Safety

  • Safety for people and for the community is a very important consideration when dealing with crude oil or natural gas with large amounts of H2S
  • H2S is especially dangerous because it deadens the sense of smell
  • Hydrocarbons containing even a few ppm of H2S can produce headspace concentrations of 50 to 100 fold of these levels
  • Mixtures of hydrogen sulfide and air with concentrations of 4.3 to 46% are explosive

Environmental protection and regulation

  • Environmental impact such as odor and emissions control must be addressed
  • Often federal or local low threshold levels have to be met

Maintenance of installations and equipment

  • H2S can have a significant effect on corrosion. E.g. storage tanks containing hydrogen sulfide in higher concentrations are very susceptible to hydrogen sulfide induced corrosion

Quality issues

  • Contamination of hydrocarbon products with H2S can cause oil & gas quality to be out of specification by exceeding threshold levels for H2S or formation of unacceptable byproducts

 

Minimise oilfield related risks

Minimise oilfield related risks

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