مروری بر تزریق گازهای اسیدی در سازندهای زمین‌شناسی با هدف ازدیاد برداشت و حفاظت از محیط زیست: مبانی تئوری

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه مهندسی نفت، دانشکده نفت اهواز، دانشگاه صنعت نفت، ایران

چکیده

فرآیندهای شیمیایی بازیافت گوگرد از گاز اسیدی دیگر چندان اقتصادی نیستند و افزون بر مشکلات عملیاتی مختلف، مقادیر زیادی کربن دی اکسید نیز طی این فرآیندها به هواکره تخلیه می‌گردد. گزینه‏ی جایگزین، فشرده‌سازی و تزریق گاز اسیدی در سازندهای زمین‌شناسی با هدف ازدیاد برداشت و یا ذخیره‌سازی به‌منظور حفاظت از محیط‌زیست است. در این نوشتار مروری، پس از ارائه تعاریف اولیه در زمینه مطالعاتی گاز اسیدی، به معرفی و مقایسه روش‌های پاک‌سازی جریان گاز ترش تولیدی از گاز اسیدی و بیان برجسته‌ترین دشواری‌های عملیاتی فرآیندهای شیرین‌سازی گاز ترش پرداخته‌ایم. با تکمیل فرآیند شیرین‌سازی، جریان مشکل‌ساز گاز اسیدی تولید می‌شود، که در ادامه سعی شده است با پرداختن به مبانی تئوری، دامنه کاربرد، هزینه و چالش‌های عملیاتی-اقتصادی روش‌های مختلف بازیافت گوگرد؛ چرایی و اهمیت پرداختن به مبحث تزریق گاز اسیدی در سازندهای زمین‌شناسی به لحاظ فنی و اقتصادی تبیین گردد. اصول فرآیند تزریق گاز اسیدی به سازندهای زمین شناسی، معیارهای انتخاب یک سازند مناسب جهت تزریق و سازوکار‌های ذخیره‌سازی گاز اسیدی نیز به تفصیل ارائه و بحث گردیده‌اند..
 

کلیدواژه‌ها


عنوان مقاله [English]

A Review on Acid Gas Injection into Geological Formations with the Aim of Enhanced Oil Recovery and Environmental Protection: Theoretical Foundations

نویسندگان [English]

  • Sayed Mohammadreza Mirforughy
  • Shahin Kord
  • Jamshid Moghadasi
Petroleum Engineering Department, Ahwaz Faculty of Petroleum, Petroleum University of Technology, Iran
چکیده [English]

Nowadays, sulfur recovery processes tend to be no longer economic, as well as having various operational problems. They also discharge large amounts of CO2 into the atmosphere. The alternative is to compress and inject acid gas into geological formations with the purpose of enhanced oil recovery and acid gas sequestration for environmental protection. In this review article, after providing the initial definitions in acid gas studies, sour gas sweetening methods and their most prominent operational difficulties have been introduced and compared with each other by us. By completing the sour gas sweetening process, a problematic flow of acid gas is produced. Next, we address the theoretical foundations, the application scope, cost, and operational-economic challenges of different sulfur recovery methods in a try to explain the importance of exhausting the issue of acid gas injection in geological formations from a technical and economic point of view. We also present and discuss the principles of acid gas injection into geological formations, the criteria for selecting a suitable formation for injection, and the trapping mechanisms of acid gas.
 پ

کلیدواژه‌ها [English]

  • Acid gas injection
  • Trapping mechanisms
  • Sour gas sweetening
  • Sulfur Recovery
  • Operational/Economic Challenges
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