts completed within DeepStar Phase XII of the X200 Flow Assurance committees leading to the development, integration and deployment of novel technologies. This project aims to establish in what cases asphaltene deposition in reservoirs is a real ...
Mohammad Tavakkoli, Peng He, Pei-Hsuan Lin, Sara Rezaee, Maura Puerto, Rocio Doherty, Jefferson Creek, Jianxin Wang, Greg Kusinski, Joseph Gomes, Walter Chapman, Sibani Lisa Biswal, Francisco M. Vargas   +12 more
openaire   +2 more sources

Asphaltene Deposition Simulator with Aggregation

Offshore Technology Conference, 2023
Abstract Asphaltene stability, aggregation, and transport are coupled with hydraulic and heat transfer equations to predict the effects of asphaltene deposition in wellbores and pipelines. The model uses lab measurements to characterize the asphaltene in solution and develop a precipitation curve in a pre-processing step.
Khalid Mateen, Eric William Smith
openaire   +1 more source

CFD modeling of asphaltene deposition rate from crude oil

Journal of Petroleum Science and Engineering, 2015
In this work, rate of asphaltene deposition from crude oil flowing under forced convection through a vertical pipe have been investigated using computational fluid dynamics (CFD).
Masoud Haghshenasfard, Kamel Hooman
exaly   +2 more sources

Hydrodynamic Perspective on Asphaltene Agglomeration and Deposition

Energy & Fuels, 2015
In this work, we propose a detailed numerical model for asphaltene agglomeration and deposition, as induced by a resolved turbulent liquid carrier phase flow, in which transport, breakup, and re-entrainment are also taken into account. Asphaltene phase separation is represented by the appearance of adhesive primary particles, which bond upon collision ...
Schutte, K.C.J., Portela, L.M., Twerda, A., Henkes, R.A.W.M.   +3 more
openaire   +2 more sources