Literature review around 1000 words All information from journal/ book only Harvard references No Plagiarism Literature review on the following: Introduction: Corrosion Sulphide Scaling On Carbon Steel in Oil and Gas Industry Hydrogen gas: origin, effect on the environment History of oil and gas filed corrosion by hydrogen sulphide: Surface sulphied scale formation and corrosion process related Top of line corrosion Pitting formation: Under deposit corrosion Kinetics and thermodynamics study Kinetics and electrochemistry Thermodynamic, species, chemistry and crystal structures Protection and evaluation Methods of production Corrosion assessment methods-inline/offline Current status