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Shirdel, M. (2012) Development of a Coupled Wellbore/Reservoir Simulator for Damage Prediction and Remediation. SPE Annual Technical Conference and Exhibition, San Antonio, 8-10 October 2012.

has been cited by the following article:

  • TITLE: Investigation of Asphaltene Deposition and Precipitation in Production Tubing

    AUTHORS: Abdolvahab Rastgoo, Riyaz Kharrat

    KEYWORDS: Asphaltene Precipitation, Asphaltene Deposition, Wellbore, Production Decline

    JOURNAL NAME: International Journal of Clean Coal and Energy, Vol.6 No.1, January 17, 2017

    ABSTRACT: Asphaltenes are complex molecular entities, which together with resins, aromatic hydrocarbons and saturates forms the crude oil. Asphaltenes and resins are in the thermodynamic equilibrium at static reservoir condition. However, asphaltene can precipitate due to changes in thermodynamic condition. Asphaltene deposition in production tubings has been an outstanding problem with wide economic impact on the oil industry. Meanwhile, the use of real-time tools to monitor depositions along the well is of great difficulty. In this work, the asphaltene precipitation region in a single phase flow wellbore is predicted for an oil well of the Iranian oil field. Then, asphaltene deposition thickness along the well is predicted for three time intervals. The simulation results indicated that asphaltene thickness exceeded more than 50% of tubing radius; therefore, a reduction in flow rate, an increase in pressure drop and tubing blockage are expected. Moreover, it is shown the deposits thickness along the wellbore has approximately a skew normal distribution shape, which could be the result of increases in velocity and excess pressure drop.