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Géomécanique de la production froide des huiles lourdes

Abstract : Cold Heavy Oil Production with Sand (CHOPS) has been successfully used unconsolidated sand reservoirs of Alberta. CHOPS involves deliberate initiation of sand influx along with the oil. Sand erosion mechanisms are complex. A special cell has been designed at IFP to represent a radial flow around a well drilled in an unconsolidated sand reservoir. The current device allowed us to observe under CT scan two erosion patterns, defined as "cavity" or "spread erosion". Dimensional analysis shows that CHOPS field conditions, high relative density and high confining pressure, should lead to a "cavity" type erosion. The originality of the numerical modeling used in this work is to take into account two distinct but interactive mechanical models to represent the reservoir and the slurry. An algorithm has been defined to predict the growth of a cavity and validated for a 1D and a plane strain numerical modeling.
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Submitted on : Friday, September 10, 2010 - 9:28:45 AM
Last modification on : Thursday, January 11, 2018 - 6:15:13 AM
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  • HAL Id : pastel-00001150, version 1


Thierry Yalamas. Géomécanique de la production froide des huiles lourdes. Sciences de l'ingénieur [physics]. Ecole des Ponts ParisTech, 2004. Français. ⟨NNT : 2004ENPC0030⟩. ⟨pastel-00001150⟩



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