ADDITIVE AND METHOD FOR SUPPRESSION OF SULFHYDRIC ACID IN A DRILLING FLUID BY ADDITION OF ORGANOZINCIC CHELATE

摘要

The invention relates to the suppression of hydrogen sulfide in drilling fluids used in oil wells. BR/ Fluids used to drill, supplement, maintain and repair wells to remove contaminating sulfhydric acid or to inactivate it by the addition of at least one organozinc chelate. BR/ The invention makes it possible in particular to avoid corrosion of the steel elements and contamination of the environment of the underground wells. / P