Abstarct: Acidizing is a well stimulation method used to enhance the flow of oil or gas from underground reservoirs. However, the acidic environment can cause corrosion of steel. To protect the steel, corrosion inhibitors and H2S scavengers are added to the acid solution. In the present study, the performance of a corrosion inhibitor and H2S scavenger in a 15% acidic environment was investigated. Additionally, the side effects of other additives, such as surfactants, iron control agents, and anti-sludge agents, were examined. The optimal concentration of the H2S scavenger required for neutralizing H2S was determined to be 2 mL. The effects of ionic (anionic and cationic) and non-ionic surfactants on the performance of the H2S scavenger were evaluated. Surfactants can enhance the removal of hydrogen sulfide by promoting uniform distribution of the scavenger. Among them, the cationic surfactant CTAB showed the most significant positive impact on the H2S scavenger’s efficiency, achieving 86%. The influence of iron control and anti-sludge agents on the H2S scavenger revealed that EDTA and DDBSA had the highest positive effects, with efficiencies of 93% and 90%, respectively. In corrosion inhibition experiments, the impact of surfactants on the inhibitor’s performance was investigated. The non-ionic surfactant TX-100 exhibited the most favorable effect on the corrosion inhibitor. Furthermore, among iron control and anti-sludge agents, EDTA and DOSS demonstrated the highest positive influence on corrosion inhibition.