THE ASPHALTENE DEPOSITION MECHANISM IN OIL RESERVOIR

doi:10.3863/j.issn.1000-2634.2006.06.017

西南石油大学学报(自然科学版) ›› 2006, Vol. 28 ›› Issue (6): 60-64.DOI: 10.3863/j.issn.1000-2634.2006.06.017

• 石油与天然气工程 • Previous Articles Next Articles

THE ASPHALTENE DEPOSITION MECHANISM IN OIL RESERVOIR

JIA Ying SUN Lei SUN Liang-tianWANG Sheng-huaZHANG Yong

State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation;Southwest Petroleum University, Chengdu Sichuan 610500, China

Received:2005-09-12 Revised:1900-01-01 Online:2006-12-20 Published:2006-12-20
Contact: JIA Ying

Abstract

Abstract: Based on the investigation of comprehensive literatures about asphaltene deposition, the physical and chemical deposition mechanism of asphaltene and its plug to pore and throat are summarized. After being compared and analyzed, asphaltene deposition models can be classified as the ones based on phase splitting and colloid instability. Their limitedness and the cause are pointed out. It is indicated that it is necessary to analyze the temperature, pressure and components of asphaltene flocculation, to find out the main reason of asphaltene deposition and then clarify the influence of asphaltene on reservoir permeability, which can provide the basis of reservoir development plan, prevent formation damage and insure steady and high yield.

Key words: asphaltene, mechanism, deposition model, phase splitting, colloid, reservoir

CLC Number:

TE258
TE341

JIA Ying SUN Lei SUN Liang-tian WANG Sheng-hua ZHANG Yong. THE ASPHALTENE DEPOSITION MECHANISM IN OIL RESERVOIR[J]. 西南石油大学学报(自然科学版), 2006, 28(6): 60-64.

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THE ASPHALTENE DEPOSITION MECHANISM IN OIL RESERVOIR

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