Microbial enhancement of non-Darcy flow: Theoretical consideration
Conference
·
OSTI ID:270487
In the near well-bore region and perforations, petroleum fluids usually flow at high velocities and may exhibit non-Darcy-flow behavior. Microorganisms can increase permeability and porosity by removing paraffin or asphaltene accumulations. They can also reduce interfacial tension by producing biosurfactants. These changes can significantly affect non-Darcy flow behavior. Theoretical analysis shows that microbial activities can enhance production by decreasing the turbulence pressure drop and in some cases increasing the drag force exerted to the oil phase. This implies that the effects of microbial activities on non-Darcy flow are important and should be considered in the evaluation of microbial well stimulation and enhanced oil recovery.
- Research Organization:
- BDM Oklahoma, Inc., Bartlesville, OK (United States)
- OSTI ID:
- 270487
- Report Number(s):
- CONF-9509173--; ON: DE96001220
- Country of Publication:
- United States
- Language:
- English
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