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Thermodynamic models for asphaltene precipitation

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Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 16–18, 2009
Paper Number: PETSOC-2009-090
... thermodynamic micellization model prediction interaction coefficient scale remediation flow assurance crude model prediction production chemistry asphaltene precipitation hydrate remediation characterization method upstream oil & gas oilfield chemistry solid model prediction...
Journal Articles
J Can Pet Technol 50 (03): 65–74.
Paper Number: SPE-145638-PA
Published: 01 March 2011
...Mohammad Tavakkoli; Mohsen Masihi; Mohammad H. Ghazanfari; Riyaz Kharrat Summary There are different thermodynamic models that have been applied for modelling of asphaltene precipitation caused by various reasons, such as solvent/CO 2 injection and pressure depletion. In this work, two computer...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-005
... . (1994) mechanistic two-phase flow hydrodynamic model in vertical wells is coupled with two Asphaltene precipitation thermodynamic models, namely (1995), and Wang et al . (2006). In this study, de-Boer et al . model is extended from a single point reservoir model to a multi-point wellbore model; while...
Proceedings Papers

Paper presented at the SPE Latin America and Caribbean Petroleum Engineering Conference, May 21–23, 2014
Paper Number: SPE-169401-MS
... asphaltene precipitation model was implemented into a compositional reservoir simulator to represent and estimate the reduction of porosity and permeability responsible for productivity impairment. Previous modeling techniques were computationally inefficient, showed thermodynamic inconsistencies...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 16–18, 2009
Paper Number: PETSOC-2009-147
...1 PAPER 2009-147 A New Thermodynamic Scale Equation for Modelling of Asphaltene Precipitation Form Live Oil B. SOLTANI SOULGANI Sharif University of Technology M. JAMIALAHMADI Petroleum University of Technology D. RASHTCHIAN Sharif University of Technology B. TOHIDI Institute of Petroleum...
Journal Articles
SPE Prod & Oper 15 (01): 58–65.
Paper Number: SPE-60842-PA
Published: 01 February 2000
.... The objective of this paper is to propose a thermodynamic model that can predict all the features of asphaltene precipitation including pressure, temperature, and composition effects. Prior to the description of the thermodynamic model, we will first discuss the reversibility of asphaltene precipitation...
Journal Articles
SPE Prod & Oper 13 (02): 118–127.
Paper Number: SPE-36741-PA
Published: 01 May 1998
...Huanquan Pan; Abbas Firoozabadi Asphaltene precipitation is a serious problem in the production of some petroleum reservoirs. A thermodynamic predictive model is a challenge and currently does not exist. Published models do not yet represent a realistic picture of asphaltenes in the crude. A large...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 1997
Paper Number: SPE-38857-MS
... the thermodynamic micellization model are in good agreement with data. The effect of pressure, temperature and composition on precipitation is properly predicted by the model. Introduction The modeling of asphaltene precipitation from crudes has been a challenge. Part of the challenge is due to the unique...
Proceedings Papers

Paper presented at the Latin American and Caribbean Petroleum Engineering Conference, August 30–September 3, 1997
Paper Number: SPE-38968-MS
... Abstract Asphaltene precipitation and plugging has shown to be a major problem in petroleum production and processing. As part of our research aimed at studying the calculation capabilities of some thermodynamic models, the predictive features of the micellization model proposed by Victorov...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 17–19, 2008
Paper Number: PETSOC-2008-028
... fields. The deposited asphaltene results in partial or total blockage of the wellbore, reducing or completely seizing oil production. This paper presents a new approach, based on PVT data, for thermodynamic modeling of asphaltene precipitation. The developed model has been combined with temperature...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-143488-MS
... the precipitation and deposition process, the effect of asphaltene precipitation and deposition on oil reservoir characteristics and performance. In addition, the research involves examining the existing thermodynamic models of asphaltene precipitation and deposition in porous media, reversibility of asphaltene...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, November 18–20, 2015
Paper Number: SPE-177151-MS
... precursors and catalyst poisons. For these reasons, the occurrence of asphaltene deposits may result in productivity losses and sometimes even production shutdowns. For many years, much effort has been done on modelling asphaltene precipitation because experimental investigation is a hard task. Thermodynamic...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, December 1–3, 2010
Paper Number: SPE-139040-MS
... profile throughout the reservoir for the establishment of base line conditions should a corrective strategy take place in the future. In the following paper, a summary of the relevant theoretical aspects will be presented and then, a thermodynamical model for asphaltenes precipitation estimation...
Proceedings Papers

Paper presented at the SPE/EAGE Reservoir Characterization and Simulation Conference, October 19–21, 2009
Paper Number: SPE-123368-MS
... asphaltene content a serious deposition problem was encountered. 2 SPE 123368 In Iran, many reservoirs suffer from the precipitation problem. The Bangestan Reservoir near Ahwaz, Marun oil fields, Kupal, Ramshir and Aghajari fields can be mentioned as examples. 2- Thermodynamic models of Asphaltene...
Proceedings Papers

Paper presented at the SPE Enhanced Oil Recovery Conference, July 19–20, 2011
Paper Number: SPE-143454-MS
... with/without nitrogen and methane injection. Besides applying common thermodynamic models, a new scaling equation is presented to predict asphaltene precipitation under HPHT gas injection. Published data from literature are also used in model development. The scaling approach is attractive because it is simple...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29419-MS
... , Thermodynamic Modelling of Asphaltene Precipitation and Related Phenomena , Advances in Colloid and Interface Science , Available online 15 December, ISSN 0001-8686. Gholoum , E.F. , Oskui , G.P. and Salman , M. 2003 . Investigation of Asphaltene Precipitation Onset Conditions for Kuwaiti...
Proceedings Papers

Paper presented at the Nigeria Annual International Conference and Exhibition, August 4–6, 2008
Paper Number: SPE-119725-MS
... and Zagheh fields can be mentioned as examples. 2. Thermodynamic models of Asphaltene precipitation 2.1. Polymer Solution Theory Hirschberg et. al extended the Flory- Huggins polymer solution theory to model the Asphaltene solubility in crude oils. Many investigators [3] fallowed their work. In this approach...
Proceedings Papers

Paper presented at the SPE International Symposium on Oilfield Chemistry, April 13–15, 2015
Paper Number: SPE-173757-MS
... ). On the theoretical side, a relatively large number of thermodynamic models describing asphaltene precipitation have been developed. These models vary significantly depending if they consider the precipitation reversible or irreversible or whether the crude oil behaves as a solution or a colloidal system. One common...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-120203-STU
... and utilizing various simulators (e.g. ECLIPSE, CMG, VIP) to simulate the problem under primary depletion, CO2 and water flooding scenarios, a particular thermodynamic approach was chosen to be implemented in the GPAS simulator. This model treats the precipitating asphaltene as a single component residing...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 7–9, 2009
Paper Number: IPTC-13262-MS
...-Alboudwarej, H., Akbarzadeh, K., A generalized regular Solution Model for Asphaltene Precipitation from n-alkane diluted heavy oils and Bitumens. Fluid Phase Equilibria, 232, (2005), 159-170. 10-Jorge, E.P., Monteagudo, A., Paulo, L.C., Lage, A., Rajagopal, B., Towards a polydisperse molecular thermodynamic...

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