The Release of Oil from Petroleum-Bearing Materials by Sulfate-Reducing Bacteria

Updegraff, David M.; Wren, Gloria B.

doi:10.1128/aem.2.6.309-322.1954

Cited by 50 publications

(11 citation statements)

References 3 publications

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“…Yet many crude oiLs fail to support the growth of sulfate reducing bacteria. Our own results (90) and those of Beck (7) have been negative in this respect. Kuznetsov (40) presented the interesting observation that only one of three samples of Russian crude oil tested supported any growth of sulfate reducing bacteria although heptane was slowly utilized.…”

Section: Baterial Actioncontrasting

confidence: 52%

“…Updegraff and Wren (90) studied the process of secondary recovery of oil by sulfate reducing bacteria using various types of porous media and crude oils (typical apparatus shown in figure 2). Cultures of bacteria obtained from ZoBell were employed, including some which were also used by Beck (7), as well as several strains isolated from oil well brines, limestone cores, and mud.…”

Section: Baterial Actionmentioning

confidence: 99%

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Microbiology in the Petroleum Industry

Davis¹,

Updegraff²

1954

Bacteriological Reviews

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stituents into useful products receives little The microbiologist within the past decade h attention. On the other hand, although the role joined the maay other technologists serving the of microorganisms in petroleum genesis (the petroleum industry. Hlis endeavors are not as process by which petroleum is formed in nature) highly specialized as might be presumed, and the has been a long range study of interest to gepurpose of this review is to indicate the scope of ologists for more than twenty years, this subject petroleum microbiology. In time, certain aspects has yet to pass beyond the realm of speculation. within this scope will likely be pursued with Exploration for petroleum deposits was much greater intensity of effort. Today, the pioneered by the rank wildcatter who was microbial conversion of certain petroleum con-followed and surpassed by the geologist. The 215

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Section: Baterial Actioncontrasting

confidence: 52%

Section: Baterial Actionmentioning

confidence: 99%

Microbiology in the Petroleum Industry

Davis¹,

Updegraff²

1954

Bacteriological Reviews

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“…In flow systems, bacterial transport through porous media has been largely described as a function of the pore entrance size (20,21) and, hence, adequately simulated by a filtration model (6,9,18). Under static conditions, however, a relationship between the bacterial penetration rate and the subsurface permeability has recently been demonstrated (11).…”

mentioning

confidence: 99%

Mechanisms of microbial movement in subsurface materials

Reynolds

Sharma

Jenneman

et al. 1989

Appl Environ Microbiol

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The biological factors important in the penetration of Escherichia coli through anaerobic, nutrient-saturated, Ottawa sand-packed cores were studied under static conditions. In cores saturated with galactose-peptone medium, motile strains of E. coli penetrated four times faster than mutants defective only in flagellar synthesis. Motile, nonchemotactic mutants penetrated the cores faster than did the chemotactic parental strain. This, plus the fact that a chemotactic galactose mutant penetrated cores saturated with peptone medium at the same rate with or without a galactose gradient, indicates that chemotaxis may not be required for bacterial penetration through unconsolidated porous media. The effect of gas production on bacterial penetration was studied by using motile and nonmotile E. coli strains together with their respective isogenic non-gas-producing mutants. No differences were observed between the penetration rates of the two motile strains through cores saturated with peptone medium with or without galactose. However, penetration of both nonmotile strains was detected only with galactose. The nonmotile, gas-producing strain penetrated cores saturated with galactose-peptone medium five to six times faster than did the nonmotile, non-gas-producing mutant, which indicates that gas production is an important mechanism for the movement of nonmotile bacteria through unconsolidated porous media. For motile strains, the penetration rate decreased with increasing galactose concentrations in the core and with decreasing inoculum sizes. Also, motile strains with the faster growth rates had faster penetration rates. These results imply that, for motile bacteria, the penetration rate is regulated by the in situ bacterial growth rate. A sigmoidal relationship was found between the specific growth rates of all of the motile bacteria used in this study and the penetration rates through cores saturated with galactose-peptone medium.

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“…Kuznetsov (1950) stated that sulfate reduction at the expense of organic matter in petroleum is extremely slow and depends on the composition of the petroleum. Updegraff and Wren (1954) agreed that the process is very slow, if indeed it occurs at all. The possibility that sulfatereducing bacteria are supported by hydrocarbons or other compounds contained in connate water associated with the formations has not been determined.…”

Section: Discussionmentioning

confidence: 99%