Abstract
Gravimetric methods were initially employed to examine the influence of inhibitor IB-1 on the corrosion rate of steel in formation water with oil, which contained hydrogen sulfide, carbon dioxide, and a combination of both. In order to assess the effectiveness of inhibitor IB-1, laboratory tests were conducted using samples of steel of grade St3. Corrosion experiments were conducted within sealed containers with a volume of 0.5 liters, using samples sized 30201 mm. The effectiveness of the IB-1 inhibitor in formation water with oil, containing hydrogen sulfide, carbon dioxide, and a simultaneous presence of hydrogen sulfide and carbon dioxide, exhibited a variation within the ranges of 88.3% to 98.0%, 72.4% to 92.7%, and 60.22% to 94.83%, respectively. The laboratory investigations allowed for the determination of the optimal concentration of inhibitor IB-1 to inhibit the growth of sulfate-reducing bacteria and protect steel of grade St3 from corrosion induced by hydrogen sulfide, carbon dioxide, and the concurrent presence of hydrogen sulfide and carbon dioxide.
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