Server maintenance is scheduled for Saturday, December 21st between 6am-10am CST.

During that time, parts of our website will be affected until maintenance is completed. Thank you for your patience.

Menu
Search
Filters
Close
Menu

Use GIVING24 at checkout to save 20% on eCourses and books (some exclusions apply)!

51317--9551-Identification of Compounds that Effectively Block Microbial H2S Production

Picture for Identification of Compounds that Effectively Block Microbial H2S Production
Available for download

We have identified a class of inhibitory molecules that abrogate sulfidogenesis in oilfield produced fluids. Bottle tests and laboratory-scale bioreactors to mimic field conditions, found that very low doses of two versions of this class of compounds were found to effectively prevent H2S generation.

 

Product Number: 51317--9551-SG
ISBN: 9551 2017 CP
Author: Brett Geissler
Publication Date: 2017
Industry: Chemical Inhibitors
$0.00
$20.00
$20.00

Microbial reduction of sulfur compounds is a concern in many industries due to the toxicity and corrosivity of the chief metabolic waste product hydrogen sulfide (H2S). In the oil and gas industry production of H2S by microbes within the petroleum reservoir is extremely detrimental to production and often leads to complete shut-in of wells and entire assets due to these concerns. Hundreds of different genera of bacteria and archaea are capable of generating H2S from an array of sulfur-containing compounds although the key enzymes involved are relatively well conserved. We have identified a class of inhibitory molecules that abrogate sulfidogenesis by numerous diverse microbial populations found within oilfield produced fluids. Using bottle tests and laboratory-scale bioreactors designed to more closely mimic field conditions very low doses of two different versions of this class of compounds were found to effectively prevent H2S generation and decrease the number of sulfide-producing microbes from the population. By decreasing the amount of H2S generated these compounds are able to decrease the levels of microbiologically influenced corrosion normally associated with sulfidogenic populations of microbes.

Key words: Hydrogen sulfide, H2S, bacteria, inhibitor, MIC, reservoir souring

Microbial reduction of sulfur compounds is a concern in many industries due to the toxicity and corrosivity of the chief metabolic waste product hydrogen sulfide (H2S). In the oil and gas industry production of H2S by microbes within the petroleum reservoir is extremely detrimental to production and often leads to complete shut-in of wells and entire assets due to these concerns. Hundreds of different genera of bacteria and archaea are capable of generating H2S from an array of sulfur-containing compounds although the key enzymes involved are relatively well conserved. We have identified a class of inhibitory molecules that abrogate sulfidogenesis by numerous diverse microbial populations found within oilfield produced fluids. Using bottle tests and laboratory-scale bioreactors designed to more closely mimic field conditions very low doses of two different versions of this class of compounds were found to effectively prevent H2S generation and decrease the number of sulfide-producing microbes from the population. By decreasing the amount of H2S generated these compounds are able to decrease the levels of microbiologically influenced corrosion normally associated with sulfidogenic populations of microbes.

Key words: Hydrogen sulfide, H2S, bacteria, inhibitor, MIC, reservoir souring

Product tags
Also Purchased
Picture for Development of Application Friendly Products for Wet Gas Corrosion Inhibition
Available for download

51317--9519-Development of Application Friendly Products for Wet Gas Corrosion Inhibition

Product Number: 51317--9519-SG
ISBN: 9519 2017 CP
Author: Jeffery Clark
Publication Date: 2017
$20.00

An operator in North America discovered an internal corrosion failure in a wet gas system directly below the point of injection of a water-soluble corrosion inhibitor (CI). Tests using low shear rotating cage autoclaves and a dual autoclave system were performed as a corrosion screening method.
Picture for Reinforced Concrete Corrosion Damage Forecast with Potential Dependent Threshold: Sensitivity to Sys
Available for download

51317--9531-Reinforced Concrete Corrosion Damage Forecast with Potential Dependent Threshold: Sensitivity to System Parameters

Product Number: 51317--9531-SG
ISBN: 9531 2017 CP
Author: Andrea Sanchez
Publication Date: 2017
$20.00

The phenomenon of a potential-dependent chloride threshold (PDT) along with the corrosion macrocell coupling between active and passive steel assembly components allows to combine a corrosion initiation-propagation model to forecast the durability of reinforced concrete structures in marine service.
Picture for Chloride Stress Cracking of an Austenitic Stainless Steel Pipe Fitting in a Hydroprocessing Unit
Available for download

51317--9518-Chloride Stress Cracking of an Austenitic Stainless Steel Pipe Fitting in a Hydroprocessing Unit

Product Number: 51317--9518-SG
ISBN: 9518 2017 CP
Author: Hayrik Allahverdian
Publication Date: 2017
$20.00

Case study: Cracking occurred in a (UNS S32100) type austenitic stainless steel nozzle fitting at a low point in the reactor effluent piping in a Gasoil Hydrotreater unit following start up. Normal preventive measures had been taken.  The failed sample was removed for metallurgical analysis and determination of mechanism(s).
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support