ASPHALTENE PRECIPITATION DUE TO PRESSURE DEPLETION IN UNDERSEA PIPELINES

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DASHTI HOSSEIN; Jahangiri Maziar; Khalili Vavsari Hamid; Hosseini Seyed Abdolsalam

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS) PORTS & MARITIME ORGANIZATION
Year:2012 | Issue:10

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Title

ASPHALTENE PRECIPITATION DUE TO PRESSURE DEPLETION IN UNDERSEA PIPELINES

Author(s)

DASHTI HOSSEIN | Jahangiri Maziar | Khalili Vavsari Hamid | Hosseini Seyed Abdolsalam

Keywords

ASPHALTENE PRECIPITATION

RESERVOIRS

PIPELINES

SOLID MODEL

PRESSURE EFFECTS

TEMPERATURE EFFECTS

Abstract

INTRODUCTION: CRUDE OIL IS A COMPLEX MIXTURE. IT CONSISTS OF FOUR MAIN HYDROCARBON GROUPS: SATURATED HYDROCARBONS, AROMATICS, RESINS AND ASPHALTENES. ASPHALTENES ARE DEFINED AS THE CRUDE OIL FRACTION THAT PRECIPITATES UPON THE ADDITION OF AN N-ALKANE (USUALLY N-PENTANE OR N-HEPTANE) BUT REMAINS SOLUBLE IN TOLUENE. ASPHALTENE PRECIPITATION AND DEPOSITION IS ONE OF THE MOST IMPORTANT PROBLEMS IN DIFFERENT STAGES OF PETROLEUM PRODUCTION. IT CAUSES THE PLUGGING OF WELLBORE, PIPELINES AND PRODUCTION EQUIPMENTS. TO MAINTAIN THE PRODUCTION OF WELL AND AVOID PRESSURE REDUCTION DUE TO ASPHALTENE DEPOSITION, SO MANY MECHANICAL AND CHEMICAL METHODS HAVE BEEN APPLIED. THESE METHODS ARE EXPENSIVE AND NEED SUFFICIENT TIME; THEREFORE IT IS BETTER TO FIND A CONDITION TO REDUCE POSSIBILITY OF ASPHALTENE PRECIPITATION.

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APA: Copy

DASHTI, HOSSEIN, Jahangiri, Maziar, Khalili Vavsari, Hamid, & Hosseini, Seyed Abdolsalam. (2012). ASPHALTENE PRECIPITATION DUE TO PRESSURE DEPLETION IN UNDERSEA PIPELINES. INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). SID. https://sid.ir/paper/907008/en

Vancouver: Copy

DASHTI HOSSEIN, Jahangiri Maziar, Khalili Vavsari Hamid, Hosseini Seyed Abdolsalam. ASPHALTENE PRECIPITATION DUE TO PRESSURE DEPLETION IN UNDERSEA PIPELINES. 2012. Available from: https://sid.ir/paper/907008/en

IEEE: Copy

HOSSEIN DASHTI, Maziar Jahangiri, Hamid Khalili Vavsari, and Seyed Abdolsalam Hosseini, “ASPHALTENE PRECIPITATION DUE TO PRESSURE DEPLETION IN UNDERSEA PIPELINES,” presented at the INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). 2012, [Online]. Available: https://sid.ir/paper/907008/en

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