Fast, feasible and safe method for evaluation of H2S Scavenger performance in acidizing laboratory
محل انتشار: اولین همایش ملی نفت و گاز ایران
سال انتشار: 1392
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,618
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شناسه ملی سند علمی:
NIPC01_112
تاریخ نمایه سازی: 28 فروردین 1393
چکیده مقاله:
Hydrogen sulfide (H2S) is hazardous and toxic gas that leads to worker fatality. Nonetheless, hydrogen sulfide can also impair the formation permeability by creating precipitations that plug the pore throats.Therefore, removal of hydrogen sulfide content from formation or flow back fluids had become anecessity. Many research have been conducted to investigate techniques that can reduce hydrogen sulfide in wellbore or prevent of producing it, and one of these techniques is using hydrogen sulfide scavengers.In this paper have tried to discuss about scavengers in acid stimulation treatment and extend anexperimentally method to evaluate their performance. A simple, fast procedure was developed to evaluatehydrogen sulfide scavenger performance. Iron sulfide and Hydrochloric acid 10% was used to producehydrogen sulfide. The gas was transferred through the acid solution and the performance of the solution toscavenging the gas was evaluated due to the measurement of Cadmiun sulfate precipitation in next flask.Effect different parameters were investigated on the hydrogen sulfide capturing performance. The results show that a little change in temperature, pH and concentration of additives have significant effect on hydrogen sulfide capturing.
کلیدواژه ها:
نویسندگان
Ali Beitsaeed
M.Sc in Organic Chemistry, Shahid Chamran University (Stimulation Engineer
Esmail Bahrami
M.Sc in Chemical Engineering, Zahedan University (Cementing Engineer
Mohammad Vaziri
M.Sc in Petroleom engineering, Sharif University (Stimulation Engineer