Chapter 15 Biotechnological approach for development of microbial enhanced oil recovery technique

Fujiwara, Kazuhiro; Sugai, Yuichi; Yazawa, Nintoku; Ohno, Katsutoshi; Hong, C-X.; Enomoto, Heiji

doi:10.1016/s0167-2991(04)80156-3

Cited by 24 publications

(16 citation statements)

References 14 publications

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“…This mechanism has a large literature, which will not be reviewed here, and the requirements for successful application were clearly defined in the 1980's (Jenneman et al 1984;Lappin-Scott et al 1988). A review of this extensive literature is beyond our scope, therefore, we will focus on a recent well documented case study which clearly defines the requirements for success (Fujiwara et al 2004). Fujiwara et al (2004) set out a series of requirements for success, both biological and physical that echoed previous studies of plugging (Jenneman et al 1984;Lappin-Scott et al 1988):…”

Section: B1 Alteration Of Macroscopic Conformance By Plugging Of Higmentioning

confidence: 99%

Potential Microbial Enhanced Oil Recovery Processes: A Critical Analysis

et al. 2008

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Section: B1 Alteration Of Macroscopic Conformance By Plugging Of Higmentioning

confidence: 99%

Potential Microbial Enhanced Oil Recovery Processes: A Critical Analysis

et al. 2008

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“…Although the efficiency of microbial enhanced oil recovery has been demonstrated in field studies in different parts of the world such as the United States, Russia, the Czech Republic, Poland, Romania, the Netherlands and China (Karanth et al 1999;Fujiwara et al 2004), MEOR application in deep petroleum reservoirs with a combination of harsh conditions such as high temperature, salinity, pressure, hydrocarbon toxicity and lack of oxygen, is still a challenge. Further investigation is required to attain microorganisms capable of tolerating these conditions, with desired activities especially biosurfactant production.…”

Section: Introductionmentioning

confidence: 99%

Bioemulsifier production by a halothermophilic Bacillus strain with potential applications in microbially enhanced oil recovery

et al. 2007

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A halothermotolerant Gram-positive spore-forming bacterium was isolated from petroleum reservoirs in Iran and identified as Bacillus licheniformis sp. strain ACO1 by phenotypic characterization and 16S rRNA analysis. It showed a high capacity for bioemulsifier production and grew up to 60 degrees C with NaCl at 180 g l(-1). The optimum NaCl concentration, pH and temperature for bioemulsifier production were 4% (w/v), 8.0, and 45 degrees C, respectively. Although ACO1 did not utilize hydrocarbons, it had a high emulsifying activity (E (24) = 65 +/- 5%) on different hydrophobic substrates. Emulsification was optimal while growing on yeast extract as the sole carbon source and NaNO(3) as the nitrogen source. The efficiency of the residual oil recovery increased by 22% after in situ growth of B. licheniformis ACO1 in a sand-pack model saturated with liquid paraffin.

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“…According to the API code 27, a porous medium has a value of permeability (k) of 1 Darcy if a single-phase liquid with a viscosity ( f) equals to 1 centiPoise flows at a velocity (q) of 1 cm per second through a cross-section (A) covering an area of 1 cm 2 with a hydraulic gradient (dp/dl) of 1 atm (76.0 cm Hg) per cm 2 and if the liquid entirely occupies the medium. Negative sign in the equation above shows an opposite flow to the hydraulic gradient.…”

Section: Permeability Measurementmentioning

confidence: 99%

“…Thus, reservoir rock has to have porosity as the retention capability and also permeability as the discharging capability of petroleum oil. Porosity determines the amount of liquid contained, whereas permeability determines the amount of liquid yielded [2]. A permeable rock will be considered porous with interconnected pores.…”

Section: Introductionmentioning

confidence: 99%

The Potential of Indigenous Bacteria to Increase Porosity-Permeability of Reservoir Rock: A Preliminary Study

Rinanti¹

2017

GEOMATE

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Oil content extraction from the rock pores can be very complicated due to the high viscosity of petroleum oil and low degree of reservoir rock porosity as well as its permeability. A research had been carried out with the use of mix populations of indigenous bacteria isolated from formation water (fw), wellsite sludge (ws) and well mud (wd). Limestones was used as samples. This cores were soaked for 2 (two) weeks in 55 0 C, a media contained of 1% molasse dissolved in sterillized formation water and 20% crude oil as covering. During the research, there was a change in the pH environment from neutral to acid. Acid production from the reaction result with carbonate in the solution will lower pH of the water that was produced. Changing value of porosity (%) that was injected by bacteria from fw, ws, and wd, increases respectively 23.22, 68.29, 14.89, and changing value of permeability (%) respectively 56. 28, 137.83, 35.77. Even though on average there were an increase in value of porosity and permeability, there were also a decrease in the value of porosity and permeability of a few of the limestones samples. Inoculum bacteria from the pollution around the oil well are much more adaptive and give more carbonate dissolving reaction than the other actions. MEOR (microbial enhanced oil recovery) technique is really dependent on the growth of the microbes in site, and the development of the secondary metabolit products that can change the porosity and permeability of the reservoir limestones.

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Chapter 15 Biotechnological approach for development of microbial enhanced oil recovery technique

Cited by 24 publications

References 14 publications

Potential Microbial Enhanced Oil Recovery Processes: A Critical Analysis

Potential Microbial Enhanced Oil Recovery Processes: A Critical Analysis

Bioemulsifier production by a halothermophilic Bacillus strain with potential applications in microbially enhanced oil recovery

The Potential of Indigenous Bacteria to Increase Porosity-Permeability of Reservoir Rock: A Preliminary Study

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