MICROBIAL ENHANCED OIL RECOVERY (MEOR)
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seminar projects crazy
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#1
31-01-2009, 12:24 AM


MICROBIAL ENHANCED OIL RECOVERY (MEOR)

Microbial consortia activity within an oil and gas reservoir is a potentially powerful biological system that can profoundly affect the entire reservoir. Certain species of microorganisms can be manipulated and controlled to release trapped oil in significant and economic quantities. Some microbial methods aid inn paraffin removal while others are designed to modify heavy oil. Still other micro-organisms produce chemicals, such as surfactants, polymers, or solvents that are useful in oil recovery processes, either in above ground facilities or in situ. Most of the methods are designed to treat single wells and not the entire fields. Several factors make microorganisms attractive for improved oil recovery. They are self-replicating and relatively inexpensive to produce. The nutrients required to sustain their growth are economically priced. Microorganisms produce many of the chemicals, such as gases, surfactants, acids, solvents and polymers involved in improving oil recovery. The general criteria for microbes to exist in the reservoir environment are: 1. Salinity should be less than 15% NaCl. 2. Temperature less than 1800F. 3. Depth less than 8000 ft. 4. Trace elements (As, Se, Ni, Hg) less than 10-15 ppm 5. Permeability greater than 50 md. 6. Oil gravity greater than 150 API. 7. Residual oil saturation greater than 25%. Microbial Enhanced Oil Recovery (MEOR) has several unique advantages that make it an economically attractive method to enhance oil recovery. MEOR processes do not consume large amounts of energy as do thermal processes and MEOR processes do not depend on the price of crude oil as do many chemical recovery processes. Because microbial growth occurs at exponential rates, it should be possible to produce large amounts of useful products quickly from inexpensive and renewable resource. Continued industrialization and economic growth will increase the demand for oil. The demand for crude oil often exceeds existing production in many countries. Conventional oil production technologies are able to recover only about one-third of the oil in the reservoir. Microbially enhanced oil recovery may offer an economic alternate oil recovery may after an economic alternate to enhance oil recovery. This seminar and presentation gives a brief idea on what is microbially enhanced oil recovery and the various processes involved.
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dipali@verma
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18-07-2009, 11:22 PM

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(31-01-2009, 12:24 AM)rumi Wrote: MICROBIAL ENHANCED OIL RECOVERY (MEOR)

Microbial consortia activity within an oil and gas reservoir is a potentially powerful biological system that can profoundly affect the entire reservoir. Certain species of microorganisms can be manipulated and controlled to release trapped oil in significant and economic quantities. Some microbial methods aid inn paraffin removal while others are designed to modify heavy oil. Still other micro-organisms produce chemicals, such as surfactants, polymers, or solvents that are useful in oil recovery processes, either in above ground facilities or in situ. Most of the methods are designed to treat single wells and not the entire fields. Several factors make microorganisms attractive for improved oil recovery. They are self-replicating and relatively inexpensive to produce. The nutrients required to sustain their growth are economically priced. Microorganisms produce many of the chemicals, such as gases, surfactants, acids, solvents and polymers involved in improving oil recovery. The general criteria for microbes to exist in the reservoir environment are: 1. Salinity should be less than 15% NaCl. 2. Temperature less than 1800F. 3. Depth less than 8000 ft. 4. Trace elements (As, Se, Ni, Hg) less than 10-15 ppm 5. Permeability greater than 50 md. 6. Oil gravity greater than 150 API. 7. Residual oil saturation greater than 25%. Microbial Enhanced Oil Recovery (MEOR) has several unique advantages that make it an economically attractive method to enhance oil recovery. MEOR processes do not consume large amounts of energy as do thermal processes and MEOR processes do not depend on the price of crude oil as do many chemical recovery processes. Because microbial growth occurs at exponential rates, it should be possible to produce large amounts of useful products quickly from inexpensive and renewable resource. Continued industrialization and economic growth will increase the demand for oil. The demand for crude oil often exceeds existing production in many countries. Conventional oil production technologies are able to recover only about one-third of the oil in the reservoir. Microbially enhanced oil recovery may offer an economic alternate oil recovery may after an economic alternate to enhance oil recovery. This seminar and presentation gives a brief idea on what is microbially enhanced oil recovery and the various processes involved.
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mechanical engineering crazy
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#3
28-07-2009, 04:27 PM

Read this link for more

en.wikipediawiki/Microbial_enhanced_oil_recovery
findarticlesp/articles/mi_m3159/is_10_227/ai_n16850405/
statoilen/TechnologyInnovation/OptimizingReservoirRecovery/RecoveryMethods/WaterAssistedMethodsImprovedOilRecoveryIOR/Pages/MicrobialEnhancedOilRecovery(MEOR).aspx
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#4
19-06-2010, 07:26 PM

Microbial enhanced oil recovery techniques
Microbial Enhanced Oil Recovery (MEOR) is a potentially inexpensive method. The other methods of oil recovery processes are only able to retrieve from 15 to 50% of the available oil in the reservoir. The the average well life can be extended by the utilization of this technology . This can also spare the increasing excessive lifting costs.This is also a an environmentally compatible method for the tertiary oil recovery. more effective microbial bacteria can be developed by the genetic engineering and they may subsist on inexpensive and abundant nutrients.

TERTIARY RECOVERY:
Primary recovery typically recovers 10 to 35% of a reservoir's oil-in-place.The Secondary recovery,increase the recovery by 20% or more. The Enhanced oil recovery (EOR), also called tertiary oil recovery, enables oil producers to extract as much as 30 to 60% . chemical flooding, miscible displacement and MEOR are the main tertiary oil recovery techniques used. microorganisms may contribute to EOR in six ways.
-microorganisms grow in reservoir rock pore throats and produce chemicals to recover trapped oil.
-biosurfactants and biopolymers are produced by them on the surface.
-high-permeability channels in reservoir rock can be selectively plugged by the microbes so that there is increased efficiency.
-biocracking: here the microbes metabolize carbon atoms from the interior of an alkane chain.
-biocompetitive exclusion: here an undesirable population is replaced by a desired one such as the as denitrifying bacteria.

for full details, refer this link:
findarticlesp/articles/mi_m3159/is_10_227/ai_n16850405/
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alisha sharma
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#5
21-12-2010, 07:38 PM

i m a btech chemical engineering final year student. [/code][/php]plz send me a project and implimentation report and presentation on the topic microbial enhanced oil recovery .
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#6
22-12-2010, 09:41 AM

we don't have a full report on MEOR. we'll upload it as soon as possible
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#7
31-08-2012, 02:03 PM

i want ppt on use of microbes in mineral benefaciance and oil recovery on prajapatiaadesh73gmail.com and all information about these topic pleASE HALP ME
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