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    MNL73

    Asphaltene Deposition: Impact on Oil Production, Experimental Methods, and Mitigation Strategies

    Published: Sep 2016


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    Abstract

    The U.S. Energy Information Administration predicts that world energy consumption will grow by 56 percent between 2010 and 2040. To meet ever-increasing energy demand and to tackle the uncertainties in energy supply, the petroleum industry faces the need to produce oil and gas in unconventional and complex conditions, deep waters, and difficult-to-access formations. One of the major challenges in this pursuit is to implement a holistic flow assurance program (i.e., to guarantee the continuous and economic production and the flow of oil/ gas to the refinery). Asphaltenes constitute the heaviest fraction of oil, which can deposit during oil production, clogging wellbores and production facilities. This can cause excessive downtime and high cleaning costs running into several millions of dollars per occurrence. Understanding asphaltene deposition and therefore implementing effective mitigation as well as remediation strategies is at the core of a successful flow assurance program. In this report, we present an overview of some of the previous and current efforts in the “Asphaltenes” research field: (1) on the experimental and thermodynamic modeling of crude oils focused on asphaltene precipitation; (2) on the experimental and fluid dynamics modeling of asphaltene deposition both in the oil pipelines and in the reservoir; and (3) on some of the mitigation and remediation strategies used. This report aims to serve as a quick immersion for any researcher interested in the development of standard test methods to probe asphaltene behavior.

    Keywords:

    solubility, asphaltene precipitation, thermodynamic modeling, asphaltene deposition


    Author Information:

    Tavakkoli, Mohammad
    Rice University, Dept. of Chemical and Biomolecular Engineering, Houston, TX

    Sharif University of Technology, Dept. of Chemical and Petroleum Engineering, Tehran,

    Boggara, Mohan
    Rice University, Dept. of Chemical and Biomolecular Engineering, Houston, TX

    Garcia-Bermudes, Miguel
    Rice University, Dept. of Chemical and Biomolecular Engineering, Houston, TX

    Vargas, Francisco M.
    Rice University, Dept. of Chemical and Biomolecular Engineering, Houston, TX


    Committee/Subcommittee: D18.26

    DOI: 10.1520/MNL7320140024