Large volumes of “contaminated” oil and gas exist worldwide and, as conventional resources are consumed, these resources will play an greater role in the supply of future gas.
Production of sour reservoirs comes with specific dangers when the fluids are brought to surface.
Hydrogen sulphide has already caused many fatalities in the oil and gas industry.
The gas is highly toxic and at concentrations more than 1000 parts per million the effects can be instantaneous — immediate knock-down and rapid death.
