A Comprehensive Review and Simulation-Based Assessment of Pressure Enhancement Techniques in Gas Reservoirs

Document Type : Review Article

Authors
1 Ph.D. student, Department of Petroleum and Geoenergy Engineering, Amirkabir University of Technology, Tehran, Iran
2 Research Institute of Petroleum Industry, Tehran, Iran
20.1001.1/jgt.2025.2069487.1060
Abstract
Natural Sustaining reservoir pressure is a major challenge in mature and tight gas fields, where productivity declines rapidly with depletion. This study presents a comprehensive evaluation and integrated decision-making framework for advanced pressure enhancement techniques, combining ECLIPSE-based reservoir simulations, regression and sensitivity analyses, and economic assessments. The research investigates hydraulic fracturing, matrix acidizing, gas lift, gas injection, and hybrid configurations, while also examining emerging innovations such as AI-assisted optimization, nanotechnology-enhanced stimulation, and carbon capture, utilization, and storage (CCUS).
Results indicate that hydraulic fracturing yields the highest production improvement (25–30%) in low-permeability reservoirs, while gas lift is most effective in liquid-loaded systems (15–20% gain). The hybrid fracturing + gas-lift configuration achieved the best overall ROI of 2.3–2.5, verified through sensitivity analysis under ±20% cost variation. Regression results (R² = 0.87) confirm that permeability and liquid accumulation are the dominant variables controlling enhancement efficiency.
The study introduces a novel, simulation-driven decision framework that integrates technical, economic, and sustainability metrics to guide the selection of optimal pressure enhancement strategies. This unified approach transforms traditional descriptive reviews into a quantitative, field-applicable tool, providing a pathway toward more efficient and environmentally responsible gas reservoir management.
Keywords
Subjects

Article Title Persian

مروری جامع و ارزیابی مبتنی بر شبیه‌سازی از روش‌های فشار افزایی در مخازن گازی

Authors Persian

یاسین خلیلی 1
سعید عباسی 2
1 دانشجوی دکترا، دانشکده مهندسی نفت و زمین انرژی، دانشگاه صنعتی امیرکبیر، تهران، ایران
2 پژوهشگاه صنعت نفت، تهران، ایران
Abstract Persian

حفظ فشار مخزن یکی از چالش‌های اصلی در میدان‌های گازی بالغ و کم‌تراوا است، جایی که بهره‌وری با کاهش فشار به‌سرعت افت می‌کند. این پژوهش یک ارزیابی جامع و چارچوب تصمیم‌گیری یکپارچه برای روش‌های پیشرفته افزایش فشار ارائه می‌دهد که ترکیبی از شبیه‌سازی‌های مخزنی مبتنی بر نرم‌افزار ‌ECLIPSE، تحلیل‌های رگرسیونی و حساسیت و ارزیابی‌های اقتصادی است.
در این تحقیق، روش‌هایی مانند شکاف‌زنی هیدرولیکی، اسیدکاری ماتریسی، گازلیفت، تزریق گاز و پیکربندی‌های ترکیبی مورد بررسی قرار گرفته‌اند. همچنین، نوآوری‌های نوظهوری مانند بهینه‌سازی مبتنی بر هوش مصنوعی ‌(AI)، تحریک به کمک نانوفناوری و فناوری جذب، استفاده و ذخیره‌سازی کربن (CCUS) تحلیل شده‌اند.
نتایج نشان می‌دهد که شکاف‌زنی هیدرولیکی در مخازن با تراوایی پایین بیشترین افزایش تولید (حدود ۲۵ تا ۳۰ درصد) را ایجاد می‌کند، در حالی‌که گازلیفت در سیستم‌های دارای بار مایع بیشترین کارایی را داشته و منجر به افزایش ۱۵ تا ۲۰ درصدی تولید می‌شود. پیکربندی ترکیبی شکاف‌زنی-فرازآوری با گاز بهترین عملکرد اقتصادی را با نرخ بازده سرمایه (ROI) بین ۲/۳ تا ۲/۵ ارائه داده است که از طریق تحلیل حساسیت با تغییرات ۲۰± درصد در هزینه‌ها تأیید شده است. نتایج رگرسیونی با ضریب تعیین R² = ۰/۸۷ نشان می‌دهد که تراوایی و تجمع مایع از مهم‌ترین متغیرهای مؤثر بر کارایی افزایش فشار هستند.
این مطالعه یک چارچوب تصمیم‌گیری نوین مبتنی بر شبیه‌سازی معرفی می‌کند که شاخص‌های فنی، اقتصادی و پایداری محیطی را در انتخاب بهترین راهکار افزایش فشار یکپارچه می‌سازد. این رویکرد یکپارچه، بررسی‌های توصیفی سنتی را به یک ابزار کمی و کاربردی در میدان تبدیل کرده و مسیر جدیدی را برای مدیریت کارآمدتر و پایدارتر مخازن گازی فراهم می‌آورد.

Keywords Persian

فشارافزایی مخازن گازی
بهبود بهره‌وری
مدیریت پایدار مخزن
بهینه سازی تولید گاز
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