2011
DOI: 10.1007/s11242-011-9825-7
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Fundamental Study of Pore Scale Mechanisms in Microbial Improved Oil Recovery Processes

Abstract: A fundamental study of microscopic mechanisms and pore-level phenomena in the Microbial Improved Oil Recovery method has been investigated. Understanding active mechanisms to increase oil recovery is the key to predict and plan MIOR projects successfully. This article presents the results of visualization experiments carried out in a transparent pore network model. In order to study the pore scale behavior of bacteria, dodecane and an alkane oxidizing bacterium, Rhodococcus sp. 094, suspended in brine, are exa… Show more

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Cited by 28 publications
(10 citation statements)
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“…The economical aspects of porous media flows cannot be understated. Its knowledge lies in the heart of many new technologies developed for example in the prospection and exploration of oil and gas [35][36][37][38][39][40][41][42], fuel cell [43], and solar cell technology [44].…”
Section: Introductionmentioning
confidence: 99%
“…The economical aspects of porous media flows cannot be understated. Its knowledge lies in the heart of many new technologies developed for example in the prospection and exploration of oil and gas [35][36][37][38][39][40][41][42], fuel cell [43], and solar cell technology [44].…”
Section: Introductionmentioning
confidence: 99%
“…The dispersion of contaminants in porous and fractured networks [32] and the formation and evolution of fractures [33] have also been subjects of recent studies. On the industrial side it is important to consider that basic concepts of flow in porous media lie in the core of many of the techniques employed, for example, in the prospection and exploration of oil and gas [34][35][36], in the capture and storage of carbon dioxide [37] and in the development of modern multifunctional porous materials for solar cells [38] and other related energy applications.…”
Section: Introductionmentioning
confidence: 99%
“…In sandstone formations, oil displacement is not fundamentally influenced by the wettability of the rock surface, and hence in this case wettability alterations by microbial activity is not a promising mechanism for enhancing oil recovery. In carbonate reservoirs, however, changes in the wettability (from oil-wet to water-wet) are much more significant for oil recovery because in a water-wet system, the oil tends to be in the large pores of the rock, while water is in small tracks and around the grains (Afrapoli et al, 2011). It may, thus, seem that water-wet conditions are favorable for increased oil recovery because oil is concentrated in larger pores and hence easier to access by flooding (Kowalewski et al, 2006).…”
Section: Alteration Of Wettability Of Rock Formation By Microorganismsmentioning
confidence: 99%
“…The cell surface of oildegrading bacteria is generally hydrophobic, thus conferring them with an affinity to adhere to oil droplets, as would occur in the reservoir. Bacterial growth occurs around the oil and, consequently, the bacteria will form a biofilm that can block large pores in the rock (Afrapoli et al, 2011). Blocking high permeability zones in the reservoir can also improve the areal sweep efficiency (improved conformance control) and lead to higher incremental recovery of the oil.…”
Section: Microbial-mediated Plugging Of High-permeability Zonesmentioning
confidence: 99%