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Flow velocity firewater system9/21/2023 ![]() ![]() ![]() Thus, for a carbon dioxide–containing gas well, the tubing diameter selection and production rate control should be prudent in particular. Carbon dioxide corrosion products are loose and easier to scour. In particular, when the well contains carbon dioxide, hydrogen sulfide, and formation brine, the initial corrosion product film is continuously scoured and cannot take protection effect. 1.Įrosion and corrosion problem of in-tubing gas flow velocity higher than erosion flow velocity a.įlow aggravated tubing erosion and corrosion. Flow velocity restriction is related to the following factors: (1) partial pressures, contents, and proportions of carbon dioxide gas and hydrogen sulfide gas (2) water cut (3) chlorion content (4) gas-oil ratios of a condensate gas reservoir in various production periods (5) temperature distribution and (6) having or not having elemental sulfur precipitation and reservoir sand production, and so on. ![]()
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