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Team:Lyon-INSA/microbialControl
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The first one is the clogging of the tubing, which much like cholesterol deposit in our arteries, will reduce the available circulating space, reducing the flux of gas or oil that can be transporter in the pipe. Even small amounts of biofilm can negatively affect flow of hydrocarbons, as can be seen on the figure below in an experiment performed on gas fluxes in presence or absence of only 8% of biofilm coverage. As a consequence of biofilm formation, we can see that about 50% of the gas flux is lost.<br/> | The first one is the clogging of the tubing, which much like cholesterol deposit in our arteries, will reduce the available circulating space, reducing the flux of gas or oil that can be transporter in the pipe. Even small amounts of biofilm can negatively affect flow of hydrocarbons, as can be seen on the figure below in an experiment performed on gas fluxes in presence or absence of only 8% of biofilm coverage. As a consequence of biofilm formation, we can see that about 50% of the gas flux is lost.<br/> | ||
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(<a href="http://www.slb.com/%7E/media/Files/resources/oilfield_review/ors12/sum12/1_microbes.pdf">from Z. Augustinovic <i>et al.</i></a>). | (<a href="http://www.slb.com/%7E/media/Files/resources/oilfield_review/ors12/sum12/1_microbes.pdf">from Z. Augustinovic <i>et al.</i></a>). | ||
Revision as of 21:00, 25 September 2012
Applications
The versatility of « Biofilm Killer »
“Biofilm Killer” is designed to meet several industrial needs, because although almost every industry has problems dealing with biofilm development, cleaning biofilms does not mean the same in the different industries. These applications can be briefly categorized in three different needs : completer ici !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Focus on Oil Industry
Oil industry faces with important and costly difficulties due to biofilm-related issues. These include, but are not limited to, pipeline and metallic structure corrosion, porosity clogging in the rock or the tubing, microbial souring, petroleum spoilage during storage. The main consequences of microbial at the global scale are several : A reduced quality of the final product (microbial alteration), an increase in treatment costs (souring), the reduction of well production (souring, microbial alteration, clogging). Biofilm formation is involved in the corrosion of the metallic structures, including the oil-plateform, but most importantly the pipelines and tubing.
Biofilm-induced alteration will affect the structure, resulting in two effects :
The first one is the clogging of the tubing, which much like cholesterol deposit in our arteries, will reduce the available circulating space, reducing the flux of gas or oil that can be transporter in the pipe. Even small amounts of biofilm can negatively affect flow of hydrocarbons, as can be seen on the figure below in an experiment performed on gas fluxes in presence or absence of only 8% of biofilm coverage. As a consequence of biofilm formation, we can see that about 50% of the gas flux is lost.
(from Z. Augustinovic et al.).
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« Biofilm Killer »: a practical manual
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